SHANGHAI YONG-XING BEARING MANUFACTURING CO.,LTD

	With Inner Ring
	Without Inner Ring
	Heavy Duty Full Complement

Heavy Duty Needle Roller Bearings Without Inner Ring

NK
NKS
RNA49...
RNA69...

Stud dia. 10~80mm

Shaft Diameter	Bearing Designation and Approx Mass			Boundary Dimensions			Basic Load Rating		Limiting Speed	Shaft Diameter	Bearing Designation and Approx Mass			Boundary Dimensions			Basic Load Rating		Limiting peed
	Bearing Designation and Approx Mass			Boundary Dimensions			Basic Load Rating		Limiting Speed		Bearing Designation and Approx Mass			Boundary Dimensions			Basic Load Rating		Limiting peed
	Current	Substituted	Mass (Ref.)	Fw	D	C	Cr Dynamic	Cor Static	Grease		Current	Substituted	Mass (Ref.)	Fw	D	C	Cr Dynamic	Cor Static	Grease
			Mass (Ref.)	Fw	D	C	Cr Dynamic	Cor Static	Grease				Mass (Ref.)	Fw	D	C	Cr Dynamic	Cor Static	Grease
mm			g	mm			N		rpm	mm			g	mm			N		rpm
10		5624097	16.6	10	17	15	4860	7100	23500	30	NK30/20	644805	58	30	40	20	20600	32000	12066
12	NK12/12	644097	11.8	12	19	12	6050	6400	21640		NK30/30		95	30	40	30	31500	50000	14500
		5624098	15.4	12	19	15	6400	7100	21640		RNA4905	4624905	57	30	42	17	13452	20475	12066
	NK12/16		16.8	12	19	16	8200	9800	21640		RNA6905	6634905	106.5	30	42	30	26300	31750	12066
14	NK14/16	4624900K	20.8	14	22	16	8260	9600	18322			624905K	68	30	42	20	15400	24500	12066
	NKS14		27	14	25	16	10400	10800	17652	32	NK32/20	624705	75.4	32	42	20	17500	33500	12066
	RNA4900	4624900	24.4	14	22	13	8060	9000	18322			644906	42	32	38	11	10750	30500	12000
	RNA6900	6634900	29.1	14	22	22	8281	11612	18322			644706	193	32	50	35	40500	63000	12000
15	NK15/12	644800K	18.5	15	23	12	8600	10070	21004	35	NK35/20	644806	70	35	45	20	13851	26900	12000
16	NK16/16		20.8	16	24	16	9030	11900	15522		RNA4906	4624906	62.8	35	47	17	17000	30500	12000
	NK16/20	624701	23.9	16	24	20	10400	16800	15522		RNA6906	6634906	116	35	47	30	35000	67000	12000
	RNA4901	4624901	16.6	16	24	13	6400	8900	15522			644907	161	35	51	32	43500	71000	11680
	RNA6901	6634901	28.7	16	24	22	14000	18600	15522	40	NK40/20		79	40	50	20	19600	43000	8881
	NKS16		30	16	28	16	14900	15000	20000	40	NK40/30		120	40	50	30	22200	51350	8881
20	NK20/16	644802	25.7	20	28	16	11500	13400	12716	42	NK42/20		83	42	52	20	23900	45000	10000
	NK20/20	634802	29.3	20	28	20	12400	21800	12716		NK42/30		125	42	52	30	27000	49000	10000
	NKS20		46.8	20	32	20	20000	22000	18000		RNA4907	4624907	99.3	42	55	20	19800	41500	8710
	RNA4902	4624902	20.5	20	28	13	10800	12800	12716		RNA6907	6634907	160	42	55	36	26000	60500	8710
	RNA6902	6634902	35.4	20	28	23	13000	25000	12716			644708	148	42	65	22	31500	51000	8710
22	NK22/16		29.2	22	30	16	13500	18000	11527	45	NK45/20	644808	81.5	45	55	20	19800	46500	7650
	NKS22		60.2	22	35	20	21500	25000	17000	45		624708	75.3	45	55	22	20500	49600	7650
	RNA4903	4624903	20.7	22	30	13	12000	16800	16300	48	RNA4908	4624908	132	48	62	22	31036	63873	8120
	RNA6903	6634903	39.8	22	30	23	14000	19900	16300	48	RNA6908	6634908	238	48	62	40	64000	112000	8120
		624703	53	22	35	25	24500	28000	148187	50	NK50/25		167	50	62	25	28000	67000	8140
		644704	27.4	22	28	16	10500	15050	15172		NK50/35		236	50	62	35	32000	70100	8140
25	NK25/16	624904	30	25	33	16	12900	20400	15000			624708K	328	50	65	34	40000	62000	8140
	NK25/20	644804	38.4	25	33	20	16800	28500	15000	52	RNA4909	4624909	163	52	68	22	37000	69500	7625
	RNA4904	4624904	50.8	25	37	17	11912	16594	14060	52	RNA6909	6634909	308	52	68	40	61500	123500	7625
	RNA6904	6634904	97.7	25	37	30	26000	43000	14060	55	NK55/25		167	55	68	25	30600	60800	7625
	NKS25		65	25	38	20	25800	31000	16300	55		624709	210	55	68	25	36000	68000	7625
		624704	100.1	25	35	25	14900	22400	14060	58	RNA4910	4624910	161	58	72	22	41000	72000	7500
		644804K	63	25	33	30	18800	30500	14060	58	RNA6910	6634910	296	58	72	40	68000	135000	7500