Item Description

Rolling bearing 511044A is general use  thrust angular contact ball bearings, also know as rolling mills bearings, double row, non-separable, which features extremely rigid axial angular make contact with ball bearings can assistance high axial forces in both directions, therefore this type of rolling bearings are especially utilised in wire mills.

 bearings 511044A specialized data are proven in the following, 
d: one hundred mm
D: one hundred seventy mm
B: sixty.3 mm
Mass: 5.57 kg 
C:  140 KN Basic dynamic load rating 
C0: one hundred seventy KN Basic static load ranking

Other typical double row  rolling mills bearings in our stock are summarized as beneath, 

500324A  501274A  501493A  501929C  557138B  557172AA  557194A  557194B  503901.N12BA *2  55716A  5 0571 3A  55718A  55719B  55713A  55715A  508658A  
55717B  55710A  55711A  55712A  55713A  55716A  509059A  55713A  509590A  509592A  55710A  510148B  510150B  510440A  51571A  511/500MP  511/500MP.P5  
511/530MP  511/530MP.P4  511/560MP  511/600MP.P5  511/600MP.P6  511/670MP  511/710.2WS.8 0571 9A  511045A  511135A  51124.P5  51128.P5  51130MP  51132MP  
51134MP  51136MP  51138FP.P5  51138MP  51140MP  51144MP51148MP  51152FP.P5  51152MP  51156MP  51160MP  51164FP  51164MP  51168MP  51172MP  51172MP.P5  
51176MP  51180MP  51184MP  51192MP  51192MP.P4  511Z20  51204MP  51208.P5  51208MP  51211.P5  512133A  51218.P5  51228.P5  51230MP  51230MP.P6  51232MP  
51234MP  51236MP  51238MP  51240MP  51240MP.P5  51244MP  51248MP  512497C.K158  512497C.K158X6 *6  51252MP  51256MP  51272MP  512Z35  513052A  51308 *5  
51309 *5  51310.P5  51312.P5  51324MP  51326MP  51328MP  51330MP  51332MP  513331A  51334MP  51336MP  513371B  51340MP  513729A  514139B  51413MP  51414MP  
51415MP  51416MP  51417MP  51418MP  51420MP  514857A  515719A  515719A.E14N  515866A  517563A  517977A  518176.A350.400.N11CB *2  518240A.A150.200  
518772A  521204A  521471A  52230MP  52232MP  52234MP  522372A  52238MP  52240MP  522742B  523247C  52328MP  52330MP  523430B  523911D  524440A  524625B  
524625B.M  524851A  524903.A200.300  525271.M15FC.N12BC *2  526072A  526072A.H97  526411A.E14F  526434A  526804A  527175C.H42CX  527243BE  527248LB.R450.500 
527502C  527502C.K158X6 *6  527502C.K158X7 *7  528322.A800.850  528546C  528548B  528983B  529084D  529257A  529469.N12BA *2  529908A  53571M  53571M.H50B  
531068A  531296A  531296C  531341A.W209D  532066DB  532116B.W209D  532117B.W209D  53230MP  53232MP  53234MP  53236MP  53238MP  532488A  532527B  533134D 
533134E  53322MP  53324MP  53330MP  53412MP 53416FP  53418FP  536123A 536125A  536906C  537116C  537117B  538238TVP  538244TVP  538367D  538431TVP  
539405.A1650.1700.W209D  540466B  540484A  540626AA.J30NF  54571BA  54571CA  540805A  541019.S3  541332A.K158X4 *4  541521C  542186A  543185A  543187A  
54322MP  543307A.K158X12 *12  544307D  544873TVP  545312A  545495AD  546065.C3.L145  546238A  546634A  547398.J42B  548310.N12B *2  548644C  549571A  
549030A  549235.H49A *80  549293A  549722.K158X5 *5  549722.K158X6 *6  558540D  561067B  561388B  561904.P6X  561948AEZ72  562376A  562398D  562830A  
563510C  564247.K158X8 *8  564534A  564604.K158X6 *6  564725AB  565215A  565531K.C5565597MP  565665K.C5.W209B  565666K.C5.W209B  565667K.C5.W209B  565668K.C5.W209B  
565688K.C5.W209B  566170K.C5.W209B  566487K.C5.W209B  566488K.C5.W209B  566616B  566719B  566997C  567309B  567402A *5  567447B  567455A.K158X7 *7  567498K.C5.W209B  
568195B  568335CA  568995A  572506E  572592C  574566BE  575477AC *5575477BB *5  575633.K158X5 *5  575718A  576681EA  578352A  579165B *120  579905A  
579905AA  580989 *24  581571A  591/670MP  591/750MP  59184MP 


TIMKEN&FGA Rolling Bearings for Rolling Mills

Selecting the Right Ball Bearing for Your Application

When picking a Ball Bearing, there are several issues to think about. These factors consist of: the measurement, lubricant sort, existence of corrosive brokers, stray electrical currents, and much more. It can be tough to choose the proper type, size, and kind of ball bearing for your application. You must also carefully compute the masses to determine the appropriate measurement. Here are some guidelines for choosing the appropriate Ball Bearing for your application.


The solitary-row ball bearing is a single of the most well-known types of bearings. The interior and outer ring are created with raceway grooves that are shaped somewhat bigger than the balls. This kind of bearing has a lower torque and can manage large-speed programs with minimal electricity reduction. The radial proportions of one-row ball bearings also range, so it is possible to locate a single that matches your particular application. In addition to the over-described rewards, single-row ball bearings are also accessible with various grease ranges and are widely relevant to programs the place the room is limited.
One-row ball bearings are also called angular-speak to ball bearings. Since of their one-row style, they are not separable and can accommodate a substantial-pace, hefty-responsibility software. One-row angular-contact ball bearings can only deal with axial load in a single direction, and they have to be put in in pairs for pure radial loads. One-row ball bearings are a common variety of rolling bearings and can be employed for a broad assortment of purposes.


The self-aligning ball bearing was invented by Sven Wingquist, a plant engineer for a textile organization in Sweden. Although he was liable for making creation as successful as possible, he quickly recognized that the machinery he experienced in location was not working as proficiently as it could. Even though ball bearings are wonderful for reducing friction, they had been not flexible sufficient to compensate for misalignments in the machine.
Self-aligning ball bearings have two rows of balls and a widespread sphered raceway. The interior ring is curved and combines the two rows of balls into 1 cage. These bearings can tolerate shaft misalignment and compensate for static angular problems. They can be used in basic woodworking machinery, ventilators, and conveying gear. They are typically the preferred decision for programs the place shaft alignment is an situation.


A Ceramic ball bearing is a sort of large-performance bearing that is available in each entire-ceramic and hybrid kinds. The principal distinctions between ceramic and steel ball bearings are their building, lubrication, and mobility. High-good quality ceramic ball bearings are sturdy, and they are excellent for corrosive and large-temperature programs. The content employed to produce these bearings will help avoid electrolytic corrosion. They are also ideal for decreasing the friction and lubrication demands.
Ceramic balls are more challenging and considerably less brittle than metal balls, which gives them a larger diploma of rigidity. Ceramics also have a increased hardness, with a hardness of Rc75-eighty in contrast to Rc58-sixty four for steel balls. Their higher compressive toughness is roughly 5 to 7 instances greater than steel. In addition, they have a very lower coefficient of friction, which makes it possible for them to spin at higher speeds and with considerably less friction. This will increase their lifespan and longevity, and decreases the strength necessary to flip cranks.


As opposed to classic bearings, metal balls have a fairly uniform hardness. Carbon steel, for instance, is 2.1% carbon by excess weight. According to the American Iron and Steel Institute, copper material must be no much more than .40% and manganese material ought to not be far more than 1.sixty five g/cm3. After carbonizing, steel balls endure a procedure referred to as sizing, which increases their roundness geometry and hardness.
The main differences between steel ball bearings and ceramic ball bearings can be traced to their different supplies. Ceramic balls are made from zirconium dioxide or silicon nitride. Silicon nitride is more difficult than metal and resists shocks. The outcome is elevated speed and longer service daily life. Polyoxymethylene acetal (PMMA) bearing balls are identified for their stiffness, power, and tolerance, but are not as common as steel ball bearings.


The most well-known varieties of plastic ball bearings are manufactured of polypropylene or PTFE. These bearings are employed in programs requiring greater chemical resistance. Polypropylene is a structural polymer that offers outstanding actual physical and chemical properties, such as excellent resistance to organic and natural solvents and degreasing agents. Its lightweight, lower dampness absorption rate, and great warmth resistance make it an exceptional decision for substantial-temperature applications. However, plastic bearings are not with no their negatives, especially when functioning at quite substantial temperatures or under weighty loads.
When compared to metallic bearings, plastic ball-bearings do not call for lubrication. They also are extremely corrosion-resistant, creating them an outstanding choice for wash-down programs. They are also post-, autoclave-, and gamma sterilizable. Several conventional metal ball-bearings cannot deal with the substantial temperatures of foods processing or swimming pools. In addition to substantial temperature programs, plastic ball bearings are resistant to chemicals, including chlorine.


Plastic sliding bearings are molded bearings made of engineering plastic. With self-lubricating modification technology, these bearings can be created by injection molding of plastic beads. They are broadly used in numerous industries this sort of as business office gear, fitness and automotive products. In addition to plastic bearings, glass balls are utilized in a selection of other programs, including medical tools. Glass ball bearings have excellent corrosion resistance, superb mechanical qualities, and are electrically insulators.
Plastic ball bearings are manufactured of all-plastic races and cages. These bearings are appropriate for applications that are exposed to acids and alkalis. Simply because they are less costly than glass balls, plastic ball bearings are popular in chemical-uncovered environments. Stainless steel balls are also resistant to warmth and corrosion. But the primary disadvantage of plastic ball bearings is that they are not as sturdy as glass balls. So, if bodyweight and noise is your primary concern, consider using plastic balls as an alternative.


The worldwide miniature ball bearing marketplace is predicted to reach US$ 2.39 Billion by 2027, at a CAGR of 7.2%. Expansion in the location is attributed to technological progression and federal government initiatives. International locations such as India and China are attracting FDIs and emphasizing the institution of a world-wide production hub. This is boosting the market for miniature ball bearings. The miniscule ball bearings are made in small quantities and are extremely little.
Some producers produce miniature ball bearings in different materials and patterns. Chrome steel is the most common materials for miniature ball bearings because of its substantial load potential, low sound homes, and reduced expense. But the expense of stainless steel miniature bearings is minimal, considering that the amount of steel used is minimum. Stainless steel miniature bearings are the smallest in measurement. Consequently, you can select stainless steel mini ball bearings for substantial-speed purposes.

Angular-make contact with

Angular-contact ball bearings have 3 elements: a cage, internal ring, and balls. Angular-contact ball bearings can help high axial and radial loads. A variety of layout and manufacturing characteristics make angular-speak to ball bearings suited for a selection of applications. Some characteristics of this bearing variety include a unique lubricant, various cage supplies, and various coatings.
The dimension of an angular-speak to ball bearing is established by the design models: outer ring width, axial load, and radial load. Dependent on the variety of software, an angular-make contact with ball bearing may be created in double-row, triple-row, or quadruple-row configurations. Angular contact ball bearings can be categorised in accordance to their design and style models, which range from metric to imperial. A greater ABEC number indicates tighter tolerances. To determine the tolerance equivalent of a certain bearing, check with a normal Angular-get in touch with ball bearing table.
Angular-speak to ball bearings feature large and lower-shoulder configurations. They have two-dimensional races that accommodate axial and radial loads. They are obtainable in self-retaining units with strong inner and outer rings, and ball and cage assemblies. Cages produced of solid and wrought brass are the most popular, but lightweight phenolic cages are also obtainable. The latter is a much better option due to the fact it isn’t going to soak up oil and has reduced rolling friction.


When it will come to the design of a ball bearing, higher-high quality raw components are a essential ingredient. These components not only influence the overall top quality of a ball bearing, but also affect the value. Which is why you should spend shut interest to uncooked material top quality. In addition to that, uncooked supplies must be analyzed several occasions ahead of the manufacturing approach to make certain quality. Go through on for some info about the diverse varieties of supplies utilized to make ball bearings.
Steel is the most widespread materials for ball bearings. Most ball bearings include stainless steel balls, which are remarkably corrosion-resistant. They are also resistant to saltwater and alkalis. However, stainless metal balls are heavier than plastic ones, and they are also magnetic, which may possibly be a downside in some applications. If you’re searching for a metal-free option, glass balls are the way to go. They are strong, lightweight, and resistant to a vast range of chemical substances.

China Custom Rolling Mill Bearing 508732A /305264D, Double Row Thrust Angular Contact Ball Bearings 511044A     near me shop China Custom Rolling Mill Bearing 508732A /305264D, Double Row Thrust Angular Contact Ball Bearings 511044A     near me shop