Part Number	d - Bore	D - Outer Diameter	B - Width	Cr - Dynamic Radial Rating	Cor - Static Radial Rating	Reference speed	Limiting speed
NA4912R	60mm mm	85mm mm	25mm mm	-	-	-	-
NA4910R	50mm mm	72mm mm	22mm mm	-	-	-	-
RNA4824	130mm mm	150mm mm	30mm mm	-	-	-	-
RNA4826	145mm mm	165mm mm	35mm mm	-	-	-	-
RNA4828	155mm mm	175mm mm	35mm mm	-	-	-	-
RNA4830	165mm mm	190mm mm	40mm mm	-	-	-	-
RNA4832	175mm mm	200mm mm	40mm mm	-	-	-	-
RNA4834	185mm mm	215mm mm	45mm mm	-	-	-	-
BK0408T2	4mm mm	8mm mm	8mm mm	-	-	-	-
BK0509T2	5mm mm	9mm mm	9mm mm	-	-	-	-
BK1812	18mm mm	24mm mm	12mm mm	-	-	-	-
BK1816	18mm mm	24mm mm	16mm mm	-	-	-	-
BK2012	20mm mm	26mm mm	12mm mm	-	-	-	-
BK2016	20mm mm	26mm mm	16mm mm	-	-	-	-
BK2212	22mm mm	28mm mm	12mm mm	-	-	-	-
BK2216	22mm mm	28mm mm	16mm mm	-	-	-	-
BK2512	25mm mm	32mm mm	12mm mm	-	-	-	-
BK2516	25mm mm	32mm mm	16mm mm	-	-	-	-
BK2520	25mm mm	32mm mm	20mm mm	-	-	-	-
BK2816	28mm mm	35mm mm	16mm mm	-	-	-	-