Part Number	d - Bore	D - Outer Diameter	B - Width	Cr - Dynamic Radial Rating	Cor - Static Radial Rating	Grease lubrication	Oil lubrication
53309U	45 mm	85 mm	33 mm	80 N	163 N	1900 rpm	3000 rpm
53308U	40 mm	78 mm	31 mm	69.3 N	135 N	2100 rpm	3300 rpm
53306U	30 mm	60 mm	25 mm	42.8 N	78.7 N	2700 rpm	4200 rpm
53305U	25 mm	52 mm	22 mm	- N	- N	- rpm	- rpm
53305	25 mm	52 mm	19.8 mm	35.7 N	61.4 N	3100 rpm	4800 rpm
53272U	360 mm	500 mm	130 mm	701 N	3500 N	340 rpm	500 rpm
53268U	340 mm	460 mm	113 mm	584 N	2830 N	380 rpm	570 rpm
53264U	320 mm	440 mm	112 mm	577 N	2710 N	400 rpm	600 rpm
53264	320 mm	440 mm	100.5 mm	577 N	2710 N	400 rpm	600 rpm
53260U	300 mm	420 mm	112 mm	570 N	2600 N	400 rpm	600 rpm
53260	300 mm	420 mm	100.5 mm	570 N	2600 N	400 rpm	600 rpm
53256U	280 mm	380 mm	94 mm	- N	- N	- rpm	- rpm
53256	280 mm	380 mm	85 mm	- N	- N	- rpm	- rpm
53252U	260 mm	360 mm	93 mm	445 N	1880 N	490 rpm	750 rpm
53252	260 mm	360 mm	82.8 mm	445 N	1880 N	490 rpm	750 rpm