Part Number	d - Bore	D - Outer Diameter	B - Width	Cr - Dynamic Radial Rating	Cor - Static Radial Rating	Reference speed	Limiting speed
NA4920	100mm mm	140mm mm	40mm mm	-	-	-	-
NA4919	95mm mm	130mm mm	35mm mm	-	-	-	-
NA4918	90mm mm	125mm mm	35mm mm	-	-	-	-
NA4917	85mm mm	120mm mm	35mm mm	-	-	-	-
NA4916	80mm mm	110mm mm	30mm mm	-	-	-	-
NA4915	75mm mm	105mm mm	30mm mm	-	-	-	-
NA4914	70mm mm	100mm mm	30mm mm	-	-	-	-
NA4913	65mm mm	90mm mm	25mm mm	-	-	-	-
NA4912	60mm mm	85mm mm	25mm mm	-	-	-	-
NA4911	55mm mm	80mm mm	25mm mm	-	-	-	-
NA4910	50mm mm	72mm mm	22mm mm	-	-	-	-
NA4909	45mm mm	68mm mm	22mm mm	-	-	-	-
NA4908	40mm mm	62mm mm	22mm mm	-	-	-	-
NA4907	35mm mm	55mm mm	20mm mm	-	-	-	-
NA49/32	32mm mm	52mm mm	20mm mm	-	-	-	-
NA4906	30mm mm	47mm mm	17mm mm	-	-	-	-
NA49/28	28mm mm	45mm mm	17mm mm	-	-	-	-
NA4905	25mm mm	42mm mm	17mm mm	-	-	-	-
NK15/16	0mm mm	23mm mm	16mm mm	-	-	-	-
NK14/20	10mm mm	22mm mm	20mm mm	-	-	-	-