Part Number	d - Bore	D - Outer Diameter	B - Width	Cr - Dynamic Radial Rating	Cor - Static Radial Rating	Reference speed	Limiting speed
NA4900R	10mm mm	22mm mm	13mm mm	-	-	-	-
BK1512	15mm mm	21mm mm	12mm mm	-	-	-	-
BK1516	15mm mm	21mm mm	16mm mm	-	-	-	-
BK1612	16mm mm	22mm mm	12mm mm	-	-	-	-
BK1616	16mm mm	22mm mm	16mm mm	-	-	-	-
BK1712	17mm mm	23mm mm	12mm mm	-	-	-	-
K55×63×25	55mm mm	63mm mm	25mm mm	-	-	-	-
K55×63×25	60mm mm	68mm mm	25mm mm	-	-	-	-
K6×9×10	6mm mm	9mm mm	10mm mm	-	-	-	-
K6×9×8	6mm mm	9mm mm	8mm mm	-	-	-	-
K60×68×20	60mm mm	68mm mm	20mm mm	-	-	-	-
K65×73×30	65mm mm	73mm mm	30mm mm	-	-	-	-
K7×10×10	7mm mm	10mm mm	10mm mm	-	-	-	-
K7×10×8	7mm mm	10mm mm	8mm mm	-	-	-	-
K70×76×20	70mm mm	76mm mm	20mm mm	-	-	-	-
K70×78×30	70mm mm	78mm mm	30mm mm	-	-	-	-
K75×83×30	75mm mm	83mm mm	30mm mm	-	-	-	-
K8×11×10	8mm mm	11mm mm	10mm mm	-	-	-	-
K8×11×10	9mm mm	12mm mm	10mm mm	-	-	-	-
K8×11×13	8mm mm	11mm mm	13mm mm	-	-	-	-