Part Number	d - Bore	D - Outer Diameter	B - Width	Cr - Dynamic Radial Rating	Cor - Static Radial Rating	Reference speed	Limiting speed
K30×35×13	30mm mm	35mm mm	13mm mm	-	-	-	-
NA6911R	55mm mm	80mm mm	45mm mm	-	-	-	-
NA6912R	60mm mm	85mm mm	45mm mm	-	-	-	-
NA6913R	65mm mm	90mm mm	45mm mm	-	-	-	-
NA6914R	70mm mm	100mm mm	54mm mm	-	-	-	-
NA6915R	75mm mm	105mm mm	54mm mm	-	-	-	-
NA6916R	80mm mm	110mm mm	54mm mm	-	-	-	-
NA6917R	85mm mm	120mm mm	63mm mm	-	-	-	-
NA6918R	90mm mm	125mm mm	63mm mm	-	-	-	-
NA6919R	95mm mm	130mm mm	63mm mm	-	-	-	-
NA6920R	100mm mm	140mm mm	71mm mm	-	-	-	-
NA4864	320mm mm	400mm mm	80mm mm	-	-	-	-
NK10/16	10mm mm	17mm mm	16mm mm	-	-	-	-
NK21/16R	21mm mm	29mm mm	16mm mm	-	-	-	-
NK21/16R+IR17×21×16	17mm mm	29mm mm	16mm mm	-	-	-	-
NK21/20R	21mm mm	29mm mm	20mm mm	-	-	-	-
NK21/20R+IR17×21×20	17mm mm	29mm mm	20mm mm	-	-	-	-
NK22/16R	22mm mm	30mm mm	16mm mm	-	-	-	-
NK22/20R	22mm mm	30mm mm	20mm mm	-	-	-	-
NK24/16R	24mm mm	32mm mm	16mm mm	-	-	-	-