Part Number	d - Bore	D - Outer Diameter	B - Width	Cr - Dynamic Radial Rating	Cor - Static Radial Rating	Reference speed	Limiting speed
NU2312	60mm mm	130mm mm	46mm mm	-	-	-	-
NU2317	85mm mm	180mm mm	60mm mm	-	-	-	-
NU232	160mm mm	290mm mm	48mm mm	-	-	-	-
NU232E	160mm mm	290mm mm	48mm mm	-	-	-	-
NU234	170mm mm	310mm mm	52mm mm	-	-	-	-
NU234E	170mm mm	310mm mm	52mm mm	-	-	-	-
NU236	180mm mm	320mm mm	52mm mm	-	-	-	-
NNU4948	240mm mm	320mm mm	80mm mm	-	-	-	-
NNU4948K	240mm mm	320mm mm	80mm mm	-	-	-	-
NNU4952	260mm mm	360mm mm	100mm mm	-	-	-	-
NNU4952K	260mm mm	360mm mm	100mm mm	-	-	-	-
NNU4956	280mm mm	380mm mm	100mm mm	-	-	-	-
NNU4956K	280mm mm	380mm mm	100mm mm	-	-	-	-
NNU4960	300mm mm	420mm mm	118mm mm	-	-	-	-
NNU4960K	300mm mm	420mm mm	118mm mm	-	-	-	-
NNU4964	320mm mm	440mm mm	118mm mm	-	-	-	-
NNU4964K	320mm mm	440mm mm	118mm mm	-	-	-	-
NNU4968	340mm mm	460mm mm	118mm mm	-	-	-	-
NNU4968K	340mm mm	460mm mm	118mm mm	-	-	-	-
NNU4972	360mm mm	480mm mm	118mm mm	-	-	-	-