无带内圈滚针轴承 Needle Roller Bearings without Inner Ring NKS 系列

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轴径 Shaft Diameter mm	型号 Designation	重量 Mass g	尺寸Dimensions				基本额定载荷 Basic Load Ratings		极限转速 Limiting Speed Rpm
			d	f	D	r min.	动 Cr Dynamic	静 Cor Static
			Mm				N
20	NKS20	48	20	32	20	0.6	23	25	19000
22	NKS22	61	22	35	20	0.6	24.5	28	17000
24	NKS24	65	24	37	20	0.6	26	31	16000
25	NKS25	68	25	38	20	0.6	27.5	33.5	16000
28	NKS28	83	28	42	20	0.6	28.5	36.5	14000
30	NKS30	104	30	45	22	0.6	32	40	13000
32	NKS32	110	32	47	22	0.6	33.5	43.5	12000
35	NKS35	118	35	50	22	0.6	35	47	12000
37	NKS37	123	37	52	22	0.6	36.5	50	11000
40	NKS40	129	40	55	22	0.6	38	54	1000
43	NKS43	139	43	58	22	0.6	39	57	9500
45	NKS45	145	45	60	22	0.6	40.5	60	9500
50	NKS50	157	50	65	22	1	42.5	67	8500
55	NKS55	221	55	72	22	1	45	74	7500
60	NKS60	335	60	80	28	1.1	63	98	7000
65	NKS65	356	65	85	28	1.1	67	108	6500
70	NKS70	380	70	90	28	1.1	68	113	6000
75	NKS75	402	75	95	28	1.1	71	123	6000

说明：

1、表中所列基本额定载荷、极限转速和重量，仅供选择参考用。

2、脂润滑时，极限转速为表列数值的60%。

Note:
1. These load, speed and mass is reference of choice only.
2. With grease lubrication, 60% of these limiting speed will apply.