Part Number	d - Bore	D - Outer Diameter	B - Width	Cr - Dynamic Radial Rating	Cor - Static Radial Rating	Reference speed	Limiting speed
W 61804-2Z	20 mm	32 mm	7 mm	3.12 N	2.08 N	48000 rpm	24000 rpm
W 61904-2RZ	20 mm	37 mm	9 mm	5.53 N	3.65 N	43000 rpm	20000 rpm
61804	20 mm	32 mm	7 mm	4.03 N	2.32 N	45000 rpm	28000 rpm
6304-ZNR	20 mm	52 mm	15 mm	16.8 N	7.8 N	30000 rpm	19000 rpm
6304-Z	20 mm	52 mm	15 mm	16.8 N	7.8 N	30000 rpm	19000 rpm
6304-RSL	20 mm	52 mm	15 mm	16.8 N	7.8 N	30000 rpm	19000 rpm
16004	20 mm	42 mm	8 mm	7.28 N	4.05 N	38000 rpm	24000 rpm
6304-RSH	20 mm	52 mm	15 mm	16.8 N	7.8 N	-	9500 rpm
W 61904	20 mm	37 mm	9 mm	5.53 N	3.65 N	43000 rpm	26000 rpm
6004-Z	20 mm	42 mm	12 mm	9.95 N	5 N	38000 rpm	24000 rpm
W 6004-2RZ	20 mm	42 mm	12 mm	8.06 N	5 N	38000 rpm	19000 rpm
6304 NR	20 mm	52 mm	15 mm	16.8 N	7.8 N	30000 rpm	19000 rpm
D/W SRI-1634-2ZS	19.05 mm	25.4 mm	3.967 mm	0.572 N	0.365 N	53000 rpm	26000 rpm
RMS 6	19.05 mm	50.8 mm	17.462 mm	15.9 N	7.8 N	28000 rpm	19000 rpm
D/W R12-2RZ	19.05 mm	41.275 mm	11.113 mm	8.06 N	5 N	38000 rpm	19000 rpm
RLS 6	19.05 mm	47.625 mm	14.288 mm	12.7 N	6.55 N	30000 rpm	20000 rpm
RLS 6-2RS1	19.05 mm	47.625 mm	14.288 mm	12.7 N	6.55 N	32000 rpm	10000 rpm
RLS 6-2Z	19.05 mm	47.625 mm	14.288 mm	12.7 N	6.55 N	30000 rpm	15000 rpm
D/W ER1634	19.05 mm	25.4 mm	3.967 mm	0.572 N	0.365 N	53000 rpm	34000 rpm
D/W R12-2Z	19.05 mm	41.275 mm	11.113 mm	8.06 N	5 N	38000 rpm	19000 rpm