Part Number	d - Bore	D - Outer Diameter	B - Width	Cr - Dynamic Radial Rating	Cor - Static Radial Rating	Reference speed	Limiting speed
NF224	120mm mm	215mm mm	40mm mm	-	-	-	-
NF226	130mm mm	230mm mm	40mm mm	-	-	-	-
NF228	140mm mm	250mm mm	42mm mm	-	-	-	-
NF230	150mm mm	270mm mm	45mm mm	-	-	-	-
NF232	160mm mm	290mm mm	48mm mm	-	-	-	-
NF234	170mm mm	310mm mm	52mm mm	-	-	-	-
NF236	180mm mm	320mm mm	52mm mm	-	-	-	-
NF238	mm mm	mm mm	mm mm	-	-	-	-
NF240	200mm mm	360mm mm	58mm mm	-	-	-	-
NF244	220mm mm	400mm mm	65mm mm	-	-	-	-
NF248	240mm mm	440mm mm	72mm mm	-	-	-	-
NF252	260mm mm	480mm mm	80mm mm	-	-	-	-
NF256	55mm mm	280mm mm	80mm mm	-	-	-	-
NJ236+HJ236	180mm mm	320mm mm	52mm mm	-	-	-	-
NJ234E	170mm mm	310mm mm	52mm mm	-	-	-	-
NJ236E	180mm mm	320mm mm	52mm mm	-	-	-	-
NJ234E+HJ234E	170mm mm	310mm mm	52mm mm	-	-	-	-
NJ236E+HJ236E	180mm mm	320mm mm	52mm mm	-	-	-	-
NJ236+HJ236	180mm mm	320mm mm	52mm mm	-	-	-	-
NJ238	190mm mm	340mm mm	55mm mm	-	-	-	-