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

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轴径	型号	重量					基本额定载荷		极限转速
Shaft	Designation	Mass					Basic Load Ratings		Limiting
Diameter			Fw	D	C	r	动  Cr	静  Cor	Speed
							Dynamic	Static
mm		g				min.	kN	kN	rpm
20	NKS 20	48	20	32	20	0.6	23.0	25.0	14000
22	NKS 22	61	22	35	20	0.6	24.5	28.0	13000
24	NKS 24	65	24	37	20	0.6	30.0	34.7	12000
25	NKS 25	68	25	38	20	0.6	27.5	33.5	11000
28	NKS 28	83	28	42	20	0.6	25.8	33.5	10000
30	NKS 30	104	30	45	22	0.6	32.5	40.0	10000
32	NKS 32	110	32	47	22	0.6	30.8	43.9	9500
35	NKS 35	118	35	50	22	0.6	35.0	47.0	9500
37	NKS 37	123	37	52	22	0.6	32.8	50.0	8500
40	NKS 40	129	40	55	22	0.6	33.6	52.4	7500
43	NKS 43	139	43	58	22	0.6	35.5	57.8	7500
45	NKS 45	145	45	60	22	0.6	40.3	63.5	7000
50	NKS 50	157	50	65	22	1.0	38.0	66.1	6500
55	NKS 55	221	55	72	22	1.0	42.4	72.1	6000
60	NKS 60	335	60	80	28	1.1	51.7	100.0	5500
65	NKS 65	356	65	85	28	1.1	53.0	105.0	5000
70	NKS 70	380	70	90	28	1.1	54.5	113.0	4900
75	NKS 75	402	75	95	28	1.1	57.0	122.0	4600

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.