NTN 51100 series Thrust Ball Bearing

2023-06-14 16:06:11


Thrust ball bearings are designed to withstand thrust loads at high speeds and consist of gasket rings with ball rolling raceway grooves. Because the ring is a cushion, thrust ball bearings are divided into two types: flat base cushion and aligning spherical cushion. Besides, the bearing can bear axial load, but it can not bear radial load.

Unidirectional thrust ball bearings can only withstand axial loads in one direction, while bidirectional thrust ball bearings can withstand axial loads in two directions; Thrust ball bearings cannot limit the radial displacement of the shaft, and the limit speed is very low. Unidirectional thrust ball bearings can limit the axial displacement of the shaft and shell in one direction, while bidirectional bearings can limit the axial displacement of both directions.

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Product Models


IDODBCrCorMax speedMax SpeedMass






(Grease)(Oil)


(mm)(mm)(kN)(kN)(r/min)(r/min)(kg)


26910.315.46500100000.022
511021528910.516.8610094000.024
511031730910.818.2610094000.028
5110420351014.224.7510079000.04
5110525421119.537.2440068000.059
5110630471120.442.2430066000.068
5110735521220.444.7390060000.09
5110840601326.962.8340053000.12
5110945651427.869.1320050000.15
5111050701428.875.4310048000.16
5111155781632.495.6280044000.24
5111260851741.4113260040000.29
5111365901741.7117240037000.34
5111470951843127230036000.36
51115751001942.3127220034000.42
51116801051944.6141210033000.43
51117851101945.9150210032000.46
51118901202259.7190190029000.68
511201001302585268160025000.99
511221101452587.1288160024001.08
511241201552589308150023001.16
5112613017030104352130020001.87
5112814018031107377120019002.2
5113015019031109402120019002.15
5113216020031112427120018002.28
511341702153413451211001700BearingIDNO.

(mm)5110112
3.25
5113618022534135528100016003.39
511381902403717065797015003.95
511402002503717267794014504.13
511442202703717773988013504.5
5114824030045241102075011507.38
511522603204523199071011007.93
5115628035053329143064090012
5116030038062363161054081017.5
5116432040063379176054081019
5116834042064387186050077020.5
5117236044066394196050072021.5
5117638046065----
5118844054080----
5120010261112.717.1570088000.03
5120112281113.219540083000.034
5120215321216.624.8490075000.046
5120317351217.227.3490075000.053
5120420401422.337.7390060000.082
5120525471527.850.4360055000.12
5120630521629.358.2340052000.15
5120735621839.278.2290045000.22
5120840681946.998.3270042000.27
5120945732047.7105260040000.32
5121050782248.5111230036000.39
5121155902569.4159210032000.61
5121260952673.6179190030000.69
51213651002774.8189190029000.77
51214701052773.6189180028000.81
51215751102777.4209180027000.86
51216801152878.5218170026000.95
51217851253192.3251150023001.29
512189013535117326140021001.77
512199514040135375130020002.2


Our Advantages
1. Professional suppliers. We are one of the largest bearing suppliers in China. In addition to the products produced by our own factory, we also have a stable product supply chain to provide all types of bearings.
2. Quality assurance. We produce and provide industry standard bearings with high-precision manufacturing processes, and can customize bearings according to customer needs.
3. Professional team. In terms of production research, we have sufficient technical talents to support the product production line and ensure product quality; In terms of sales, we have professional and enthusiastic service personnel to ensure the sales and after-sales service of our products, and to ensure the stability and durability of our cooperative relationship.
4. Fast delivery. Our factory has professional and responsible production staff who can provide the shortest delivery time that customers are satisfied with.


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Copyright: Shandong Dente International Trade Co., Ltd
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