Part Number	d - Bore	D - Outer Diameter	B - Width	Cr - Dynamic Radial Rating	Cor - Static Radial Rating	Reference speed	Limiting speed
BK3012	30mm mm	37mm mm	12mm mm	-	-	-	-
BK2512	25mm mm	32mm mm	12mm mm	-	-	-	-
HK4520	45mm mm	52mm mm	20mm mm	-	-	-	-
HK4020	40mm mm	47mm mm	20mm mm	-	-	-	-
HK3520	35mm mm	42mm mm	20mm mm	-	-	-	-
HK3020	30mm mm	37mm mm	20mm mm	-	-	-	-
HK2820	28mm mm	35mm mm	20mm mm	-	-	-	-
HK2520	25mm mm	32mm mm	20mm mm	-	-	-	-
HK1012	10mm mm	14mm mm	12mm mm	-	-	-	-
HK0912	9mm mm	13mm mm	12mm mm	-	-	-	-
HK6020	60mm mm	68mm mm	20mm mm	-	-	-	-
HK5520	55mm mm	63mm mm	20mm mm	-	-	-	-
HK5020	50mm mm	58mm mm	20mm mm	-	-	-	-
HK2216	22mm mm	28mm mm	16mm mm	-	-	-	-
HK2016	20mm mm	26mm mm	16mm mm	-	-	-	-
HK1816	18mm mm	24mm mm	16mm mm	-	-	-	-
HK1616	16mm mm	22mm mm	16mm mm	-	-	-	-
HK1516	15mm mm	21mm mm	16mm mm	-	-	-	-
NK75/25	0mm mm	92mm mm	25mm mm	-	-	-	-
NK73/35	65mm mm	90mm mm	35mm mm	-	-	-	-