Bearing	Mass	Dimensions					Basic Load Ratings		Limiting
Type		d	F	D	B	r	Cr	Cor	Speed
							Dynamic	Static
	g					min.	kN	kN	rpm
NA 6901	46	12	16	24	22	0.3	15.4	20	16000
NA 6902	63	15	20	28	23	0.3	17.3	28.6	13000
NA 6903	72	17	22	30	23	0.3	20.7	32.3	11000
NA 6904	141	20	25	37	30	0.3	37.5	52.6	10000
NA 69/22	150	22	28	39	30	0.3	37.5	55	9000
NA 6905	161	25	30	42	30	0.3	42.7	65.4	9000
NA 69/28	182	28	32	45	30	0.3	40.5	63	8500
NA 6906	192	30	35	47	30	0.3	45.6	74.4	7500
NA 69/32	288	32	40	52	36	0.6	47	82	7000
NA 6907	310	35	42	55	36	0.6	49.3	87.2	7000
NA 6908	430	40	48	62	40	0.6	66.9	115.5	6000
NA 6909	495	45	52	68	40	0.6	70.9	127.4	5500
NA 6910	515	50	58	72	40	0.6	70.7	131.7	4900
NA 6911	780	55	63	80	45	1	81.2	171.3	4700
NA 6912	808	60	68	85	45	1	91	178.9	4300
NA 6913	833	65	72	90	45	1	95	193	4100
NA 6914	1340	70	80	100	54	1	131	268.5	3800
NA 6915	1450	75	85	105	54	1	148	320	3500
NA 6916	1522	80	90	110	54	1	138.9	300.9	3200
NA 6917	2200	85	100	120	63	1.1	169.3	401.7	2800
NA 6918	2310	90	105	125	63	1.1	178	417	2600
NA 6919	2500	95	110	130	63	1.1	177	440	2500
NA 6920	2618	100	115	140	71	1.1	222	513.4	2200
Note:
1.These load, speed and mass is reference of choice only.
2.With grease lubrication, 60% of these limiting speed will apply.