Part Number	d - Bore	D - Outer Diameter	B - Width	Cr - Dynamic Radial Rating	Cor - Static Radial Rating	Reference speed	Limiting speed
NA4903	17mm mm	30mm mm	13mm mm	-	-	-	-
NA4902	15mm mm	28mm mm	13mm mm	-	-	-	-
NA4901	12mm mm	24mm mm	13mm mm	-	-	-	-
NA4900	10mm mm	22mm mm	13mm mm	-	-	-	-
NA49/9	9mm mm	20mm mm	11mm mm	-	-	-	-
NA4872	360mm mm	440mm mm	80mm mm	-	-	-	-
NA4868	340mm mm	420mm mm	80mm mm	-	-	-	-
NA4864	320mm mm	400mm mm	80mm mm	-	-	-	-
NA4860	300mm mm	380mm mm	80mm mm	-	-	-	-
NA4856	280mm mm	350mm mm	69mm mm	-	-	-	-
NA4852	260mm mm	320mm mm	60mm mm	-	-	-	-
NA4848	240mm mm	300mm mm	60mm mm	-	-	-	-
NA4844	220mm mm	270mm mm	50mm mm	-	-	-	-
NA4840	200mm mm	250mm mm	50mm mm	-	-	-	-
NA4838	190mm mm	240mm mm	50mm mm	-	-	-	-
NA4836	180mm mm	225mm mm	45mm mm	-	-	-	-
NA4834	170mm mm	215mm mm	45mm mm	-	-	-	-
NA4832	160mm mm	200mm mm	40mm mm	-	-	-	-
NK26/16	22mm mm	34mm mm	16mm mm	-	-	-	-
NK25/20	0mm mm	33mm mm	20mm mm	-	-	-	-