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Tapered roller bearings are bearings that can take large axial forces (i.e., they are good thrust bearings) as well as being able to sustain large radial forces.
The inner and outer ring raceways are segments of cones and the rollers are also made with a taper so that the conical surfaces of the raceways and the roller axes if projected, would all meet at a common point on the main axis of the bearing.
The rollers are guided by a flange on the inner ring. This stops the rollers from sliding out at high speed due to their momentum.
The larger the half angles of these cones the larger the axial force that the bearing can sustain.
Tapered roller bearings are separable and have the following components: outer ring, inner ring, and roller assembly (containing the rollers and a cage). The non-separable inner ring and roller assembly is called the cone, and the outer ring is called the cup.


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BasicNominal Bearing DimensionsPreferred Shoulder DiametersBasicEffectiveLimitingWeight
Load RatingsCenter LoadSpeeds
BearingdDTBCr1r2

No.(Min Inner Ring)(Min Out Ring)CrCoraGreaseOil(Approx.)

mmmmmmmmmmmmmmKNKNmmrpmrpmkg
30203174013.2512111120.9121.929.99900130000.078
30204204715.2514121128.4930.611.28800120000.124
30205255216.2515131132.6736.9712.57300100000.151
30206306217.2516141143.5850.4813.8630084000.229
30207357218.2517151.51.554.2863.4715.3550074000.328
30208408019.2518161.51.562.9573.9216.9490066000.419
30209458520.7519161.51.567.8483.5818.6440060000.474
30210509021.7520171.51.573.2692.120400053000.529
302115510022.75211821.590.51113.721360050000.74
302126011023.75221921.5102.85130.0722340045000.904
302136512024.75232021.5118.81152.6923.5310042001.18
302147012526.5242121.5131.7173.7325.5290040001.26
302157513027.5252221.5138.06185.4527280038001.41
302168014028.2526222.52159.43212.9527.5260034001.72
302178515030.528242.52176.34236.9530240032002.14
302189016032.530262.52198.94269.7232220030002.66
302199517034.5322732.5255.76309.2334220028003.07
3022010018037342932.525833536200027003.78
3022110519039363032.528738038.1190025004.51
3022211020041383232.532543540.1180024005.28
3022412021543.5403432.534547044.4170022006.28
3022613023043.7540344337550545.8150020007.25
3022814025045.7542364339051548.9140019008.74
☆We reserve the right to change specifications and other information included in this catalogue without notice.
Nominal Bearing DimensionsPreferred Shoulder DiametersBasic LoadEffective LoadLimiting
BearingdDTBCr1r2RatingsCenterSpeedsWeight
No.(Min Inner Ring)(Min Out Ring)CrCoraGreaseOilKg

mmmmmmmmmmmmmmKNKNmmrpmrpmkg

mmmmmmmmmmmmmmKNKNmmrpmrpmkg
30302154214.2513111123.221.69.69900130000.094
30303174715.2514121128.927.210.49000120000.129
30304205216.2515131.51.535.53411.18000110000.165
30305256218.2517151.51.548.548.113670089000.263
30306307220.7519161.51.56063.115.3570076000.387
30307358022.75211821.575.382.616.8500067000.515
30308409025.25232021.591.5107.619.5440059000.747
303094510027.25252221.5111129.821.3400053000.984
303105011029.2527232.5213315223360048001.31
303115512031.529252.5215517924.5330044001.66
303126013033.5312632.518321426.5300040002.06
303136514036332832.520323828.5280037002.55
303147015038353032.523027230260035003.06
303157516040373032.525530532240032003.57
303168017042.5393332.529735034230030004.41
303178518044.541344330536535.5210029005.2
303189019046.543364327032037.5194026406.03
303199520049.545384329635540190025306.98
3032010021551.547394336544541.5180024008.56
3032110522553.549414345556543.2170023009.52
3032211024054.550424348559545.11600220011
Nominal Bearing DimensionsPreferred Shoulder DiametersBasic LoadEffective LoadLimiting
BearingdDTBCr1r2RatingsCenterSpeedsWeight
No.(Min Inner Ring)(Min Out Ring)CrCoraGreaseOilKg

mmmmmmmmmmmmmmKNKNmmrpmrpmkg
3200420421515120.60.624.927.910.59500130000.097
3200525471515120.60.627.833.5128000110000.114
3200630551717131137.546.513.5690092000.166
3200735621818141141.552.515.5610081000.224
320084068191915115065.515530071000.273
3200945752020161157.576.516.5480064000.346
3201050802020161162.58817.5440060000.366
3201155902323181.51.580.511820400054000.563
3201260952323181.51.58212321370050000.576
32013651002323181.51.58312822.5340046000.63
32014701102525191.51.510516024320043000.848
32015751152525191.51.510616725.5300040000.909
32016801252929221.51.513921627280037001.28
32017851302929221.51.514222428.5260036001.35
320189014032322421.516827030250033001.79
320199514532322421.517128031.5240032001.83
3202010015032322421.517028132.5220030001.91
320211051603535262.5220434034.3210028002.48
320221101703838292.5223639035.9200027003.09
320241201803838292.5224542039.7180025003.27
320261302004545342.5232054543.9170022005.06
Nominal Bearing DimensionsPreferred Shoulder DiametersBasic LoadEffective LoadLimiting
BearingdDTBCr1r2RatingsCenterSpeedsWeight
No.(Min Inner Ring)(Min Out Ring)CrCoraGreaseOilKg

mmmmmmmmmmmmmmKNKNmmrpmrpmkg
32203174017.2516141127.328.311.59900132000.102
32204204719.2518151136.539.512.58800120000.16
32205255219.25181611424714730098100.187
32206306221.2520171154.56415.5630084000.301
32207357224.2523191.51.572.58717.5550074000.457
32208408024.7523191.51.579.593.519490066000.558
32209458524.7523191.51.58210020440060000.607
32210509024.7523191.51.587.510921400053000.648
322115510026.75252121.510813422.5360050000.876
322126011029.75282421.513016425340045001.18
322136512032.75312721.515920627310042001.58
322147012533.25312721.516622028.5290040001.68
322157513033.25312721.516822430280038001.74
322168014035.2533282.5219926531260034002.18
322178515038.536302.5222430033.5240032002.75
322189016042.540342.5226236036220030003.49
322199517045.5433732.529941539220028004.3
3222010018049463932.533046541.5200027005.12
3222110519053504332.538054044.8190025006.25
3222211020056534632.542060547.2180024007.35
3222412021561.5585032.546068052170022009