Bearing	Mass	Dimensions					Basic Load Ratings		Limiting
Type		d	F	D	B	r	Cr	Cor	Speed
							Dynamic	Static
	g					min.	kN	kN	rpm
NKIS 15	92	15	22	35	20	0.6	24.5	28	11000
NKIS 17	98	17	24	37	20	0.6	25.1	31	10000
NKIS 20	129	20	28	42	20	0.6	25.8	33.5	9000
NKIS 25	162	25	32	47	22	0.6	33.5	43.5	8500
NKIS 30	184	30	37	52	22	0.6	32.8	50	7500
NKIS 35	220	35	43	58	22	0.6	35.5	57.8	6500
NKIS 40	281	40	50	65	22	1	38	66.1	5500
NKIS 45	336	45	55	72	22	1	42.4	72.1	5500
NKIS 50	518	50	60	80	28	1.1	51.7	100	5000
NKIS 55	558	55	65	85	28	1.1	53	105	4700
NKIS 60	560	60	70	90	28	1.1	54.5	113	4500
NKIS 65	641	65	75	95	28	1.1	57	122	4200
Note:
1.These load, speed and mass is reference of choice only.
2.With grease lubrication, 60% of these limiting speed will apply.