Bearing number	623/612A	623/612	623/612
Brand	KOYO	FBJ	CX
Bore Diameter (mm)	57,15(mm)	57,15(mm)	57,15(mm)
Width (mm)	41,275(mm)	41,275(mm)	41,275(mm)
d	57,15 mm 2.25 in	57,15 mm 2.25 in	57,15 mm 2.25 in
T	41,275 mm 1.625 in	41,275 mm 1.625 in	41,275 mm 1.625 in
B	41,275 mm 1.625 in	41,275 mm 1.625 in	41,275 mm 1.625 in
C	31,75 mm 1.25 in	31,75 mm 1.25 in	31,75 mm 1.25 in
a	27,3 mm 1.0748 in		14 mm 0.5512 in
r min.	3,6 mm 0.1417 in
r1 min.	3,2 mm 0.126 in
Da	103 mm 4.0551 in
db	66 mm 2.5984 in
da	72 mm 2.8346 in
Db	109 mm 4.2913 in
Basic dynamic load rating (C)	174 kN	172 kN	192 kN
Basic static load rating (C0)	217 kN	213 kN	244 kN
Calculation factor (e)	0,31
Calculation factor (Y0)	1,05