NK-Bearings-Changsha Terry Machinery Co.Ltd

NK

Needle Roller Bearing-Needle Roller Bearing ( Machined )

Product Details

Shaft	Bearing Designation	Boundary Dimensions				Basic Load Ratings		Limiting
Diameter		Boundary Dimensions				Basic Load Ratings		Speed
		FW	D	C	rS			Oil
		FW	D	C	rS	C	Co	Oil
mm		mm			Min.	N		rpm
5	NK 5/10 TN	5	10	10	0.15	2350	1920	39000
5	NK 5/12 TN	5	10	12	0.15	3000	2650	39000
6	NK 6/10 TN	6	12	10	0.15	2600	2280	37000
6	NK 6/12 TN	6	12	12	0.15	3350	3150	37000
7	NK 7/10 TN	7	14	10	0.3	2850	2650	34000
7	NK 7/12 TN	7	14	12	0.3	3650	3600	34000
8	NK 8/12 TN	8	15	12	0.3	3950	4100	32000
	NK 8/16 TN	8	15	16	0.3	5100	5800	32000
	NKS 8 TN	8	16	13	0.3	5000	4700	32000
9	NK 9/12 TN	9	16	12	0.3	4500	5000	31000
9	NK 9/16 TN	9	16	16	0.3	5900	7100	31000
10	NK 10/12 TN	10	17	12	0.3	4750	5500	29000
	NK 10/16 TN	10	17	16	0.3	6200	7800	29000
	NKS 10 TN	10	19	13	0.3	5800	6000	29000
12	NK 12/12	12	19	12	0.3	6400	7100	27000
	NK 12/16	12	19	16	0.3	9000	11000	27000
	NKS 12 TN	12	22	16	0.6	9600	10400	26000
14	NK 14/16	14	22	16	0.3	10100	11500	25000
	NK 14/20	14	22	20	0.3	12800	15600	25000
	NKS 14	14	25	16	0.6	14400	13800	24000
	RNA 4900	14	22	13	0.3	8500	9200	25000
15	NK 15/16	15	23	16	0.3	10700	12700	24000
	NK 15/20	15	23	20	0.3	13600	17200	24000
	NKS 15	15	26	16	0.6	14400	14000	23000
16	NK 16/16	16	24	16	0.3	11300	13900	23000
	NK 16/20	16	24	20	0.3	14400	18800	23000
	NKS 16	16	28	16	0.6	15700	15800	22000
	RNA 4901	16	24	13	0.3	9400	10900	23000
	RNA 6901	16	24	22	0.3	16000	21600	23000
17	NK 17/16	17	25	16	0.3	11900	15000	23000
17	NK 17/20	17	25	20	0.3	15100	20400	23000
18	NK 18/16	18	26	16	0.3	12500	16200	22000
	NK 18/20	18	26	20	0.3	15800	22000	22000
	NKS 18	18	30	16	0.6	16800	17700	21000
19	NK 19/16	19	27	16	0.3	13000	17400	22000
19	NK 19/20	19	27	20	0.3	16500	23600	22000
20	NK20/16	20	28	16	0.3	13000	17500	21000
	NK20/20	20	28	20	0.3	16400	23800	21000
	NKS 20	20	32	20	0.6	23000	25000	20000
	RNA4902	20	28	13	0.3	10600	13600	21000
	RNA6902	20	28	23	0.3	17300	25500	21000
21	NK21/16	21	29	16	0.3	13500	18700	21000
21	NK21/20	21	29	20	0.3	17100	25500	21000
22	NK22/16	22	30	16	0.3	14000	19900	20000
	NK22/20	22	30	20	0.3	17700	27000	20000
	NKS 22	22	35	20	0.6	24500	28000	18000
	RNA4903	22	30	13	0.3	11000	14600	20000
	RNA6903	22	30	23	0.3	18600	29000	20000
24	NK24/16	24	32	16	0.3	15000	22300	18000
	NK24/20	24	32	20	0.3	19000	30500	18000
	NKS24	24	34	20	0.6	26000	31000	17000
25	NK25/16	25	33	16	0.3	14900	22400	18000
	NK25/20	25	33	20	0.3	18800	30500	18000
	NKS 25	25	38	20	0.6	27500	33500	17000
	RNA4904	25	37	17	0.3	21000	25500	17000
	RNA6904	25	37	30	0.3	36000	51000	17000
26	NK26/16	26	34	16	0.3	15300	23600	17000
26	NK26/20	26	34	20	0.3	19400	32000	17000
28	NK28/20	28	37	20	0.3	22000	34000	16000
	NK28/30	28	37	30	0.3	33000	57000	16000
	NKS28	28	42	20	0.6	28500	36500	15000
	RNA49/22	28	39	17	0.3	22800	29500	15000
	RNA69/22	28	39	30	0.3	37500	55000	15000
29	NK29/20	29	38	20	0.3	21900	34000	15000
29	NK29/30	29	38	30	0.3	32500	57000	15000
30	NK30/20	30	40	20	0.3	22600	36000	15000
	NK30/30	30	40	30	0.3	33500	60000	15000
	NKS30	30	45	22	0.6	32000	40000	14000
	RNA4905	30	42	17	0.3	23600	31500	14000
	RNA6905	30	42	30	0.3	39000	59000	14000
32	NK32/20	32	42	20	0.3	23100	37500	14000
	NK32/30	32	42	30	0.3	34500	63000	14000
	NKS32	32	47	22	0.6	33500	43500	13000
	RNA49/28	32	45	17	0.3	24400	33500	14000
	RNA69/28	32	45	30	0.3	40500	63000	14000
35	NK 35/20	35	45	20	0.3	24300	41500	13000
	NK 35/30	35	45	30	0.3	36500	69000	13000
	NKS35	35	50	22	0.6	35000	47000	12000
	RNA4906	35	47	17	0.3	25000	35500	13000
	RNA6906	35	47	30	0.3	43500	71000	13000
37	NK 37/20	37	47	20	0.3	24900	43500	12000
	NK 37/30	37	47	30	0.3	37000	73000	12000
	NKS37	37	52	22	0.6	36500	50000	12000
38	NK 38/20	38	48	20	0.3	25500	45000	12000
38	NK 38/30	38	48	30	0.3	38000	76000	12000
40	NK 40/20	40	50	20	0.3	26000	47000	11000
	NK 40/30	40	50	30	0.3	39000	79000	11000
	NKS40	40	55	22	0.6	38000	54000	11000
	RNA49/32	40	52	20	0.6	30500	47500	11000
	RNA69/32	40	52	36	0.6	47000	82000	11000
42	NK 42/20	42	52	20	0.3	26500	49000	11000
	NK 42/30	42	52	30	0.3	39500	82000	11000
	RNA4907	42	55	20	0.6	31500	50000	11000
	RNA6907	42	55	36	0.6	48000	86000	11000
43	NK 43/20	43	53	20	0.3	27000	51000	11000
	NK 42/30	43	53	30	0.3	40500	85000	11000
	NKS43	43	58	22	0.6	39000	57000	10000
45	NK 45/20	45	55	20	0.3	27500	53000	10000
	NK 45/30	45	55	30	0.3	41000	88000	10000
	NKS45	45	60	22	0.6	40500	60000	10000
47	NK 47/20	47	57	20	0.3	28500	56000	10000
47	NK 47/30	47	57	30	0.3	43000	94000	10000
48	RNA4908	48	62	22	0.6	43000	67000	9000
48	RNA6908	48	62	40	0.6	66000	116000	9000
50	NK 50/25	50	62	25	0.6	38000	74000	9000
	NK 50/35	50	62	35	0.6	55000	106000	9000
	NKS50	50	65	22	1	42500	67000	9000
52	RNA4909	52	68	22	0.6	45000	73000	8500
52	RNA6909	52	68	40	0.6	69000	127000	8500
55	NK 55/25	55	68	25	0.6	40000	82000	8500
	NK 55/35	55	68	35	0.6	53000	118000	8500
	NKS55	55	72	22	1	45000	74000	8000
58	RNA4910	58	72	22	0.6	47000	80000	8000
58	RNA6910	58	72	40	0.6	73000	139000	8000
60	NK 60/25	60	72	25	0.6	42000	90000	7500
	NK 60/35	60	72	35	0.6	56000	130000	7500
	NKS60	60	80	28	1.1	63000	98000	7500
63	RNA4911	63	80	25	1	58000	100000	7000
63	RNA6911	63	80	45	1	90000	176000	7000
65	NK 65/25	65	78	25	0.6	44000	98000	7000
	NK 65/35	65	78	35	0.6	59000	142000	7000
	NKS65	65	85	28	1.1	67000	108000	7000
68	NK 68/25	68	82	25	0.6	43500	89000	7000
	ML 68/35	68	82	35	0.6	62000	139000	7000
	RNA4912	68	85	25	1	60000	108000	6500
	RNA6912	68	85	45	1	94000	191000	6500
70	NK 70/25	70	85	25	0.6	44500	92000	6500
	NK 70/35	70	85	35	0.6	63000	144000	6500
	NKS70	70	90	28	1.1	68000	113000	6500
72	RNA4913	72	90	25	1	61000	112000	6500
72	RNA6913	72	90	45	1	95000	198000	6500
73	NK 73/25	73	90	25	1	53000	100000	6500
73	NK 73/35	73	90	35	1	75000	156000	6500
75	NK 75/25	75	92	25	1	54000	104000	6000
	NK 75/35	75	92	35	1	77000	162000	6000
	NKS75	75	95	28	1.1	71000	123000	6000
80	NK 80/25	80	95	25	1	56000	119000	6000
	NK 80/35	80	95	35	1	78000	184000	6000
	NKS80	80	100	28	1.1	75000	133000	5500
	RNA4914	80	100	30	1	84000	156000	5500
	RNA6914	80	100	54	1	128000	265000	5500
85	NK 85/25	85	105	25	1	69000	123000	5500
	NK 85/35	85	105	35	1	98000	193000	5500
	RNA4915	85	105	30	1	86000	162000	5500
	RNA6915	85	105	54	1	130000	275000	5500
90	NK 90/25	90	110	25	1	72000	132000	5000
	NK 90/35	90	110	35	1	103000	208000	5000
	RNA4916	90	110	30	1	89000	174000	5000
	RNA6916	90	110	54	1	135000	300000	5000
95	NK 95/26	95	115	26	1	73000	137000	4800
95	NK 95/36	95	115	36	1	107000	223000	4800

TN=plastic retainer, permissible operational temperature 120℃, 150℃for temporary use ,180℃ for short time only

1)for grease lub, the permissible value should be 60% of those in the list

with retaining ring, no lubricating holes or grooves, please add ASR1 before the bearing code if oil holes or

grooves are needed for your products.

NK

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