Excavator Tadano Tr250m-4Φ 5 Swing Circle, Slewing Ring, Slewing Bearing

Excavator Tadano Tr250m-4Φ 5 Swing Circle, Slewing Ring, Slewing Bearing Manufacturers , DRIVESHAFT ANDERSON, INC. Online Wholesale Suppliers‎ Steel Inner/Outer Ring Material ! Steel Rolling Element Material

What is Tr250m-4Φ bearing interchange?

Model Number:Tr250m-4Φ
Series:HM256800
Cone Part Number:HM256849
Design Units:Imperial
Cage Type:Pin-Type
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1:508000 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2:132000 lbf
d:11.8125 in
B - Cone Width:3.2500 in

Product Details

SeriesHM256800
Cone Part NumberHM256849
Design UnitsImperial
Cage TypePin-Type
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1508000 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2132000 lbf
d11.8125 in
B - Cone Width3.2500 in
R - Cone Backface To Clear Radius30.25 in
da - Cone Frontface Backing Diameter12.56 in
db - Cone Backface Backing Diameter12.91 in
Ab - Cage-Cone Frontface Clearance0.2 in
Aa - Cage-Cone Backface Clearance0.22 in
a - Effective Center Location4-0.22 in
C90 - Dynamic Radial Rating (90 million revolutions)575600 lbf
C1 - Dynamic Radial Rating (1 million revolutions)6292000 lbf
C0 - Static Radial Rating622000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)743600 lbf
K - Factor81.73
G1 - Heat Generation Factor (Roller-Raceway)2550
G2 - Heat Generation Factor (Rib-Roller End)282
Cg - Geometry Factor0.178
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Company Profile

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