Part Number	d - Bore	D - Outer Diameter	B - Width	Cr - Dynamic Radial Rating	Cor - Static Radial Rating	Reference speed	Limiting speed
6221	105 mm	190 mm	36 mm	140 N	104 N	7000 rpm	4500 rpm
6221-2Z	105 mm	190 mm	36 mm	140 N	104 N	7000 rpm	3600 rpm
6221-Z	105 mm	190 mm	36 mm	140 N	104 N	7000 rpm	4500 rpm
6021-2RS1	105 mm	160 mm	26 mm	76.1 N	65.5 N	-	2400 rpm
6021-RS1	105 mm	160 mm	26 mm	76.1 N	65.5 N	-	2400 rpm
6321	105 mm	225 mm	49 mm	182 N	153 N	6300 rpm	4000 rpm
6021-Z	105 mm	160 mm	26 mm	76.1 N	65.5 N	8500 rpm	5300 rpm
6321-2Z	105 mm	225 mm	49 mm	182 N	153 N	6300 rpm	3200 rpm
6021 M	105 mm	160 mm	26 mm	76.1 N	65.5 N	8500 rpm	7500 rpm
6021 N	105 mm	160 mm	26 mm	76.1 N	65.5 N	8500 rpm	5300 rpm
61921	105 mm	145 mm	20 mm	44.2 N	44 N	9500 rpm	5600 rpm
6221-RS1	105 mm	190 mm	36 mm	140 N	104 N	-	2200 rpm
16021	105 mm	160 mm	18 mm	54 N	51 N	8500 rpm	5300 rpm
6321-Z	105 mm	225 mm	49 mm	182 N	153 N	6300 rpm	4000 rpm
6021-2Z	105 mm	160 mm	26 mm	76.1 N	65.5 N	8500 rpm	4300 rpm
6021	105 mm	160 mm	26 mm	76.1 N	65.5 N	8500 rpm	5300 rpm
6221-2RS1	105 mm	190 mm	36 mm	140 N	104 N	-	2200 rpm
61821-2RZ	105 mm	130 mm	13 mm	20.8 N	19.6 N	10000 rpm	5000 rpm
61821	105 mm	130 mm	13 mm	20.8 N	19.6 N	10000 rpm	6300 rpm
RMS 32	101.6 mm	215.9 mm	44.45 mm	174 N	140 N	6700 rpm	4300 rpm