NATR Series

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Descriptions and Technical Parameters

Needle roller bearings are bearings with cylindrical rollers that are small in diameter relative to their length. The modified roller/raceway profile prevents stress peaks to extend bearing service life.

Inquiry	Bearing Designation		Outer Diameter （mm）	Bearing Designation		Boundary Dimensions（mm）						Basic Load Ratings(N)				Limiting Speed
Inquiry	Without Seal	With Seal	Outer Diameter （mm）	Without Seal	With Seal	D	d	B	C	E	rs min	C	Co	Cw	Cow	Limiting Speed
	NATV 5	NATV 5 PP	16	NATV 5	NATV 5 PP	5	16	12	11	0.15	12	6400	8500	4850	6500	8500
	NATR 5	NATR 5 PP	16	NATR 5	NATR 5 PP	5	16	12	11	0.15	12	3800	3750	3150	3300	22000
	NATV 6	NATV 6 PP	19	NATV 6	NATV 6 PP	6	19	12	11	0.15	14	7300	10800	5500	7900	7000
	NATR 6	NATR 6 PP	19	NATR 6	NATR 6 PP	6	19	12	11	0.15	14	4250	4600	3500	3900	20000
	NATV 8	NATV 8 PP	24	NATV 8	NATV 8 PP	8	24	15	14	0.3	19	10400	15600	7800	11400	5500
	NATR 8	NATR 8 PP	24	NATR 8	NATR 8 PP	8	24	15	14	0.3	19	6800	7700	5500	6400	15000
	NATV 10	NATV 10 PP	30	NATV 10	NATV 10 PP	10	30	15	14	0.6	23	12200	19000	9500	14600	4500
	NATR 10	NATR 10 PP	30	NATR 10	NATR 10 PP	10	30	15	14	0.6	23	8100	9700	6800	8400	11000
	NATR 12	NATR 12 PP	32	NATR 12	NATR 12 PP	12	32	15	14	0.6	25	8700	11000	6900	8800	9000
	NATV 12	NATV 12 PP	32	NATV 12	NATV 12 PP	12	32	15	14	0.6	25	13200	21700	9700	15400	3900
	NATV 15	NATV 15 PP	35	NATV 15	NATV 15 PP	15	35	19	18	0.6	27	18300	35000	12800	23000	3400
	NATR 15	NATR 15 PP	35	NATR 15	NATR 15 PP	15	35	19	18	0.6	27	12900	19000	9700	14100	7000
	NATV 17	NATV 17 PP	40	NATV 17	NATV 17 PP	17	40	21	20	1	32	21000	39500	14800	26500	2900
	NATR 17	NATR 17 PP	40	NATR 17	NATR 17 PP	17	40	21	20	1	32	14200	20400	10900	15500	6000
	NATV 20	NATV 20 PP	47	NATV 20	NATV 20 PP	20	47	25	24	1	37	28000	59000	20600	42000	2600
	NATR 20	NATR 20 PP	47	NATR 20	NATR 20 PP	20	47	25	24	1	37	19500	32000	15500	25500	4900
	NATV 25	NATV 25 PP	52	NATV 25	NATV 25 PP	25	52	25	24	1	42	31000	72000	20500	44000	2100
	NATR 25	NATR 25 PP	52	NATR 25	NATR 25 PP	25	52	25	24	1	42	21200	38000	15400	26500	3600
	NATV 30	NATV 30 PP	62	NATV 30	NATV 30 PP	30	62	29	28	1	51	48500	108000	30500	63000	1700
	NATR 30	NATR 30 PP	62	NATR 30	NATR 30 PP	30	62	29	28	1	51	34000	59000	23600	38500	2600
	NATR 35	NATR 35 PP	72	NATR 35	NATR 35 PP	35	72	29	28	1.1	58	37000	69000	25500	44500	2000
	NATV 35	NATV 35 PP	72	NATV 35	NATV 35 PP	35	72	29	28	1.1	58	53000	127000	33000	73000	1400
	NATV 40	NATV 40 PP	80	NATV 40	NATV 40 PP	40	80	32	30	1.1	66	66000	159000	41000	90000	1300
	NATR 40	NATR 40 PP	80	NATR 40	NATR 40 PP	40	80	32	30	1.1	66	49000	94000	33000	59000	1700
	NATR 45	NATR 45 PP	85	NATR 45	NATR 45 PP	45	85	32	30	1.1	72	51000	101000	32500	59000	1500
	NATV 50	NATV 50 PP	90	NATV 50	NATV 50 PP	50	90	32	30	1.1	76	72000	191000	40500	93000	1000
	NATR 50	NATR 50 PP	90	NATR 50	NATR 50 PP	50	90	32	30	1.1	76	52000	108000	32000	59000	1300

NATR Series

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