Part Number	d - Bore	D - Outer Diameter	B - Width	Cr - Dynamic Radial Rating	Cor - Static Radial Rating	Reference speed	Limiting speed
NA4904R	20mm mm	37mm mm	17mm mm	-	-	-	-
NA4902R	15mm mm	28mm mm	13mm mm	-	-	-	-
NA4905R	25mm mm	42mm mm	17mm mm	-	-	-	-
NA4903R	17mm mm	30mm mm	13mm mm	-	-	-	-
NA4906R	30mm mm	47mm mm	17mm mm	-	-	-	-
NA4904R	20mm mm	37mm mm	17mm mm	-	-	-	-
NA4907R	35mm mm	55mm mm	20mm mm	-	-	-	-
NA4905R	25mm mm	42mm mm	17mm mm	-	-	-	-
NA4908R	40mm mm	62mm mm	22mm mm	-	-	-	-
NA4906R	30mm mm	47mm mm	17mm mm	-	-	-	-
NA4909R	45mm mm	68mm mm	22mm mm	-	-	-	-
NA4907R	35mm mm	55mm mm	20mm mm	-	-	-	-
NA4910R	50mm mm	72mm mm	22mm mm	-	-	-	-
NA4908R	40mm mm	62mm mm	22mm mm	-	-	-	-
NA4911R	55mm mm	80mm mm	25mm mm	-	-	-	-
NA4909R	45mm mm	68mm mm	22mm mm	-	-	-	-
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	-	-	-	-