Bearing number	478/472X	24780/24720	24780/24721
Size (mm)	65x123.825x30.162(mm)	41.275x76.2x22.225(mm)	41.275x76.2x25.4(mm)
Brand	Timken	NSK	Timken
Bore Diameter (mm)	65(mm)	41,275(mm)	41,275(mm)
Outer Diameter (mm)	123,825(mm)	76,2(mm)	76,2(mm)
Width (mm)	30,162(mm)	22,225(mm)	25,4(mm)
d	65 mm 2.5591 in	41,275 mm 1.625 in	41,275 mm 1.625 in
D	123,825 mm 4.875 in	76,2 mm 3 in	76,2 mm 3 in
T	30,162 mm 1.1875 in	22,225 mm 0.875 in	25,4 mm 1 in
B	29,007 mm 1.142 in	23,02 mm 0.9063 in	23,02 mm 0.9063 in
C	24,605 mm 0.9687 in	17,462 mm 0.6875 in	20,638 mm 0.8125 in
R	2,3 mm 0.0906 in		3,5 mm 0.1378 in
r	3,3 mm 0.1299 in		2,3 mm 0.0906 in