Hitachi EX300-1 Excavator Slewing Bearing

Cone Part Number:3476
Cup Part Number:3426
Design Units:Imperial
Bearing Weight:0.70 Kg
Cage Type:Stamped Steel
d:31.750 mm
D:79.324 mm

Product Details

Cone Part Number3476
Cup Part Number3426
Design UnitsImperial
Bearing Weight0.70 Kg
Cage TypeStamped Steel
d31.750 mm
D79.324 mm
B - Cone Width29.771 mm
C - Cup Width23.813 mm
B29.370 mm
R - Cone Backface To Clear Radius11.270 mm
r - Cup Backface To Clear Radius23.30 mm
da - Cone Frontface Backing Diameter40.89 mm
db - Cone Backface Backing Diameter42.93 mm
Da - Cup Frontface Backing Diameter74.68 mm
Db - Cup Backface Backing Diameter67.06 mm
Ab - Cage-Cone Frontface Clearance1.3 mm
Aa - Cage-Cone Backface Clearance1 mm
a - Effective Center Location3-8.6 mm
C90 - Dynamic Radial Rating (90 million revolutions)46100 lbf
C1 - Dynamic Radial Rating (1 million revolutions)523500 lbf
C0 - Static Radial Rating26800 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)63820 lbf
K - Factor71.6
e - ISO Factor80.37
Y - ISO Factor91.64
G1 - Heat Generation Factor (Roller-Raceway)29.9
G2 - Heat Generation Factor (Rib-Roller End)11.2
Cg - Geometry Factor0.0781
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