Solution Description

 

Basic Functions of Entity Bushed Needle Roller Bearing
Kinds NA49… collection (with Interior Ring)
RNA49… collection (without having Interior Ring)
NA69… sequence (with Interior Ring)
RNA69… sequence (without having Inner Ring)
NKIS… series (with Inner Ring)
NKS… collection (with out Inner Ring)
NKI… collection (with Internal Ring)
NK… sequence (without Internal Ring)
NAO… series (without Ribs)
RNAO… series (without having Ribs)
NA49…2RS series (with Seals)
RNA49…2RS collection (with Seals)
NAV40… series (without Cage)
RNAV40… sequence (with out Cage)
NAV49… collection (with no Cage)
RNAV49… series (without having Cage)
Substance Bearing Metal(GCr15, 100Cr6)
SPCC St14
Nylon
Dimension Metric and Inch
Dimension Variety 5mm~200mm(bore diameter)
MOQ 1
Shipping and delivery Time 15-45 times
Sea Ports ZheJiang HangZhou HangZhou

Why Pick HECTO?
1. Far more than 20 several years of production and exporting encounters
two. an ISO/TS16949 firm
three. one hundred% inspecting of products
four. A lot more competitive prices with far better top quality
five. More than ninety nine% of supply in time
6. Rapid response of your emails and inquiries
seven. Items can be traced back

 
 
 
 

Entity Bushed Needle Roller Bearing

Shaft Bearing No. Weight  Dimensions Basic Load Score(KN) Limiting Pace
(mm) (g) d F D B r(min.) Cr Cor RPM
10 NKI 10/16 29 10 fourteen 22 16 .three 11 12.5 19000
  NKI 10/twenty 37 10 14 22 twenty .3 12.eight 15.six 19000
12 NKI twelve/sixteen 33 12 16 24 sixteen .3 eleven.5 13.8 17000
  NKI twelve/20 forty one twelve sixteen 24 twenty .three fourteen.6 eighteen.eight 17000
15 NKI fifteen/sixteen 39 fifteen 19 27 sixteen .3 13.8 eighteen.five 14000
  NKI 15/twenty forty nine fifteen 19 27 20 .3 seventeen.six 25.1 14000
seventeen NKI 17/16 42 17 21 29 16 .three fourteen.3 19.eight 13000
  NKI seventeen/20 53 17 21 29 20 .3 eighteen.1 26.9 13000
twenty NKI twenty/16 49 twenty 24 32 16 .3 15.1 22.three 12000
  NKI twenty/20 sixty one 20 24 32 twenty .three 19.three thirty.three 12000
22 NKI 22/16 52 22 26 34 16 .3 sixteen.one 24.seven 11000
  NKI 22/20 sixty five 22 26 34 20 .3 twenty.4 33.five 11000
25 NKI 25/twenty seventy nine 25 29 38 20 .3 22.one 33.nine 10000
  NKI twenty five/30 124 twenty five 29 38 thirty .three 33.five fifty seven.nine 9500
28 NKI 28/twenty ninety six 28 32 42 twenty .three 23.five 37.seven 9000
  NKI 28/30 146 28 32 42 30 .3 35.six 64.3 9000
thirty NKI thirty/twenty 112 thirty 35 45 20 .3 24.8 forty one.4 8500
  NKI thirty/30 one hundred seventy thirty 35 forty five thirty .3 37.5 70.6 8000
32 NKI 32/twenty 118 32 37 forty seven twenty .3 twenty five.3 forty three.3 8000
  NKI 32/30 one hundred eighty 32 37 forty seven 30 .3 38.three 73.9 8000
35 NKI 35/twenty 127 35 forty 50 twenty .three 26.four forty seven.1 7500
  NKI 35/30 193 35 40 fifty 30 .three forty three.eight eighty.two 7500
38 NKI 38/20 136 38 forty three fifty three twenty .three 27.5 fifty.8 7000
  NKI 38/30 207 38 forty three 53 30 .3 41.6 86.6 7000
forty NKI forty/twenty 142 40 45 55 twenty .3 28 fifty two.seven 7000
  NKI 40/30 216 40 45 55 thirty .3 42.four 89.8 6500
forty two NKI 42/twenty 148 42 47 fifty seven twenty .three 29.2 fifty six.4 6500
  NKI forty two/30 222 forty two 47 fifty seven thirty .three 44.two 96.one 6500
45 NKI 45/25 229 45 50 62 twenty five .3 40.five seventy nine.4 6500
  NKI 45/35 322 45 50 sixty two 35 .six 55.nine 119.five 6500
50 NKI 50/25 270 fifty fifty five 68 25 .six 43.seven eighty one.7 6000
  NKI fifty/35 379 50 55 sixty eight 35 .6 61.eight 127.7 6000
fifty five NKI fifty five/twenty five 272 fifty five sixty 72 twenty five .6 43.one ninety.seven 5500
  NKI fifty five/35 379 55 sixty seventy two 35 .6 sixty.nine 141.6 5500
sixty NKI sixty/twenty five 394 sixty sixty eight 82 twenty five .6 48.6 100.six 4900
  NKI 60/35 553 60 sixty eight eighty two 35 .six 68.8 157.1 4800
sixty five NKI sixty five/twenty five 467 sixty five 73 ninety twenty five one fifty four.2 one hundred.8 4600
  NKI sixty five/35 659 65 73 90 35 1 79.four 164.7 4400
70 NKI 70/25 521 70 eighty 95 twenty five 1 fifty four.7 113.4 4100
  NKI 70/35 737 70 eighty ninety five 35 1 78.6 181 4000
seventy five NKI 75/twenty five 641 seventy five 85 one zero five twenty five one seventy one.7 126.5 3900
  NKI 75/35 908 75 85 one hundred and five 35 one 102.8 200.eight 3800
80 NKI eighty/25 677 eighty ninety 110 twenty five 1 seventy four.9 136 3700
  NKI 80/35 959 eighty 90 110 35 one 107.3 216 3600
eighty five NKI 85/26 743 85 ninety five one hundred fifteen 26 one seventy nine.5 149.4 3600
  NKI eighty five/36 1040 85 95 one hundred fifteen 36 1 112 232.four 3400
ninety NKI 90/26 778 90 one hundred 120 26 one 82.three 159.5 3500
  NKI 90/36 1090 90 one hundred 120 36 1 116 248 3300
95 NKI 95/26 816 ninety five 105 a hundred twenty five 26 one 83.6 164.eight 3300
  NKI 95/36 1145 ninety five 105 125 36 one 117.nine 256.4 3200
a hundred NKI 100/30 990 a hundred 110 130 thirty one.1 a hundred.nine 213.nine 3100
  NKI one hundred/forty 1330 one hundred a hundred and ten 130 40 one.1 128.4 311 3000

 

Shaft Bearing No. Weight  Dimensions Basic Load Ranking(KN) Restricting Speed
(mm) (g) Fw D C r(min.)  Cr Cor RPM
five NK 5/10TN three.1 five ten ten .fifteen two.5 two 37000
  NK 5/12TN 3.seven 5 ten twelve .fifteen 3.05 two.99 37000
six NK 6/10TN 4.7 6 twelve ten .fifteen two.33 2.two 33000
  NK 6/12TN 5.seven 6 12 twelve .15 three.three three.45 33000
seven NK 7/10TN six.nine seven 14 10 .3 three.33 3.fifteen 31000
  NK 7/12TN eight.2 seven fourteen twelve .3 4.19 4.24 31000
eight NK 8/12TN eight.7 eight 15 12 .three 4.1 four.three 29000
  NK 8/16TN twelve 8 15 sixteen .3 4.9 five.four 29000
nine NK 9/12TN ten.three 9 sixteen 12 .three four.75 5.three 28000
10 NK 10/twelve ten ten 17 twelve .three five.01 5.eighty two 27000
  NK 10/sixteen thirteen ten 17 16 .3 six.51 8.twelve 27000
12 NK 12/twelve twelve twelve 19 12 .3 6.four seven.one 25000
  NK twelve/16 sixteen twelve 19 sixteen .3 9.one 11 25000
fourteen NK fourteen/sixteen fourteen fourteen 22 sixteen .3 eleven 12.5 23000
  NK 14/twenty eighteen 14 22 twenty .3 thirteen.9 seventeen 23000
15 NK 15/16 22 15 23 sixteen .3 10.9 12.7 20000
  NK fifteen/twenty 27 fifteen 23 twenty .three 13.8 17.2 20000
sixteen NK sixteen/16 22 sixteen 24 sixteen .three 11.three thirteen.8 19000
  NK 16/20 28 sixteen 24 20 .three 14.six 18.8 19000
seventeen NK 17/sixteen 24 seventeen 25 16 .3 12.one 15 18000
  NK 17/20 thirty 17 25 twenty .three 14.4 twenty.four 17000
18 NK eighteen/sixteen 25 18 26 sixteen .three twelve.7 sixteen.2 17000
  NK eighteen/twenty 31 18 26 twenty .three sixteen.one 22 17000
19 NK 19/sixteen 26 19 27 sixteen .three 13.8 18.5 16000
  NK 19/20 32 19 27 twenty .three seventeen.6 twenty five.1 16000
twenty NK 20/16 27 twenty 28 16 .three thirteen.eight eighteen.six 15000
  NK twenty/20 34 twenty 28 twenty .three 17.4 twenty five.2 15000
21 NK 21/16 29 21 29 sixteen .three fourteen.3 19.8 14000
  NK 21/twenty 36 21 29 20 .three 18.one 26.nine 14000
22 NK 22/16 30 22 30 16 .three fourteen.seven 21 14000
  NK 22/20 37 22 30 20 .3 18.seven 28.five 14000
24 NK 24/sixteen 32 24 32 16 .3 15.one 22.three 13000
  NK 24/twenty forty 24 32 20 .three 19.3 thirty.3 13000
twenty five NK 25/16 32 25 33 sixteen .three fifteen.6 23.5 12000
  NK twenty five/twenty forty two twenty five 33 twenty .3 19.8 31.nine 12000
26 NK 26/16 34 26 34 sixteen .3 sixteen.1 24.seven 12000
  NK 26/20 forty two 26 34 20 .3 20.four 33.five 12000
28 NK 28/20 fifty two 28 37 twenty .3 22.3 33.8 11000
  NK 28/thirty 82 28 37 30 .three 33.7 fifty seven.7 11000
29 NK 29/twenty fifty four 29 38 twenty .3 22.1 33.nine ten thousand
  NK 29/thirty 84 29 38 30 .3 33.five fifty seven.nine ten thousand
thirty NK thirty/20 sixty five 30 forty twenty .3 33.5 57.nine ten thousand
  NK thirty/thirty ninety eight 30 forty 30 .3 34.seven sixty one 10000
32 NK 32/20 sixty eight 32 forty two 20 .three 23.5 37.seven ten thousand
  NK 32/thirty 102 32 42 thirty .3 35.six 64.3 9500
35 NK 35/20 74 35 forty five 20 .three 24.eight 41.four 9000
  NK 35/thirty 112 35 forty five 30 .three 37.5 70.six 9000
37 NK 37/20 77 37 forty seven twenty .three 25.three forty three.3 8500
  NK 37/thirty 113 37 47 thirty .3 38.three seventy three.nine 8500
38 NK 38/20 79 38 forty eight 20 .3 25.nine 45.1 8500
  NK 38/thirty 116 38 forty eight 30 .three 39.two seventy seven 8000
forty NK 40/20 eighty three forty fifty twenty .3 26.4 forty seven.1 8000
  NK 40/thirty one hundred twenty five 40 50 30 .three 43.8 80.two 8000
forty two NK 42/20 eighty five 42 fifty two 20 .3 26.8 forty nine 8000
  NK 42/30 127 forty two fifty two 30 .3 forty.seven eighty three.5 8000
43 NK forty three/20 87 forty three 53 20 .3 27.5 fifty.eight 8000
  NK 43/thirty a hundred thirty forty three fifty three thirty .3 forty one.6 86.6 8000
45 NK forty five/twenty 91 forty five 55 20 .three 28 52.7 7500
  NK forty five/thirty 139 45 fifty five thirty .3 forty two.4 89.eight 7000
47 NK 47/20 ninety five 47 fifty seven twenty .3 29.two fifty six.4 7500
  NK 47/30 a hundred and forty four 47 fifty seven thirty .three forty four.two 96.one 7000
50 NK 50/twenty five 158 fifty 62 25 .six forty.6 79.4 6500
  NK 50/35 221 50 62 35 .6 55.9 119.five 6500
fifty five NK fifty five/twenty five 180 fifty five 68 twenty five .six 43.7 eighty one.7 6000
  NK fifty five/35 250 fifty five sixty eight 35 .six 61.8 127.seven 6000
sixty NK 60/twenty five 185 sixty seventy two twenty five .6 forty three.one 90.seven 5500
  NK 60/35 258 60 72 35 .6 60.nine 141.6 5500
65 NK sixty five/25 221 sixty five seventy eight 25 .six forty seven 94.four 5500
  NK sixty five/35 310 65 78 35 .6 sixty six.five 147.5 5500
sixty eight NK sixty eight/25 227 sixty eight eighty two 25 .6 forty eight.six a hundred.six 5500
  NK sixty eight/35 316 68 82 35 .six 68.eight 157.1 5500
70 NK 70/25 260 70 eighty five twenty five .six 50.1 96.seven 5000
  NK 70/35 370 70 85 35 .six 72.one 154.5 5000
seventy three NK seventy three/twenty five 293 73 90 25 1 54.two one hundred.8 4800
  NK 73/35 403 seventy three ninety 35 one seventy nine.4 164.7 4600
seventy five NK seventy five/twenty five 315 75 92 25 one 55.3 104.3 4800
  NK 75/35 445 75 ninety two 35 1 eighty.nine 170.three 4600
eighty NK 80/twenty five 301 eighty ninety five 25 one 54.seven 113.4 4400
  NK eighty/35 425 eighty ninety five 35 1 seventy eight.six 181 4300
eighty five NK 85/25 425 85 a hundred and five twenty five one 71.seven 126.five 4200
  NK eighty five/35 600 eighty five one zero five 35 one 102.eight 200.eight 4000
ninety NK ninety/25 450 90 a hundred and ten 25 1 74.9 136 4000
  NK ninety/35 630 90 one hundred ten 35 one 107.3 216 3800
95 NK 95/26 490 ninety five 115 26 one seventy nine.5 149.four 3900
  NK ninety five/36 680 95 one hundred fifteen 36 one 112 232.four 3700
100 NK one hundred/26 515 100 one hundred twenty 26 one eighty two.three 159.5 3700
  NK one hundred/36 715 a hundred one hundred twenty 36 one 116 248 3500
105 NK one hundred and five/26 557 one hundred and five one hundred twenty five 26 one eighty three.six 164.eight 3700
  NK 105/36 769 105 a hundred twenty five 36 1 117.9 256.four 3500
a hundred and ten NK one hundred ten/30 650 one hundred ten one hundred thirty thirty 1.one a hundred.nine 213.9 3300
  NK one hundred ten/forty 830 110 a hundred thirty 40 1.one 128.4 311 3100

US $0.01
/ Set
|
1 Set

(Min. Order)

###

Cage: With Cage
Rows Number: Single
Load Direction: Radial Bearing
Style: Without Outer Ring, With Outer Ring, Without Inner Ring, With Inner Ring
Material: Bearing Steel
Type: Closed

###

Samples:
US$ 0/Set
1 Set(Min.Order)

|
Request Sample

###

Customization:

###

Basic Features of Entity Bushed Needle Roller Bearing
Types NA49… series (with Inner Ring)
RNA49… series (without Inner Ring)
NA69… series (with Inner Ring)
RNA69… series (without Inner Ring)
NKIS… series (with Inner Ring)
NKS… series (without Inner Ring)
NKI… series (with Inner Ring)
NK… series (without Inner Ring)
NAO… series (without Ribs)
RNAO… series (without Ribs)
NA49…2RS series (with Seals)
RNA49…2RS series (with Seals)
NAV40… series (without Cage)
RNAV40… series (without Cage)
NAV49… series (without Cage)
RNAV49… series (without Cage)
Material Bearing Steel(GCr15, 100Cr6)
SPCC St14
Nylon
Dimension Metric and Inch
Dimension Range 5mm~200mm(bore diameter)
MOQ 1
Delivery Time 15-45 days
Sea Ports Shanghai Ningbo Qingdao

###

Metric Inch Needle Roller Bearing with Machined Outer Ring and Inner Ring Custom  
  Metric Inch Needle Roller Bearing with Machined Outer Ring and Inner Ring Custom
Metric Inch Needle Roller Bearing with Machined Outer Ring and Inner Ring Custom  
  Metric Inch Needle Roller Bearing with Machined Outer Ring and Inner Ring Custom

###

Shaft Bearing No. Weight  Dimensions Basic Load Rating(KN) Limiting Speed
(mm) (g) d F D B r(min.) Cr Cor RPM
10 NKI 10/16 29 10 14 22 16 0.3 11 12.5 19000
  NKI 10/20 37 10 14 22 20 0.3 12.8 15.6 19000
12 NKI 12/16 33 12 16 24 16 0.3 11.5 13.8 17000
  NKI 12/20 41 12 16 24 20 0.3 14.6 18.8 17000
15 NKI 15/16 39 15 19 27 16 0.3 13.8 18.5 14000
  NKI 15/20 49 15 19 27 20 0.3 17.6 25.1 14000
17 NKI 17/16 42 17 21 29 16 0.3 14.3 19.8 13000
  NKI 17/20 53 17 21 29 20 0.3 18.1 26.9 13000
20 NKI 20/16 49 20 24 32 16 0.3 15.1 22.3 12000
  NKI 20/20 61 20 24 32 20 0.3 19.3 30.3 12000
22 NKI 22/16 52 22 26 34 16 0.3 16.1 24.7 11000
  NKI 22/20 65 22 26 34 20 0.3 20.4 33.5 11000
25 NKI 25/20 79 25 29 38 20 0.3 22.1 33.9 10000
  NKI 25/30 124 25 29 38 30 0.3 33.5 57.9 9500
28 NKI 28/20 96 28 32 42 20 0.3 23.5 37.7 9000
  NKI 28/30 146 28 32 42 30 0.3 35.6 64.3 9000
30 NKI 30/20 112 30 35 45 20 0.3 24.8 41.4 8500
  NKI 30/30 170 30 35 45 30 0.3 37.5 70.6 8000
32 NKI 32/20 118 32 37 47 20 0.3 25.3 43.3 8000
  NKI 32/30 180 32 37 47 30 0.3 38.3 73.9 8000
35 NKI 35/20 127 35 40 50 20 0.3 26.4 47.1 7500
  NKI 35/30 193 35 40 50 30 0.3 43.8 80.2 7500
38 NKI 38/20 136 38 43 53 20 0.3 27.5 50.8 7000
  NKI 38/30 207 38 43 53 30 0.3 41.6 86.6 7000
40 NKI 40/20 142 40 45 55 20 0.3 28 52.7 7000
  NKI 40/30 216 40 45 55 30 0.3 42.4 89.8 6500
42 NKI 42/20 148 42 47 57 20 0.3 29.2 56.4 6500
  NKI 42/30 222 42 47 57 30 0.3 44.2 96.1 6500
45 NKI 45/25 229 45 50 62 25 0.3 40.5 79.4 6500
  NKI 45/35 322 45 50 62 35 0.6 55.9 119.5 6500
50 NKI 50/25 270 50 55 68 25 0.6 43.7 81.7 6000
  NKI 50/35 379 50 55 68 35 0.6 61.8 127.7 6000
55 NKI 55/25 272 55 60 72 25 0.6 43.1 90.7 5500
  NKI 55/35 379 55 60 72 35 0.6 60.9 141.6 5500
60 NKI 60/25 394 60 68 82 25 0.6 48.6 100.6 4900
  NKI 60/35 553 60 68 82 35 0.6 68.8 157.1 4800
65 NKI 65/25 467 65 73 90 25 1 54.2 100.8 4600
  NKI 65/35 659 65 73 90 35 1 79.4 164.7 4400
70 NKI 70/25 521 70 80 95 25 1 54.7 113.4 4100
  NKI 70/35 737 70 80 95 35 1 78.6 181 4000
75 NKI 75/25 641 75 85 105 25 1 71.7 126.5 3900
  NKI 75/35 908 75 85 105 35 1 102.8 200.8 3800
80 NKI 80/25 677 80 90 110 25 1 74.9 136 3700
  NKI 80/35 959 80 90 110 35 1 107.3 216 3600
85 NKI 85/26 743 85 95 115 26 1 79.5 149.4 3600
  NKI 85/36 1040 85 95 115 36 1 112 232.4 3400
90 NKI 90/26 778 90 100 120 26 1 82.3 159.5 3500
  NKI 90/36 1090 90 100 120 36 1 116 248 3300
95 NKI 95/26 816 95 105 125 26 1 83.6 164.8 3300
  NKI 95/36 1145 95 105 125 36 1 117.9 256.4 3200
100 NKI 100/30 990 100 110 130 30 1.1 100.9 213.9 3100
  NKI 100/40 1330 100 110 130 40 1.1 128.4 311 3000

###

Shaft Bearing No. Weight  Dimensions Basic Load Rating(KN) Limiting Speed
(mm) (g) Fw D C r(min.)  Cr Cor RPM
5 NK 5/10TN 3.1 5 10 10 0.15 2.5 2 37000
  NK 5/12TN 3.7 5 10 12 0.15 3.05 2.99 37000
6 NK 6/10TN 4.7 6 12 10 0.15 2.33 2.2 33000
  NK 6/12TN 5.7 6 12 12 0.15 3.3 3.45 33000
7 NK 7/10TN 6.9 7 14 10 0.3 3.33 3.15 31000
  NK 7/12TN 8.2 7 14 12 0.3 4.19 4.24 31000
8 NK 8/12TN 8.7 8 15 12 0.3 4.1 4.3 29000
  NK 8/16TN 12 8 15 16 0.3 4.9 5.4 29000
9 NK 9/12TN 10.3 9 16 12 0.3 4.75 5.3 28000
10 NK 10/12 10 10 17 12 0.3 5.01 5.82 27000
  NK 10/16 13 10 17 16 0.3 6.51 8.12 27000
12 NK 12/12 12 12 19 12 0.3 6.4 7.1 25000
  NK 12/16 16 12 19 16 0.3 9.1 11 25000
14 NK 14/16 14 14 22 16 0.3 11 12.5 23000
  NK 14/20 18 14 22 20 0.3 13.9 17 23000
15 NK 15/16 22 15 23 16 0.3 10.9 12.7 20000
  NK 15/20 27 15 23 20 0.3 13.8 17.2 20000
16 NK 16/16 22 16 24 16 0.3 11.3 13.8 19000
  NK 16/20 28 16 24 20 0.3 14.6 18.8 19000
17 NK 17/16 24 17 25 16 0.3 12.1 15 18000
  NK 17/20 30 17 25 20 0.3 14.4 20.4 17000
18 NK 18/16 25 18 26 16 0.3 12.7 16.2 17000
  NK 18/20 31 18 26 20 0.3 16.1 22 17000
19 NK 19/16 26 19 27 16 0.3 13.8 18.5 16000
  NK 19/20 32 19 27 20 0.3 17.6 25.1 16000
20 NK 20/16 27 20 28 16 0.3 13.8 18.6 15000
  NK 20/20 34 20 28 20 0.3 17.4 25.2 15000
21 NK 21/16 29 21 29 16 0.3 14.3 19.8 14000
  NK 21/20 36 21 29 20 0.3 18.1 26.9 14000
22 NK 22/16 30 22 30 16 0.3 14.7 21 14000
  NK 22/20 37 22 30 20 0.3 18.7 28.5 14000
24 NK 24/16 32 24 32 16 0.3 15.1 22.3 13000
  NK 24/20 40 24 32 20 0.3 19.3 30.3 13000
25 NK 25/16 32 25 33 16 0.3 15.6 23.5 12000
  NK 25/20 42 25 33 20 0.3 19.8 31.9 12000
26 NK 26/16 34 26 34 16 0.3 16.1 24.7 12000
  NK 26/20 42 26 34 20 0.3 20.4 33.5 12000
28 NK 28/20 52 28 37 20 0.3 22.3 33.8 11000
  NK 28/30 82 28 37 30 0.3 33.7 57.7 11000
29 NK 29/20 54 29 38 20 0.3 22.1 33.9 10000
  NK 29/30 84 29 38 30 0.3 33.5 57.9 10000
30 NK 30/20 65 30 40 20 0.3 33.5 57.9 10000
  NK 30/30 98 30 40 30 0.3 34.7 61 10000
32 NK 32/20 68 32 42 20 0.3 23.5 37.7 10000
  NK 32/30 102 32 42 30 0.3 35.6 64.3 9500
35 NK 35/20 74 35 45 20 0.3 24.8 41.4 9000
  NK 35/30 112 35 45 30 0.3 37.5 70.6 9000
37 NK 37/20 77 37 47 20 0.3 25.3 43.3 8500
  NK 37/30 113 37 47 30 0.3 38.3 73.9 8500
38 NK 38/20 79 38 48 20 0.3 25.9 45.1 8500
  NK 38/30 116 38 48 30 0.3 39.2 77 8000
40 NK 40/20 83 40 50 20 0.3 26.4 47.1 8000
  NK 40/30 125 40 50 30 0.3 43.8 80.2 8000
42 NK 42/20 85 42 52 20 0.3 26.8 49 8000
  NK 42/30 127 42 52 30 0.3 40.7 83.5 8000
43 NK 43/20 87 43 53 20 0.3 27.5 50.8 8000
  NK 43/30 130 43 53 30 0.3 41.6 86.6 8000
45 NK 45/20 91 45 55 20 0.3 28 52.7 7500
  NK 45/30 139 45 55 30 0.3 42.4 89.8 7000
47 NK 47/20 95 47 57 20 0.3 29.2 56.4 7500
  NK 47/30 144 47 57 30 0.3 44.2 96.1 7000
50 NK 50/25 158 50 62 25 0.6 40.6 79.4 6500
  NK 50/35 221 50 62 35 0.6 55.9 119.5 6500
55 NK 55/25 180 55 68 25 0.6 43.7 81.7 6000
  NK 55/35 250 55 68 35 0.6 61.8 127.7 6000
60 NK 60/25 185 60 72 25 0.6 43.1 90.7 5500
  NK 60/35 258 60 72 35 0.6 60.9 141.6 5500
65 NK 65/25 221 65 78 25 0.6 47 94.4 5500
  NK 65/35 310 65 78 35 0.6 66.5 147.5 5500
68 NK 68/25 227 68 82 25 0.6 48.6 100.6 5500
  NK 68/35 316 68 82 35 0.6 68.8 157.1 5500
70 NK 70/25 260 70 85 25 0.6 50.1 96.7 5000
  NK 70/35 370 70 85 35 0.6 72.1 154.5 5000
73 NK 73/25 293 73 90 25 1 54.2 100.8 4800
  NK 73/35 403 73 90 35 1 79.4 164.7 4600
75 NK 75/25 315 75 92 25 1 55.3 104.3 4800
  NK 75/35 445 75 92 35 1 80.9 170.3 4600
80 NK 80/25 301 80 95 25 1 54.7 113.4 4400
  NK 80/35 425 80 95 35 1 78.6 181 4300
85 NK 85/25 425 85 105 25 1 71.7 126.5 4200
  NK 85/35 600 85 105 35 1 102.8 200.8 4000
90 NK 90/25 450 90 110 25 1 74.9 136 4000
  NK 90/35 630 90 110 35 1 107.3 216 3800
95 NK 95/26 490 95 115 26 1 79.5 149.4 3900
  NK 95/36 680 95 115 36 1 112 232.4 3700
100 NK 100/26 515 100 120 26 1 82.3 159.5 3700
  NK 100/36 715 100 120 36 1 116 248 3500
105 NK 105/26 557 105 125 26 1 83.6 164.8 3700
  NK 105/36 769 105 125 36 1 117.9 256.4 3500
110 NK 110/30 650 110 130 30 1.1 100.9 213.9 3300
  NK 110/40 830 110 130 40 1.1 128.4 311 3100
US $0.01
/ Set
|
1 Set

(Min. Order)

###

Cage: With Cage
Rows Number: Single
Load Direction: Radial Bearing
Style: Without Outer Ring, With Outer Ring, Without Inner Ring, With Inner Ring
Material: Bearing Steel
Type: Closed

###

Samples:
US$ 0/Set
1 Set(Min.Order)

|
Request Sample

###

Customization:

###

Basic Features of Entity Bushed Needle Roller Bearing
Types NA49… series (with Inner Ring)
RNA49… series (without Inner Ring)
NA69… series (with Inner Ring)
RNA69… series (without Inner Ring)
NKIS… series (with Inner Ring)
NKS… series (without Inner Ring)
NKI… series (with Inner Ring)
NK… series (without Inner Ring)
NAO… series (without Ribs)
RNAO… series (without Ribs)
NA49…2RS series (with Seals)
RNA49…2RS series (with Seals)
NAV40… series (without Cage)
RNAV40… series (without Cage)
NAV49… series (without Cage)
RNAV49… series (without Cage)
Material Bearing Steel(GCr15, 100Cr6)
SPCC St14
Nylon
Dimension Metric and Inch
Dimension Range 5mm~200mm(bore diameter)
MOQ 1
Delivery Time 15-45 days
Sea Ports Shanghai Ningbo Qingdao

###

Metric Inch Needle Roller Bearing with Machined Outer Ring and Inner Ring Custom  
  Metric Inch Needle Roller Bearing with Machined Outer Ring and Inner Ring Custom
Metric Inch Needle Roller Bearing with Machined Outer Ring and Inner Ring Custom  
  Metric Inch Needle Roller Bearing with Machined Outer Ring and Inner Ring Custom

###

Shaft Bearing No. Weight  Dimensions Basic Load Rating(KN) Limiting Speed
(mm) (g) d F D B r(min.) Cr Cor RPM
10 NKI 10/16 29 10 14 22 16 0.3 11 12.5 19000
  NKI 10/20 37 10 14 22 20 0.3 12.8 15.6 19000
12 NKI 12/16 33 12 16 24 16 0.3 11.5 13.8 17000
  NKI 12/20 41 12 16 24 20 0.3 14.6 18.8 17000
15 NKI 15/16 39 15 19 27 16 0.3 13.8 18.5 14000
  NKI 15/20 49 15 19 27 20 0.3 17.6 25.1 14000
17 NKI 17/16 42 17 21 29 16 0.3 14.3 19.8 13000
  NKI 17/20 53 17 21 29 20 0.3 18.1 26.9 13000
20 NKI 20/16 49 20 24 32 16 0.3 15.1 22.3 12000
  NKI 20/20 61 20 24 32 20 0.3 19.3 30.3 12000
22 NKI 22/16 52 22 26 34 16 0.3 16.1 24.7 11000
  NKI 22/20 65 22 26 34 20 0.3 20.4 33.5 11000
25 NKI 25/20 79 25 29 38 20 0.3 22.1 33.9 10000
  NKI 25/30 124 25 29 38 30 0.3 33.5 57.9 9500
28 NKI 28/20 96 28 32 42 20 0.3 23.5 37.7 9000
  NKI 28/30 146 28 32 42 30 0.3 35.6 64.3 9000
30 NKI 30/20 112 30 35 45 20 0.3 24.8 41.4 8500
  NKI 30/30 170 30 35 45 30 0.3 37.5 70.6 8000
32 NKI 32/20 118 32 37 47 20 0.3 25.3 43.3 8000
  NKI 32/30 180 32 37 47 30 0.3 38.3 73.9 8000
35 NKI 35/20 127 35 40 50 20 0.3 26.4 47.1 7500
  NKI 35/30 193 35 40 50 30 0.3 43.8 80.2 7500
38 NKI 38/20 136 38 43 53 20 0.3 27.5 50.8 7000
  NKI 38/30 207 38 43 53 30 0.3 41.6 86.6 7000
40 NKI 40/20 142 40 45 55 20 0.3 28 52.7 7000
  NKI 40/30 216 40 45 55 30 0.3 42.4 89.8 6500
42 NKI 42/20 148 42 47 57 20 0.3 29.2 56.4 6500
  NKI 42/30 222 42 47 57 30 0.3 44.2 96.1 6500
45 NKI 45/25 229 45 50 62 25 0.3 40.5 79.4 6500
  NKI 45/35 322 45 50 62 35 0.6 55.9 119.5 6500
50 NKI 50/25 270 50 55 68 25 0.6 43.7 81.7 6000
  NKI 50/35 379 50 55 68 35 0.6 61.8 127.7 6000
55 NKI 55/25 272 55 60 72 25 0.6 43.1 90.7 5500
  NKI 55/35 379 55 60 72 35 0.6 60.9 141.6 5500
60 NKI 60/25 394 60 68 82 25 0.6 48.6 100.6 4900
  NKI 60/35 553 60 68 82 35 0.6 68.8 157.1 4800
65 NKI 65/25 467 65 73 90 25 1 54.2 100.8 4600
  NKI 65/35 659 65 73 90 35 1 79.4 164.7 4400
70 NKI 70/25 521 70 80 95 25 1 54.7 113.4 4100
  NKI 70/35 737 70 80 95 35 1 78.6 181 4000
75 NKI 75/25 641 75 85 105 25 1 71.7 126.5 3900
  NKI 75/35 908 75 85 105 35 1 102.8 200.8 3800
80 NKI 80/25 677 80 90 110 25 1 74.9 136 3700
  NKI 80/35 959 80 90 110 35 1 107.3 216 3600
85 NKI 85/26 743 85 95 115 26 1 79.5 149.4 3600
  NKI 85/36 1040 85 95 115 36 1 112 232.4 3400
90 NKI 90/26 778 90 100 120 26 1 82.3 159.5 3500
  NKI 90/36 1090 90 100 120 36 1 116 248 3300
95 NKI 95/26 816 95 105 125 26 1 83.6 164.8 3300
  NKI 95/36 1145 95 105 125 36 1 117.9 256.4 3200
100 NKI 100/30 990 100 110 130 30 1.1 100.9 213.9 3100
  NKI 100/40 1330 100 110 130 40 1.1 128.4 311 3000

###

Shaft Bearing No. Weight  Dimensions Basic Load Rating(KN) Limiting Speed
(mm) (g) Fw D C r(min.)  Cr Cor RPM
5 NK 5/10TN 3.1 5 10 10 0.15 2.5 2 37000
  NK 5/12TN 3.7 5 10 12 0.15 3.05 2.99 37000
6 NK 6/10TN 4.7 6 12 10 0.15 2.33 2.2 33000
  NK 6/12TN 5.7 6 12 12 0.15 3.3 3.45 33000
7 NK 7/10TN 6.9 7 14 10 0.3 3.33 3.15 31000
  NK 7/12TN 8.2 7 14 12 0.3 4.19 4.24 31000
8 NK 8/12TN 8.7 8 15 12 0.3 4.1 4.3 29000
  NK 8/16TN 12 8 15 16 0.3 4.9 5.4 29000
9 NK 9/12TN 10.3 9 16 12 0.3 4.75 5.3 28000
10 NK 10/12 10 10 17 12 0.3 5.01 5.82 27000
  NK 10/16 13 10 17 16 0.3 6.51 8.12 27000
12 NK 12/12 12 12 19 12 0.3 6.4 7.1 25000
  NK 12/16 16 12 19 16 0.3 9.1 11 25000
14 NK 14/16 14 14 22 16 0.3 11 12.5 23000
  NK 14/20 18 14 22 20 0.3 13.9 17 23000
15 NK 15/16 22 15 23 16 0.3 10.9 12.7 20000
  NK 15/20 27 15 23 20 0.3 13.8 17.2 20000
16 NK 16/16 22 16 24 16 0.3 11.3 13.8 19000
  NK 16/20 28 16 24 20 0.3 14.6 18.8 19000
17 NK 17/16 24 17 25 16 0.3 12.1 15 18000
  NK 17/20 30 17 25 20 0.3 14.4 20.4 17000
18 NK 18/16 25 18 26 16 0.3 12.7 16.2 17000
  NK 18/20 31 18 26 20 0.3 16.1 22 17000
19 NK 19/16 26 19 27 16 0.3 13.8 18.5 16000
  NK 19/20 32 19 27 20 0.3 17.6 25.1 16000
20 NK 20/16 27 20 28 16 0.3 13.8 18.6 15000
  NK 20/20 34 20 28 20 0.3 17.4 25.2 15000
21 NK 21/16 29 21 29 16 0.3 14.3 19.8 14000
  NK 21/20 36 21 29 20 0.3 18.1 26.9 14000
22 NK 22/16 30 22 30 16 0.3 14.7 21 14000
  NK 22/20 37 22 30 20 0.3 18.7 28.5 14000
24 NK 24/16 32 24 32 16 0.3 15.1 22.3 13000
  NK 24/20 40 24 32 20 0.3 19.3 30.3 13000
25 NK 25/16 32 25 33 16 0.3 15.6 23.5 12000
  NK 25/20 42 25 33 20 0.3 19.8 31.9 12000
26 NK 26/16 34 26 34 16 0.3 16.1 24.7 12000
  NK 26/20 42 26 34 20 0.3 20.4 33.5 12000
28 NK 28/20 52 28 37 20 0.3 22.3 33.8 11000
  NK 28/30 82 28 37 30 0.3 33.7 57.7 11000
29 NK 29/20 54 29 38 20 0.3 22.1 33.9 10000
  NK 29/30 84 29 38 30 0.3 33.5 57.9 10000
30 NK 30/20 65 30 40 20 0.3 33.5 57.9 10000
  NK 30/30 98 30 40 30 0.3 34.7 61 10000
32 NK 32/20 68 32 42 20 0.3 23.5 37.7 10000
  NK 32/30 102 32 42 30 0.3 35.6 64.3 9500
35 NK 35/20 74 35 45 20 0.3 24.8 41.4 9000
  NK 35/30 112 35 45 30 0.3 37.5 70.6 9000
37 NK 37/20 77 37 47 20 0.3 25.3 43.3 8500
  NK 37/30 113 37 47 30 0.3 38.3 73.9 8500
38 NK 38/20 79 38 48 20 0.3 25.9 45.1 8500
  NK 38/30 116 38 48 30 0.3 39.2 77 8000
40 NK 40/20 83 40 50 20 0.3 26.4 47.1 8000
  NK 40/30 125 40 50 30 0.3 43.8 80.2 8000
42 NK 42/20 85 42 52 20 0.3 26.8 49 8000
  NK 42/30 127 42 52 30 0.3 40.7 83.5 8000
43 NK 43/20 87 43 53 20 0.3 27.5 50.8 8000
  NK 43/30 130 43 53 30 0.3 41.6 86.6 8000
45 NK 45/20 91 45 55 20 0.3 28 52.7 7500
  NK 45/30 139 45 55 30 0.3 42.4 89.8 7000
47 NK 47/20 95 47 57 20 0.3 29.2 56.4 7500
  NK 47/30 144 47 57 30 0.3 44.2 96.1 7000
50 NK 50/25 158 50 62 25 0.6 40.6 79.4 6500
  NK 50/35 221 50 62 35 0.6 55.9 119.5 6500
55 NK 55/25 180 55 68 25 0.6 43.7 81.7 6000
  NK 55/35 250 55 68 35 0.6 61.8 127.7 6000
60 NK 60/25 185 60 72 25 0.6 43.1 90.7 5500
  NK 60/35 258 60 72 35 0.6 60.9 141.6 5500
65 NK 65/25 221 65 78 25 0.6 47 94.4 5500
  NK 65/35 310 65 78 35 0.6 66.5 147.5 5500
68 NK 68/25 227 68 82 25 0.6 48.6 100.6 5500
  NK 68/35 316 68 82 35 0.6 68.8 157.1 5500
70 NK 70/25 260 70 85 25 0.6 50.1 96.7 5000
  NK 70/35 370 70 85 35 0.6 72.1 154.5 5000
73 NK 73/25 293 73 90 25 1 54.2 100.8 4800
  NK 73/35 403 73 90 35 1 79.4 164.7 4600
75 NK 75/25 315 75 92 25 1 55.3 104.3 4800
  NK 75/35 445 75 92 35 1 80.9 170.3 4600
80 NK 80/25 301 80 95 25 1 54.7 113.4 4400
  NK 80/35 425 80 95 35 1 78.6 181 4300
85 NK 85/25 425 85 105 25 1 71.7 126.5 4200
  NK 85/35 600 85 105 35 1 102.8 200.8 4000
90 NK 90/25 450 90 110 25 1 74.9 136 4000
  NK 90/35 630 90 110 35 1 107.3 216 3800
95 NK 95/26 490 95 115 26 1 79.5 149.4 3900
  NK 95/36 680 95 115 36 1 112 232.4 3700
100 NK 100/26 515 100 120 26 1 82.3 159.5 3700
  NK 100/36 715 100 120 36 1 116 248 3500
105 NK 105/26 557 105 125 26 1 83.6 164.8 3700
  NK 105/36 769 105 125 36 1 117.9 256.4 3500
110 NK 110/30 650 110 130 30 1.1 100.9 213.9 3300
  NK 110/40 830 110 130 40 1.1 128.4 311 3100

How to Replace a Bearing

If you want to select a bearing for a specific application, you should know a few basics. This article will give you an overview of ball, angular contact, and sliding-contact bearings. You can choose a bearing according to the application based on the characteristics of its material and preload. If you are not sure how to choose a bearing, try experimenting with it. The next step is to understand the Z-axis, which is the axes along which the bearing moves.

Z axis

When it comes to replacing your Z axis bearing, there are several things you must know. First, you need to make sure that the bearings are seated correctly. Then, you should check the tension and rotation of each one. To ensure that both bearings are equally tensioned, you should flex the Core to the desired angle. This will keep the Z axis perpendicular to the work surface. To do this, first remove the Z axis bearing from its housing and insert it into the Z axis motor plate. Next, insert the flanged bearing into the Z axis motor plate and secure it with two M5x8mm button head cap screws.
Make sure that the bearing plate and the Z Coupler part are flush and have equal spacing. The spacing between the two parts is important, as too much spacing will cause the leadscrew to become tight. The screws should be very loose, with the exception of the ones that engage the nylocks. After installing the bearing, the next step is to start the Z axis. Once this is done, you’ll be able to move it around with a stepper.

Angular contact

bearing
Ball bearings are made with angular contacts that result in an angle between the bearing’s races. While the axial load moves in one direction through the bearing, the radial load follows a curved path, tending to separate the races axially. In order to minimize this frictional effect, angular contact bearings are designed with the same contact angle on the inner and outer races. The contact angle must be chosen to match the relative proportions of the axial and radial loads. Generally, a larger contact angle supports a higher axial load, while reducing radial load.
Ball bearings are the most common type of angular contact bearings. Angular contact ball bearings are used in many applications, but their primary purpose is in the spindle of a machine tool. These bearings are suitable for high-speed, precision rotation. Their radial load capacity is proportional to the angular contact angle, so larger contact angles tend to enlarge with speed. Angular contact ball bearings are available in single and double-row configurations.
Angular contact ball bearings are a great choice for applications that involve axial loads and complex shapes. These bearings have raceways on the inner and outer rings and mutual displacement along the axial axis. Their axial load bearing capacity increases as the contact Angle a rises. Angular contact ball bearings can withstand loads up to five times their initial weight! For those who are new to bearings, there are many resources online dedicated to the subject.
Despite their complexity, angular contact ball bearings are highly versatile and can be used in a wide range of applications. Their angular contact enables them to withstand moderate radial and thrust loads. Unlike some other bearings, angular contact ball bearings can be positioned in tandem to reduce friction. They also feature a preload mechanism that removes excess play while the bearing is in use.
Angular contact ball bearings are made with different lubricants and cage materials. Standard cages for angular contact ball bearings correspond to Table 1. Some are machined synthetic resins while others are molded polyamide. These cage materials are used to further enhance the bearing’s axial load capacity. Further, angular contact ball bearings can withstand high speeds and radial loads. Compared to radial contact ball bearings, angular contact ball bearings offer the greatest flexibility.

Ball bearings

bearing
Ball bearings are circular structures with two separate rings. The smaller ring is mounted on a shaft. The inner ring has a groove on the outer diameter that acts as a path for the balls. Both the inner and outer ring surfaces are finished with very high precision and tolerance. The outer ring is the circular structure with the rolling elements. These elements can take many forms. The inner and outer races are generally made of steel or ceramic.
Silicon nitride ceramic balls have good corrosion resistance and lightweight, but are more expensive than aluminum oxide balls. They also exhibit an insulating effect and are self-lubricating. Silicon nitride is also suitable for high-temperature environments. However, this type of material has the disadvantage of wearing out rapidly and is prone to cracking and shattering, as is the case with bearing steel and glass. It’s also less resistant to heat than aluminum oxide, so it’s best to buy aluminum nitride or ceramic ball bearings for applications that are subjected to extremely high temperatures.
Another type of ball bearings is the thrust bearing. It has a special design that accommodates forces in both axial and radial directions. It is also called a bidirectional bearing because its races are side-by-side. Axial ball bearings use a side-by-side design, and axial balls are used when the loads are transmitted through the wheel. However, they have poor axial support and are prone to separating during heavy radial loads.
The basic idea behind ball bearings is to reduce friction. By reducing friction, you’ll be able to transfer more energy, have less erosion, and improve the life of your machine. With today’s advances in technology, ball bearings can perform better than ever before. From iron to steel to plastics, the materials used in bearings have improved dramatically. Bearings may also incorporate an electromagnetic field. So, it’s best to select the right one for your machine.
The life expectancy of ball bearings depends on many factors, including the operating speed, lubrication, and temperature. A single million-rpm ball bearing can handle between one and five million rotations. As long as its surface contact area is as small as possible, it’s likely to be serviceable for at least one million rotations. However, the average lifespan of ball bearings depends on the application and operating conditions. Fortunately, most bearings can handle a million or more rotations before they start showing signs of fatigue.

Sliding-contact bearings

bearing
The basic principle behind sliding-contact bearings is that two surfaces move in contact with one another. This type of bearing works best in situations where the surfaces are made of dissimilar materials. For instance, a steel shaft shouldn’t run in a bronze-lined bore, or vice versa. Instead, one element should be harder than the other, since wear would concentrate in that area. In addition, abrasive particles tend to force themselves into the softer surface, causing a groove to wear in that part.
Sliding-contact bearings have low coefficients of friction and are commonly used in low-speed applications. Unlike ball and roller bearings, sliding contact bearings have to be lubricated on both sides of the contacting surfaces to minimize wear and tear. Sliding-contact bearings generally are made of ceramics, brass, and polymers. Because of their lower friction, they are less accurate than rolling-element bearings.
Sliding-contact bearings are also known as plain or sleeve bearings. They have a sliding motion between their two surfaces, which is reduced by lubrication. This type of bearing is often used in rotary applications and as guide mechanisms. In addition to providing sliding action, sliding-contact bearings are self-lubricating and have high load-carrying capacities. They are typically available in two different types: plain bearings and thrust bearings.
Sliding-contact linear bearing systems consist of a moving structure (called the carriage or slide) and the surfaces on which the two elements slide. The surfaces on which the bearing and journal move are called rails, ways, or guides. A bore hole is a complex geometry, and a minimum oil film thickness h0 is usually used at the line of centers. It is possible to have a sliding-contact bearing in a pillow block.
Because these bearings are porous, they can absorb 15 to 30% of the lubrication oil. This material is commonly used in automobile and machine tools. Many non-metallic materials are used as bearings. One example is rubber, which offers excellent shock absorbency and embeddability. While rubber has poor strength and thermal conductivity, it is commonly used in deep-well pumps and centrifugal pumps. This material has high impact strength, but is not as rigid as steel.

China Metric Inch Needle Roller Bearing with Machined Outer Ring and Inner Ring Custom     bearing airChina Metric Inch Needle Roller Bearing with Machined Outer Ring and Inner Ring Custom     bearing air
editor by czh 2022-12-25