Hitachi EX120-2 Excavator Slewing Bearing

Manufacturers of all Angular Contact Ball Bearing are represented ROLLWAY BEARING Sales Co., Ltd. in our partial list H919942H Cone Part Number of clients. Contact Gary for a complete Hitachi EX120-2 Excavator Slewing Bearing list of clients and projects.

Cone Part Number: H919942H
Design Units: Imperial
Cage Type: Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1: 173000 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2: 44800 lbf
d: 3.3125 in
B - Cone Width: 1.9291 in
R - Cone Backface To Clear Radius3: 0.25 in
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Product Details

Cone Part Number H919942H
Design Units Imperial
Cage Type Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1 173000 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2 44800 lbf
d 3.3125 in
B - Cone Width 1.9291 in
R - Cone Backface To Clear Radius3 0.25 in
da - Cone Frontface Backing Diameter 4.32 in
db - Cone Backface Backing Diameter 4.84 in
Ab - Cage-Cone Frontface Clearance 0.23 in
Aa - Cage-Cone Backface Clearance 0.28 in
a - Effective Center Location4 0.32 in
C90 - Dynamic Radial Rating (90 million revolutions)5 25800 lbf
C1 - Dynamic Radial Rating (1 million revolutions)6 99400 lbf
C0 - Static Radial Rating 103000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)7 35100 lbf
K - Factor8 0.73
G1 - Heat Generation Factor (Roller-Raceway) 163.7
G2 - Heat Generation Factor (Rib-Roller End) 23.2
Cg - Geometry Factor 0.119
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