Hitachi EX120-3 Excavator Slewing Bearing

Product Details

Series	HH932100
Cone Part Number	HH932145
Cup Part Number	HH932115
Design Units	Imperial
Bearing Weight	28.2 Kg
Cage Type	Stamped Steel
d	146.050 mm
D	311.15 mm
B - Cone Width	82.550 mm
C - Cup Width	57.150 mm
B	88.900 mm
R - Cone Backface To Clear Radius1	6.35 mm
r - Cup Backface To Clear Radius2	6.35 mm
da - Cone Frontface Backing Diameter	174.50 mm
db - Cone Backface Backing Diameter	195.07 mm
Da - Cup Frontface Backing Diameter	288.50 mm
Db - Cup Backface Backing Diameter	261.87 mm
Ab - Cage-Cone Frontface Clearance	9.9 mm
Aa - Cage-Cone Backface Clearance	20.1 mm
a - Effective Center Location3	1.8 mm
C90 - Dynamic Radial Rating (90 million revolutions)4	67500 lbf
C1 - Dynamic Radial Rating (1 million revolutions)5	260000 lbf
C0 - Static Radial Rating	282000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)6	84100 lbf
K - Factor7	0.8
e - ISO Factor8	0.73
Y - ISO Factor9	0.82
G1 - Heat Generation Factor (Roller-Raceway)	514
G2 - Heat Generation Factor (Rib-Roller End)	55.6
Cg - Geometry Factor	0.133