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Needle roller bearings

Needle roller bearing is a bearing with cylindrical roller. The diameter of cylindrical roller is smaller than its length. The improved roller / raceway profile prevents stress peaks, thereby extending the service life of the bearing.

Basic dimensions							Basic load rating		Speed ratings		Mass	Model
							dynamic	static	Reference speed	Limiting speed		Bearing No.
Fw [mm]	d [mm]	Ew [mm]	D [mm]	B [mm]	C [mm]	U [mm]	C [kN]	C0 [kN]	[r/min]	[r/min]	[kg]
20		24				17	11.25	18.72	18000	19800	0.012	K 20X24X17 Bearing
20		26				12	11.52	14.67	17100	19800	0.011	K 20X26X12 Bearing
20		26				13	12.42	16.2	17100	19800	0.012	K 20X26X13 Bearing
20		26				17	16.47	23.4	17100	19800	0.016	K 20X26X17 Bearing
20		26				20	18.09	26.1	17100	19800	0.019	K 20X26X20 Bearing
20		28				16	17.1	20.16	16200	18000	0.02	K 20X28X16 Bearing
20		28				20	20.61	25.65	16200	18000	0.027	K 20X28X20 Bearing
20		28				25	26.28	35.1	16200	18000	0.032	K 20X28X25 Bearing
20		30				30	30.69	37.35	15300	18000	0.049	K 20X30X30 Bearing
21		25				13	8.712	13.77	17100	19800	0.009	K 21X25X13 Bearing
22		26				10	7.92	12.33	16200	18000	0.008	K 22X26X10 Bearing
22		26				13	9.09	14.67	16200	18000	0.01	K 22X26X13 Bearing
22		26				17	11.88	20.52	16200	18000	0.012	K 22X26X17 Bearing
22		28				17	16.47	24.3	15300	18000	0.018	K 22X28X17 Bearing
22		29				16	17.46	22.95	15300	17100	0.016	K 22X29X16 Bearing
22		30				15	17.1	21.24	15300	17100	0.018	K 22X30X15 TN Bearing
22		32				24	28.71	36	14400	16200	0.043	K 22X32X24 Bearing
23		35				16	21.78	20.88	13500	15300	0.029	K 23X35X16 TN Bearing
24		28				10	8.415	13.5	15300	17100	0.009	K 24X28X10 Bearing
24		28				13	9.54	16.2	15300	17100	0.01	K 24X28X13 Bearing
24		28				17	12.6	22.95	15300	17100	0.013	K 24X28X17 Bearing
24		30				17	16.83	24.75	14400	16200	0.019	K 24X30X17 Bearing
25		29				10	8.568	14.04	14400	16200	0.009	K 25X29X10 Bearing
25		29				13	9.72	16.74	14400	16200	0.011	K 25X29X13 Bearing
25		29				17	12.78	23.85	14400	16200	0.014	K 25X29X17 Bearing
25		30				17	16.11	27.45	14400	16200	0.016	K 25X30X17 Bearing
25		30				20	18.81	32.85	14400	16200	0.018	K 25X30X20 Bearing
25		31				17	16.83	25.65	14400	16200	0.019	K 25X31X17 Bearing
25		31				21	20.97	34.2	14400	16200	0.02	K 25X31X21 Bearing
25		32				16	17.82	24.75	13500	15300	0.021	K 25X32X16 Bearing