Part Number	d - Bore	D - Outer Diameter	B - Width	Cr - Dynamic Radial Rating	Cor - Static Radial Rating	Reference speed	Limiting speed
NA4872	360mm mm	440mm mm	80mm mm	-	-	-	-
NA4860	300mm mm	380mm mm	80mm mm	-	-	-	-
NA49/22R	22mm mm	39mm mm	17mm mm	-	-	-	-
NA4868	340mm mm	420mm mm	80mm mm	-	-	-	-
NA49/28R	28mm mm	45mm mm	17mm mm	-	-	-	-
NA4872	360mm mm	440mm mm	80mm mm	-	-	-	-
NA49/32R	32mm mm	52mm mm	20mm mm	-	-	-	-
NA49/22R	22mm mm	39mm mm	17mm mm	-	-	-	-
NA49/8	8mm mm	19mm mm	11mm mm	-	-	-	-
NA49/28R	28mm mm	45mm mm	17mm mm	-	-	-	-
NA49/9	9mm mm	20mm mm	11mm mm	-	-	-	-
NA49/32R	32mm mm	52mm mm	20mm mm	-	-	-	-
NA4900R	10mm mm	22mm mm	13mm mm	-	-	-	-
NA49/8	8mm mm	19mm mm	11mm mm	-	-	-	-
NA4901R	12mm mm	24mm mm	13mm mm	-	-	-	-
NA49/9	9mm mm	20mm mm	11mm mm	-	-	-	-
NA4902R	15mm mm	28mm mm	13mm mm	-	-	-	-
NA4900R	10mm mm	22mm mm	13mm mm	-	-	-	-
BK1512	15mm mm	21mm mm	12mm mm	-	-	-	-
BK1516	15mm mm	21mm mm	16mm mm	-	-	-	-