Part Number	d - Bore	D - Outer Diameter	B - Width	Cr - Dynamic Radial Rating	Cor - Static Radial Rating	Reference speed	Limiting speed
BK4012	40mm mm	47mm mm	12mm mm	-	-	-	-
BK3512	35mm mm	42mm mm	12mm mm	-	-	-	-
BK4020	40mm mm	47mm mm	20mm mm	-	-	-	-
BK3520	35mm mm	42mm mm	20mm mm	-	-	-	-
BK4520	45mm mm	52mm mm	20mm mm	-	-	-	-
BK4012	40mm mm	47mm mm	12mm mm	-	-	-	-
BK5020	50mm mm	58mm mm	20mm mm	-	-	-	-
BK4020	40mm mm	47mm mm	20mm mm	-	-	-	-
BK5520	55mm mm	63mm mm	20mm mm	-	-	-	-
BK4520	45mm mm	52mm mm	20mm mm	-	-	-	-
BK6020	60mm mm	68mm mm	20mm mm	-	-	-	-
BK5020	50mm mm	58mm mm	20mm mm	-	-	-	-
ET-30203	17mm mm	40mm mm	13.25mm mm	-	-	-	-
BK5520	55mm mm	63mm mm	20mm mm	-	-	-	-
HK0509T2	5mm mm	9mm mm	9mm mm	-	-	-	-
HJ2322E+HJ2322E	110mm mm	240mm mm	80mm mm	-	-	-	-
SA1-100B	100mm mm	150mm mm	70mm mm	-	-	-	-
RNA6918R	105mm mm	125mm mm	63mm mm	-	-	-	-
NK47/20R	47mm mm	57mm mm	20mm mm	-	-	-	-
NK45/30R	45mm mm	55mm mm	30mm mm	-	-	-	-