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Thrust Ball Bearings

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Thrust ball bearings are produced as single direction or double direction thrust ball bearings. They are designed to accommodate axial loads only and must not be subjected to any radial load.


  • Thrust ball bearings are produced as single direction or double direction thrust ball bearings. They are designed to accommodate axial loads only and must not be subjected to any radial load.

    Thrust ball bearings are separable, the shaft washer, housing washer(s), ball and cage assembly(s) can be mounted separately. Shaft washers have a ground bore to enable an interference fit. The bore of the housing washer is turned and always larger than the shaft washer bore.

    Single direction thrust ball bearings: consist of two washers with raceways and balls guided b a cage. Washers have flat seating surfaces, and that is why they must be supported so that all balls can be evenly loaded. Bearings carry the axial load only in one direction. They are not able to carry radial forces. 

    Double direction thrust ball bearings: have two cages with balls between the central shaft washer and two houding washers with flat seating surfaces. The shaft washer has raceways on both sides and is fixed on the journal. Bearings are able to carry only axial forces in both directions.

  • Thrust Ball Bearings

  • Series table

    Principal dimensions (mm)Basic load ratings (KN)PuMin Loading ASpeed ratings (rpm)Weight (kg)Designation
    dDHdyc Crstc CorReference speedLimiting Speed
    383.50.850.770.0280.00000326000360000.003BA3
    41041.251.20.0440.00000822000300000.003BA4
    51241.431.60.060.00001320000280000.0046A5
    61451.992.280.0850.00002717000240000.004BA6
    71762.63.10.120.0000514000190000.005BA7
    81973.324.050.150.00008512000170000.007BA8
    92073.514.550.170.0001112000160000.01BA9
    102499.9515.30.560.00129500130000.0251100
    10261112.718.60.70.00188000110000.0351200
    1226910.416.60.620.00149000130000.02251101
    12281113.320.80.770.00228000110000.03451201
    152899.3615.30.560.00128500120000.02351102
    15321216.52710.00387000100000.04651202
    173099.7516.60.620.00148500120000.02551103
    17351217.2301.10.0047670095000.05351203
    20351013.5250.920.00337500100000.03751104
    20401422.540.51.530.0085600080000.08351204
    25421115.931.50.920.0033630090000.05651105
    25471527.6552.040.015530075000.1151205
    25521834.5602.240.018450063000.1751305
    25602455.396.53.60.048360050000.3451405
    30471116.8361.340.0067600085000.06351106
    30521625.5511.90.013480067000.1351206
    30602137.7712.650.026380053000.2651306
    30702872.81375.10.097300043000.5251406
    751001944.21465.50.11320043000.451115
    751102767.61836.80.17240034000.8351215
    7513544163390140.79170024002.651315
    751606525161020.81.9130018006.7551415M
    801051944.91535.70.12300043000.4251116
    801152876.12087.650.22240034000.9151216
    801404415939013.70.79170024002.751316
    801706827067022.42.3120017007.9551416M
    851101946.216360.14300043000.4451117
    851253197.52759.80.39220030001.251217
    8515049190465161.1160022003.5551317
    8518072286750242.9120016009.4551417M
    901202259.22087.50.22260038000.6751118
    901353511932511.40.55200028001.751218
    901555019550016.61.3150022003.851318
    901907730781525.53.5110015001151418M
    1001352585.2290100.44240032000.9751120
    1001503812434511.40.62180024002.251220