Part Number	d - Bore	D - Outer Diameter	B - Width	Cr - Dynamic Radial Rating	Cor - Static Radial Rating	Reference speed	Limiting speed
NJ418	90mm mm	225mm mm	54mm mm	-	-	-	-
NJ418+HJ418	90mm mm	225mm mm	54mm mm	-	-	-	-
NJ419	95mm mm	240mm mm	55mm mm	-	-	-	-
NJ419+HJ419	95mm mm	240mm mm	55mm mm	-	-	-	-
NJ420	100mm mm	250mm mm	58mm mm	-	-	-	-
NJ420+HJ420	100mm mm	250mm mm	58mm mm	-	-	-	-
NJ421	105mm mm	260mm mm	60mm mm	-	-	-	-
NJ421+HJ421	105mm mm	260mm mm	60mm mm	-	-	-	-
NJ422	110mm mm	280mm mm	65mm mm	-	-	-	-
NJ422+HJ422	110mm mm	280mm mm	65mm mm	-	-	-	-
NJ424	120mm mm	310mm mm	72mm mm	-	-	-	-
NJ424+HJ424	120mm mm	310mm mm	72mm mm	-	-	-	-
NJ426	130mm mm	340mm mm	78mm mm	-	-	-	-
NNU4938K	190mm mm	260mm mm	69mm mm	-	-	-	-
NNU4940	200mm mm	280mm mm	80mm mm	-	-	-	-
NNU4940K	200mm mm	280mm mm	80mm mm	-	-	-	-
NNU4944	220mm mm	300mm mm	80mm mm	-	-	-	-
NNU4944K	220mm mm	300mm mm	80mm mm	-	-	-	-
NNU4948	240mm mm	320mm mm	80mm mm	-	-	-	-
NNU4948K	240mm mm	320mm mm	80mm mm	-	-	-	-