Part Number	d - Bore	D - Outer Diameter	B - Width	Cr - Dynamic Radial Rating	Cor - Static Radial Rating	Reference speed	Limiting speed
BK2820	28mm mm	35mm mm	20mm mm	-	-	-	-
BK2912	9mm mm	13mm mm	12mm mm	-	-	-	-
BK3012	30mm mm	37mm mm	12mm mm	-	-	-	-
BK3016	30mm mm	37mm mm	16mm mm	-	-	-	-
BK3020	30mm mm	37mm mm	20mm mm	-	-	-	-
BK3512	35mm mm	42mm mm	12mm mm	-	-	-	-
BK3520	35mm mm	42mm mm	20mm mm	-	-	-	-
BK4012	40mm mm	47mm mm	12mm mm	-	-	-	-
BK4020	40mm mm	47mm mm	20mm mm	-	-	-	-
BK4520	45mm mm	52mm mm	20mm mm	-	-	-	-
BK5020	50mm mm	58mm mm	20mm mm	-	-	-	-
BK5520	55mm mm	63mm mm	20mm mm	-	-	-	-
BK6020	60mm mm	68mm mm	20mm mm	-	-	-	-
HK0408T2	4mm mm	8mm mm	8mm mm	-	-	-	-
HK0509T2	5mm mm	9mm mm	9mm mm	-	-	-	-
HK0609T2	6mm mm	10mm mm	9mm mm	-	-	-	-
HK0709	7mm mm	11mm mm	9mm mm	-	-	-	-
HK0810	8mm mm	12mm mm	10mm mm	-	-	-	-
HK0910	9mm mm	13mm mm	10mm mm	-	-	-	-
HK0912	9mm mm	13mm mm	12mm mm	-	-	-	-