Model-SKF Bearing

Designation	Principal dimensions			Basic load ratings		Speed ratings
Model				dynamic	static	Reference speed	Limiting speed
	d[mm]	D[mm]	B[mm]	C[kN]	C₀[kN]	[r/min]	[r/min]
NA 4904 RS	20	37	18	19.4	22.4		7500
NA 4904	20	37	17	21.6	28	15000	17000
NA 4904.2RS	20	37	18	19.4	22.4		7500
NAO 20x37x16	20	37	16	20.1	28	15000	17000
NA 6904	20	37	30	35.2	53	15000	17000
NKI 20/20	20	32	20	19	32.5	16000	19000
NKI 20/16	20	32	16	15.4	24.5	16000	19000
NAO 20x35x17	20	35	17	14.2	26.5	16000	18000
NKIS 20	20	42	20	28.6	39	13000	15000
NKI 22/20	22	34	20	19.4	34.5	15000	17000
NKI 22/16	22	34	16	15.7	26	15000	17000
NA 69/22	22	39	30	36.9	57	14000	15000
NA 49/22	22	39	17	23.3	32	14000	15000
NAO 25x42x32	25	42	32	38	67	13000	15000
NKI 25/20 TN	25	38	20	24.6	42.5	14000	15000
NA 4905	25	42	17	24.2	34.5	13000	15000
NKI 25/30	25	38	30	31.9	60	14000	15000
NAO 25x42x16	25	42	16	22	33.5	13000	15000
NA 6905	25	42	30	38	62	13000	15000
NA 4905 RS	25	42	18	21.6	27.5		6300
NA 4905.2RS	25	42	18	21.6	27.5		6300
NAO 25x40x17	25	40	17	18.7	34	13000	15000
NKIS 25	25	47	22	34.1	46.5	12000	13000
NKI 28/30	28	42	30	34.1	65.5	12000	14000
NKI 28/20 TN	28	42	20	26.4	48	12000	14000
NA 69/28	28	45	30	39.6	65.5	12000	14000
NA 49/28	28	45	17	25.1	36.5	12000	14000
NA 4906	30	47	17	25.5	39	11000	13000
NA 6906	30	47	30	42.9	75	11000	13000
NKI 30/30 TN	30	45	30	40.2	85	11000	13000