Part Number	d - Bore	D - Outer Diameter	B - Width	Cr - Dynamic Radial Rating	Cor - Static Radial Rating	Reference speed	Limiting speed
7308B/DB	40mm mm	90mm mm	46mm mm	-	-	-	-
7307B/DB	35mm mm	80mm mm	42mm mm	-	-	-	-
NK28/30R	28mm mm	37mm mm	30mm mm	-	-	-	-
7308AC/DB	40mm mm	90mm mm	46mm mm	-	-	-	-
NK29/20R	29mm mm	38mm mm	20mm mm	-	-	-	-
NK29/20R+IR25×29×20	25mm mm	38mm mm	20mm mm	-	-	-	-
7307AC/DB	35mm mm	80mm mm	42mm mm	-	-	-	-
NK29/30R	29mm mm	38mm mm	30mm mm	-	-	-	-
NA6917	85mm mm	120mm mm	63mm mm	-	-	-	-
7306AC/DB	30mm mm	72mm mm	38mm mm	-	-	-	-
NK29/30R+IR25×29×30	25mm mm	38mm mm	30mm mm	-	-	-	-
NK43/20	38mm mm	53mm mm	20mm mm	-	-	-	-
7305AC/DB	25mm mm	62mm mm	34mm mm	-	-	-	-
NK42/30	0mm mm	52mm mm	30mm mm	-	-	-	-
NK30/20R	30mm mm	40mm mm	20mm mm	-	-	-	-
7304AC/DB	20mm mm	52mm mm	30mm mm	-	-	-	-
NK42/20	0mm mm	52mm mm	20mm mm	-	-	-	-
NK30/30R	30mm mm	40mm mm	30mm mm	-	-	-	-
NK32/20R	32mm mm	42mm mm	20mm mm	-	-	-	-
7303AC/DB	17mm mm	47mm mm	28mm mm	-	-	-	-