Bearing	Mass	Dimensions					Basic Load Ratings		Limiting
Type		d	F	D	B	r	Cr	Cor	Speed
							Dynamic	Static
	g					min.	kN	kN	rpm
NAV 4902	—	15	20	28	13	0.3	8.5	9.2	20000
NAV 4903	—	17	22	30	13	0.3	9.4	10.9	17000
NAV 4904	—	20	25	37	17	0.3	10.6	13.6	14000
NAV 4905	—	25	30	42	17	0.3	11	14.6	12000
NAV 4906	—	30	35	47	17	0.3	21	25.5	11000
NAV 4907	—	35	42	55	20	0.6	22.8	29.6	9500
NAV 4908	—	40	48	62	22	0.6	23.6	31.5	9500
NAV 4909	—	45	52	68	22	0.6	24.4	33.5	8500
NAV 4910	—	50	58	72	22	0.6	25	35.5	8000
NAV 4912	—	60	68	85	25	1	30.5	47.5	7000
NAV 4914	—	70	80	100	30	1	31.5	50	7000
NAV 4916	—	80	90	110	30	1	43	67	6000
NAV 4918	1507	90	105	125	35	1	45	73	5500
NAV 4919	1537	95	110	130	35	1.1	47	80	5000
NAV 4920	2240	100	115	140	40	1.1	58	100	4700
NAV 4922	—	110	125	150	40	1.1	60	108	4300
NAV 4924	—	120	135	165	45	1.1	61	112	4100
NAV 4926	4430	130	150	180	50	1.5	84	156	3700
Note:
1.These load, speed and mass is reference of choice only.
2.With grease lubrication, 60% of these limiting speed will apply.