1.772 Inch | 45 Millimeter x 4.724 Inch | 120 Millimeter x 1.142 Inch | 29 Millimeter KOYO 7409B GC3FY Angular Contact Ball Bearings

KOYO 7409B GC3FY bearing Size Chart (mm/inches)
Series	755
Cone Part Number	757
Cup Part Number	752-B
Design Units	Imperial
Bearing Weight	10 lb
Cage Type	Stamped Steel
d	3.2500 in
D	6.3750 in
D1 - Flange Outer Diameter	6.6830 in
B - Cone Width	1.9000 in
C - Cup Width	1.5000 in
C1 - Cup Flange Width	0.3120 in
T1 - Bearing Width	1.8750 in
T - Bearing Width to Flange	0.6870 in
R - Cone Backface To Clear Radius1	0.14 in
r - Cup Backface To Clear Radius2	0.130 in
da - Cone Frontface Backing Diameter	3.7 in
db - Cone Backface Backing Diameter	3.94 in
Da - Cup Frontface Backing Diameter	5.94 in
Ab - Cage-Cone Frontface Clearance	0.07 in
Aa - Cage-Cone Backface Clearance	0.11 in
a - Effective Center Location3	-0.47 in
C90 - Dynamic Radial Rating (90 million revolutions)4	19100 lbf
C1 - Dynamic Radial Rating (1 million revolutions)5	73600 lbf
C0 - Static Radial Rating	99200 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)6	11100 lbf
K - Factor7	1.71
e - ISO Factor8	0.34
Y - ISO Factor9	1.76
G1 - Heat Generation Factor (Roller-Raceway)10	177
G2 - Heat Generation Factor (Rib-Roller End)	29.4
Cg - Geometry Factor11	0.0945

Product Features