Part Number	d - Bore	D - Outer Diameter	B - Width	Cr - Dynamic Radial Rating	Cor - Static Radial Rating	Reference speed	Limiting speed
6218 NR	90 mm	160 mm	30 mm	101 N	73.5 N	8500 rpm	5300 rpm
6318-RS1	90 mm	190 mm	43 mm	151 N	108 N	-	2400 rpm
218	90 mm	160 mm	30 mm	112 N	114 N	7000 rpm	4300 rpm
6318 M	90 mm	190 mm	43 mm	151 N	108 N	7500 rpm	7000 rpm
4218 ATN9	90 mm	160 mm	40 mm	112 N	122 N	6300 rpm	3400 rpm
6318-2Z	90 mm	190 mm	43 mm	151 N	108 N	7500 rpm	3800 rpm
W 61818-2Z	90 mm	115 mm	13 mm	16.5 N	20.8 N	11000 rpm	5600 rpm
W 61818-2RS1	90 mm	115 mm	13 mm	16.5 N	20.8 N	-	3200 rpm
318-2Z	90 mm	190 mm	43 mm	157 N	160 N	6300 rpm	3200 rpm
6218	90 mm	160 mm	30 mm	101 N	73.5 N	8500 rpm	5300 rpm
6018 M	90 mm	140 mm	24 mm	60.5 N	50 N	10000 rpm	8500 rpm
6018 N	90 mm	140 mm	24 mm	60.5 N	50 N	10000 rpm	6300 rpm
6218-2Z	90 mm	160 mm	30 mm	101 N	73.5 N	8500 rpm	4300 rpm
61818-2RS1	90 mm	115 mm	13 mm	19.5 N	17 N	-	3200 rpm
6018-Z	90 mm	140 mm	24 mm	60.5 N	50 N	10000 rpm	6300 rpm
318	90 mm	190 mm	43 mm	157 N	160 N	6300 rpm	4000 rpm
6018-2Z	90 mm	140 mm	24 mm	60.5 N	50 N	10000 rpm	5000 rpm
6318	90 mm	190 mm	43 mm	151 N	108 N	7500 rpm	4800 rpm
318-Z	90 mm	190 mm	43 mm	157 N	160 N	6300 rpm	4000 rpm
218-2Z	90 mm	160 mm	30 mm	112 N	114 N	7000 rpm	4300 rpm