91-20 0641/1-07123 Four-point Contact Ball Slewing Bearing With External Gear

Product Details

Series	HM746600
Cone Part Number	HM746646H
Cup Part Number	HM746610
Design Units	Imperial
Bearing Weight	24.40 Kg
Cage Type	Stamped Steel
d	228.600 mm
D	355.6 mm
B - Cone Width	69.850 mm
C - Cup Width	50.800 mm
B	69.850 mm
R - Cone Backface To Clear Radius1	6.35 mm
r - Cup Backface To Clear Radius2	6.35 mm
da - Cone Frontface Backing Diameter	250.95 mm
db - Cone Backface Backing Diameter	261.11 mm
Da - Cup Frontface Backing Diameter	341.38 mm
Db - Cup Backface Backing Diameter	324.10 mm
Ab - Cage-Cone Frontface Clearance	5.1 mm
Aa - Cage-Cone Backface Clearance	1 mm
a - Effective Center Location3	6.9 mm
C90 - Dynamic Radial Rating (90 million revolutions)4	66300 lbf
C1 - Dynamic Radial Rating (1 million revolutions)5	256000 lbf
C0 - Static Radial Rating	355000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)6	53700 lbf
K - Factor7	1.24
e - ISO Factor8	0.47
Y - ISO Factor9	1.27
G1 - Heat Generation Factor (Roller-Raceway)	1130.2
G2 - Heat Generation Factor (Rib-Roller End)	130.3
Cg - Geometry Factor	0.152