Part Number	d - Bore	D - Outer Diameter	B - Width	Cr - Dynamic Radial Rating	Cor - Static Radial Rating	Reference speed	Limiting speed
NU2308E	40mm mm	90mm mm	33mm mm	-	-	-	-
NU2309	45mm mm	100mm mm	36mm mm	-	-	-	-
NU2309E	45mm mm	100mm mm	36mm mm	-	-	-	-
NU2310	50mm mm	110mm mm	40mm mm	-	-	-	-
NU2310E	50mm mm	110mm mm	40mm mm	-	-	-	-
NU2311	55mm mm	120mm mm	43mm mm	-	-	-	-
NU2311E	55mm mm	120mm mm	43mm mm	-	-	-	-
NU2312E	60mm mm	130mm mm	46mm mm	-	-	-	-
NU2313	65mm mm	140mm mm	48mm mm	-	-	-	-
NU2313E	65mm mm	140mm mm	48mm mm	-	-	-	-
NU2314	70mm mm	150mm mm	51mm mm	-	-	-	-
NU2314E	70mm mm	150mm mm	51mm mm	-	-	-	-
NU2315	75mm mm	160mm mm	55mm mm	-	-	-	-
NNU4920K	100mm mm	140mm mm	40mm mm	-	-	-	-
NNU4921	105mm mm	145mm mm	40mm mm	-	-	-	-
NNU4921K	105mm mm	145mm mm	40mm mm	-	-	-	-
NNU4922	110mm mm	150mm mm	40mm mm	-	-	-	-
NNU4922K	110mm mm	150mm mm	40mm mm	-	-	-	-
NNU4924	120mm mm	165mm mm	45mm mm	-	-	-	-
NNU4924K	120mm mm	165mm mm	45mm mm	-	-	-	-