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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]
3		5				7	1.359	1.206	36000	40500	0.0003	K 3X5X7 TN Bearing
3		5				9	1.512	1.377	36000	40500	0.0004	K 3X5X9 TN Bearing
3		6				7	1.278	0.918	34200	38700	0.0004	K 3X6X7 TN Bearing
4		7				10	2.061	1.71	32400	38700	0.001	K 4X7X10 TN Bearing
4		7				7	1.548	1.188	32400	38700	0.001	K 4X7X7 TN Bearing
5		8				10	2.628	2.43	32400	36000	0.001	K 5X8X10 TN Bearing
5		8				8	2.061	1.8	32400	36000	0.001	K 5X8X8 TN Bearing
6		9				10	2.97	2.88	30600	34200	0.001	K 6X9X10 TN Bearing
6		9				8	2.295	2.124	30600	34200	0.001	K 6X9X8 TN Bearing
7		10				10	3.222	3.375	28800	32400	0.001	K 7X10X10 TN Bearing
7		10				8	2.529	2.475	28800	32400	0.001	K 7X10X8 TN Bearing
7		9				7	1.512	1.647	30600	34200	0.001	K 7X9X7 TN Bearing
8		11				10	3.42	3.825	28800	32400	0.001	K 8X11X10 TN Bearing
8		11				13	4.509	5.265	28800	32400	0.002	K 8X11X13 TN Bearing
8		12				10	4.356	4.275	27000	30600	0.002	K 8X12X10 TN Bearing
9		12				10	3.96	4.68	27000	30600	0.002	K 9X12X10 TN Bearing
9		12				13	5.148	6.48	27000	30600	0.002	K 9X12X13 TN Bearing
10		13				10	4.113	5.13	25200	28800	0.002	K 10X13X10 TN Bearing
10		13				13	5.346	7.2	25200	28800	0.002	K 10X13X13 TN Bearing
10		13				16	6.138	8.55	25200	28800	0.003	K 10X13X16 TN Bearing
10		14				10	5.049	5.49	25200	28800	0.003	K 10X14X10 TN Bearing
10		14				13	6.489	7.65	25200	28800	0.005	K 10X14X13 TN Bearing
10		16				12	6.885	6.48	25200	28800	0.006	K 10X16X12 TN Bearing
12		15				10	4.257	5.58	23400	27000	0.003	K 12X15X10 TN Bearing
12		15				13	5.544	7.785	23400	27000	0.002	K 12X15X13 TN Bearing
12		16				13	6.885	8.55	23400	27000	0.004	K 12X16X13 TN Bearing
12		17				13	8.217	9.36	23400	27000	0.005	K 12X17X13 TN Bearing
12		18				12	8.568	9	23400	27000	0.006	K 12X18X12 TN Bearing
14		18				10	6.237	7.785	21600	25200	0.004	K 14X18X10 Bearing
14		18				13	7.128	9.18	21600	25200	0.007	K 14X18X13 Bearing