Part Number	d - Bore	D - Outer Diameter	B - Width	Cr - Dynamic Radial Rating	Cor - Static Radial Rating	Reference speed	Limiting speed
W 63804-2RZ	20 mm	32 mm	10 mm	3.12 N	2.08 N	48000 rpm	24000 rpm
W 61704 R	20 mm	27 mm	4 mm	0.585 N	0.39 N	50000 rpm	32000 rpm
W 61904 R	20 mm	37 mm	9 mm	5.53 N	3.65 N	43000 rpm	26000 rpm
W 61704	20 mm	27 mm	4 mm	0.585 N	0.39 N	50000 rpm	32000 rpm
6004-2Z	20 mm	42 mm	12 mm	9.95 N	5 N	38000 rpm	19000 rpm
W 6204-2RZ	20 mm	47 mm	14 mm	10.8 N	6.55 N	34000 rpm	17000 rpm
6304	20 mm	52 mm	15 mm	16.8 N	7.8 N	30000 rpm	19000 rpm
4304 ATN9	20 mm	52 mm	21 mm	23.4 N	16 N	22000 rpm	12000 rpm
W 61904-2Z	20 mm	37 mm	9 mm	5.53 N	3.65 N	43000 rpm	20000 rpm
6304-2RSL	20 mm	52 mm	15 mm	15.9 N	7.8 N	30000 rpm	15000 rpm
6304-2RSH	20 mm	52 mm	15 mm	16.8 N	7.8 N	-	9500 rpm
W 6004-2Z	20 mm	42 mm	12 mm	8.06 N	5 N	38000 rpm	19000 rpm
W 63804 R	20 mm	32 mm	10 mm	3.12 N	2.08 N	48000 rpm	30000 rpm
6204 NR	20 mm	47 mm	14 mm	13.5 N	6.55 N	32000 rpm	20000 rpm
W 63804 R-2Z	20 mm	32 mm	10 mm	3.12 N	2.08 N	48000 rpm	24000 rpm
W 61904-2RS1	20 mm	37 mm	9 mm	5.53 N	3.65 N	-	12000 rpm
6004 N	20 mm	42 mm	12 mm	9.95 N	5 N	38000 rpm	24000 rpm
6004-ZNR	20 mm	42 mm	12 mm	9.95 N	5 N	38000 rpm	24000 rpm
W 61904 R-2Z	20 mm	37 mm	9 mm	5.53 N	3.65 N	43000 rpm	20000 rpm
W 61704 R-2ZS	20 mm	27 mm	4 mm	0.585 N	0.39 N	50000 rpm	26000 rpm