Part Number	d - Bore	D - Outer Diameter	B - Width	Cr - Dynamic Radial Rating	Cor - Static Radial Rating	Reference speed	Limiting speed
K17×21×10	17mm mm	21mm mm	10mm mm	-	-	-	-
K16×22×12	16mm mm	22mm mm	12mm mm	-	-	-	-
NA6903R	17mm mm	30mm mm	23mm mm	-	-	-	-
NA6901R	12mm mm	24mm mm	22mm mm	-	-	-	-
NA6904R	20mm mm	37mm mm	30mm mm	-	-	-	-
NA6902R	15mm mm	28mm mm	23mm mm	-	-	-	-
NA6905R	25mm mm	42mm mm	30mm mm	-	-	-	-
NA6903R	17mm mm	30mm mm	23mm mm	-	-	-	-
NA6906R	30mm mm	47mm mm	30mm mm	-	-	-	-
NA6904R	20mm mm	37mm mm	30mm mm	-	-	-	-
NA6907R	35mm mm	55mm mm	36mm mm	-	-	-	-
NA6905R	25mm mm	42mm mm	30mm mm	-	-	-	-
NA6908R	40mm mm	62mm mm	40mm mm	-	-	-	-
NA6906R	30mm mm	47mm mm	30mm mm	-	-	-	-
NA6909R	45mm mm	68mm mm	40mm mm	-	-	-	-
NA6907R	35mm mm	55mm mm	36mm mm	-	-	-	-
NA6911R	55mm mm	80mm mm	45mm mm	-	-	-	-
NA6908R	40mm mm	62mm mm	40mm mm	-	-	-	-
NA6912R	60mm mm	85mm mm	45mm mm	-	-	-	-
NA6909R	45mm mm	68mm mm	40mm mm	-	-	-	-