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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]
25		33				20	24.75	34.2	13500	15300	0.033	K 25X33X20 Bearing
25		33				24	28.71	42.75	13500	15300	0.039	K 25X33X24 Bearing
25		35				30	40.14	55.8	13500	15300	0.065	K 25X35X30 Bearing
26		30				13	10.08	17.64	14400	16200	0.011	K 26X30X13 Bearing
26		30				17	13.23	24.75	14400	16200	0.015	K 26X30X17 Bearing
28		33				13	13.23	22.05	12600	14400	0.013	K 28X33X13 Bearing
28		33				17	17.1	30.15	12600	14400	0.017	K 28X33X17 Bearing
28		34				17	18.81	30.15	12600	14400	0.024	K 28X34X17 Bearing
28		35				16	18.45	27	12600	14400	0.024	K 28X35X16 Bearing
28		35				18	20.61	31.05	12600	14400	0.027	K 28X35X18 Bearing
28		40				25	38.61	49.5	11700	13500	0.07	K 28X40X25 Bearing
30		34				13	10.71	19.8	12600	13500	0.014	K 30X34X13 Bearing
30		35				13	13.59	22.95	11700	13500	0.014	K 30X35X13 Bearing
30		35				17	16.83	30.6	11700	13500	0.019	K 30X35X17 Bearing
30		35				27	26.28	54	11700	13500	0.03	K 30X35X27 Bearing
30		37				16	19.8	30.15	11700	13500	0.027	K 30X37X16 Bearing
30		37				18	22.59	35.1	11700	13500	0.03	K 30X37X18 Bearing
30		40				30	42.12	62.55	10800	12600	0.073	K 30X40X30 Bearing
32		37				13	13.23	22.95	11700	12600	0.018	K 32X37X13 Bearing
32		37				17	17.1	31.95	11700	12600	0.019	K 32X37X17 Bearing
32		37				27	25.74	54	11700	12600	0.03	K 32X37X27 Bearing
32		38				20	22.59	40.5	10800	12600	0.03	K 32X38X20 Bearing
32		39				16	20.61	31.95	10800	12600	0.037	K 32X39X16 Bearing
32		39				18	22.95	37.35	10800	12600	0.031	K 32X39X18 Bearing
32		40				25	32.22	52.65	10800	12600	0.049	K 32X40X25 Bearing
32		40				42	43.56	74.7	10800	12600	0.077	K 32X40X42 ZWTN Bearing
32		46				32	56.43	74.7	9900	11700	0.12	K 32X46X32 Bearing
35		40				13	13.86	25.2	10800	11700	0.019	K 35X40X13 Bearing
35		40				17	17.82	35.1	10800	11700	0.021	K 35X40X17 Bearing
35		40				25	25.29	54	10800	11700	0.031	K 35X40X25 Bearing