Custom NA Series Needle Roller Bearing Manufacturers, Factory

NA Series

NA series needle roller bearings are a high-performance bearing type mainly used to bear large radial loads. Its design uses slender needle rollers to provide greater load capacity in a smaller space. Such bearings are widely used in mechanical engineering, automotive, aerospace and other fields. The NA series is characterized by good wear resistance and pressure resistance, and can operate stably in high-speed and high-temperature environments. In addition, NA series needle roller bearings have a simple structure, easy installation and low maintenance costs. Through optimized design, this bearing can also effectively reduce friction and improve work efficiency. Overall, NA series needle roller bearings are ideal for efficient, reliable operation and are suitable for a variety of industrial applications.

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Bearing Designation		Shaft Diameter（mm）	Weight(Kg)	Boundary Dimensions(mm)					Basic Load Rating(N)		Limiting Speed(rpm)
Current Code	Original Code	Shaft Diameter（mm）	Weight(Kg)	d	Fw	D	C	B	Dynamic	Static	Oil
NA495		5	7	5		13		10	2670	2350	34000
NA495TN		5	7	5		13		10	2670	2350	34000
NA496		6	9	6		15		10	3150	3000	32000
NA497		7	12	7		17		10	3600	3650	30000
NA498		7	16	8		19		11	4300	3950	28000
NA499		7	17	9		20		11	4850	4900	26000
NA4900	4524900	7	21	10	14	22		13	8000	9000	23700
NA6900	6534900	7	38.4	10	14	22		22	9000	11000	23700
NA4900RS	NA4900-2RS	10	24.5	10	14	22	13	14	4560	4660	13000
NA4901RS	NA4901-2RS	12	27.5	12	16	24	13	14	4950	5800	12000
NA6901-2RS	RNA6901-2RS	12		12	16	24	22	23
NA4901	4524901	12	25.1	12	16	24		13	9000	10800	20000
NA6901	6534901	12	44.5	12	16	24		22	6000	21600	20000
NA12X32X15V		12		12		32		15
NA4902	4924902	12	32	15	20	28		13	6400	9000	18000
NA6902	6534902	12	61.6	15	20	28		23	13100	20900	18000
NA5902		12	52	15	20	28		18
NAI53212		12		15		32		12
NA16X36X24		12		16		36		24
NA4903	4544903	12	32.8	17	22	30		13	7000	10000	17000
NA6903	6534903	12	68.2	17	22	30		23	14400	24900	17000
NA5903		12	56	17	22	30		18	15200	21700	18000
NA17		12		17		37		20
NA4904	4524904	12	70.2	20	25	37		17	21000	25000	17000
NA6904	6254904	12		20	25	37		30	36000	51000	17000
NA5904		12		20	25	37		23
NA49/22		12	76	22	28	39		17	22000	29500	15000
NA69/22		12	130	22	28	39		30	37500	55000	15000
NA223934		12		22	28	39		34
NA4902RS	NA4902-2RS	15	37	15	20	28	13	14	5980	9500	10000
NA4903RS	NA4903-2RS	17	40	17	22	30	13	14	6050	10100	9000
NA6903-2RS	RNA6903-2RS	17		17	22	30	23	24
NA4904RS	NA4904-2RS	20	80	20	25	37	17	18	14900	17500	7500
NA6904-2RS	RNA6904-2RS	20		20	25	37	30	31
NA2020		23		23		42		22
NA4905	4524905	23	76	25	30	42		17	23600	31500	14000
NA6905	6534905	23	138	25	30	42		30	29000	59000	14000
NA5905		23	139	25	30	42		23	30500	43000	13000
NA4905RS	NA4905-2RS	25	89.5	25	30	42	17	18	16300	21500	6500
NA6905-2RS	RNA6905-2RS	25		25	30	42	30	31
NA49/28	45449/28	28	98	28	32	45		17	24000	33500	14000
NA69/28		28	170	28	32	45		30	40500	63000	14000
NA4906RS	NA4906-2RS	30	104	30	35	47	17	18	20050	24900	5500
NA4906	4544906	30	115	30	35	47		17	25000	35500	13000
NA5906	6534906	30	152	30	35	47		23
NA6906		30		30	35	47		30	43500	71000	13000
NA49/32	45449/32	30	150	32	40	52		20	24900	43500	12000
NA69/32	66349/32	30	272	32	40	52		36	100000	100000	11000
NA4907	4524907	30	151	35	42	55		20	19800	41500	11000
NA6907	6534907	30	301	35	42	55		36	26000	60500	11000
NA5907		30	256	35	42	55		27
NA4908	4544908	30	240	40	48	62		22	42000	65000	8500
NA6908		30	401	40	48	62		40	64000	112000	8500
NA5908		30	348	40	48	62		30	53000	92500	8500
NA4909	4544909	30	260	45	50	68		22	37000	96500	8000
NA6909	6534909	30	479	45	50	68		40	61500	123500	8000
NA5909		30	396	45	50	68		30
NA4910	4544910	30	264	50	58	72		22	41000	72000	7500
NA5910		30		50	58	72		30
NA6910	6534910	30	457	50	58	72		40	68000	135000	7500
NA4911	4544911	30	386	55	63	80		25	50600	96580	7500
NA5911		30		55	63	80		34
NA6911	6534911	30	790	55	63	80		45	82560	172000	7500
NA4912	4544912	30	412	60	68	85		25	52800	110500	6500
NA5912		30	614	60	68	85		34
NA6912	6534612	30	798	60	68	85		45	88500	186000	6500
NA4907RS	NA4907-2RS	35	175	35	42	55	20	21	22500	37000	4800
NA4908RS	NA4908-2RS	40	252	40	48	62	22	23	33050	50900	4200
NA6908-2RS	RNA6908-2RS	40		40	48	62	40	41
NA4909RS	NA4909-2RS	45	290	45	52	68	22	23	34800	56800	3900
NA4910RS	NA4910-2RS	50	295	50	58	72	22	23	37800	61500	3500
NA4911RS	NA4911-2RS	55	392	55	63	80	24	25
NA4912RS	NA4912-2RS	60	426	60	68	85	25	26
NA4913	4544913	65	435	65	72	90		25	57500	110500	6500
NA6913	6534913	65	821	65	72	90		45	87600	194500	6500
NA4914RS	NA4914-2RS	70	728	70	80	100	31	32	84000	15600	3000
NA4914	4544914	70	712	70	80	100		30	79000	154000	5500
NA6914	6534914	70	1326	70	80	100		54	121000	263000	5500
NA4915	4544915	75	765	75	85	105		30	82000	158000	5500
NA5915		75	1130	75	85	105		40
NA6915	6534915	75	1429	75	85	105		54	128000	272000	5500
NA4916	4544916	80	870	80	90	110		30	81000	170500	5500
NA6916	6534916	80	1510	80	90	110		54	130500	280600	5000
NA4917	4544917	80	1250	85	100	120		35	111000	237000	4600
NA6917	6534917	80	2200	85	100	120		63	166000	400000	4600
NA4918	4544918	80	1312	90	105	125		35	114000	250000	4600
NA6918	6534918	80	2310	90	105	125		63	172000	425000	4600
NA4919	4544919	95	1371	95	110	130		35	116000	260000	4200
NA6919	6534919	95	2500	95	110	130		63	174000	440000	4200
NA4920	4544920	100	1900	100	115	140		40	12000	274000	4000
NA4922	4544922	110	2070	110	125	150		40	132000	290000	3700
NA4822		110	1080	110	120	140		30	94000	216000	3900
NA4924	4544924	120	2860	120	135	165		45	181000	890000	3400
NA4824		120	1170	120	130	150		30	99000	239000	3600
NA4926	4544926	130	3900	130	150	180		50	223000	470000	3100
NA4826		130	1810	130	145	165		35	118000	310000	3200
NA4928	4544928	140	4150	140	160	190		50	209000	500000	2900
NA4828		140	1920	140	155	175		35	120000	325000	3000
NA4830		150	2720	150	165	190		40	152000	400000	2800
NA4832		160	2890	160	175	200		40	160000	435000	2700
NA4834		170	3960	170	185	215		45	185000	510000	2500
NA4836		180	4200	180	195	225		45	194000	550000	2400
NA4838		190	5600	190	210	240		50	227000	690000	2300
NA4840		200	5840	200	220	250		50	230000	720000	2200
NA4844		220	6380	220	240	270		50	243000	790000	2000
NA4848		240	10000	240	265	300		60	355000	1080000	1800
NA4852	4524852	260	11300	260	285	320		60	37000	1160000	1700

NA Series

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