4R20601 TIMKEN Four Row Cylindrical Roller Bearings NTN 

Brand Name:TIMKEN
Model Number:4R20601
Cone Part Number:LM654642
Cup Part Number:LM654611
Design Units:Imperial
Bearing Weight:20.7 Kg
Cage Type:Stamped Steel
d:279.982 mm
D:380.009 mm

Product Details

Cone Part NumberLM654642
Cup Part NumberLM654611
Design UnitsImperial
Bearing Weight20.7 Kg
Cage TypeStamped Steel
d279.982 mm
D380.009 mm
B - Cone Width65.088 mm
C - Cup Width49.213 mm
B65.088 mm
R - Cone Backface To Clear Radius13.560 mm
r - Cup Backface To Clear Radius23.30 mm
da - Cone Frontface Backing Diameter297.94 mm
db - Cone Backface Backing Diameter302.01 mm
Da - Cup Frontface Backing Diameter369.06 mm
Db - Cup Backface Backing Diameter356.11 mm
Ab - Cage-Cone Frontface Clearance2 mm
Aa - Cage-Cone Backface Clearance6.9 mm
a - Effective Center Location311.4 mm
C90 - Dynamic Radial Rating (90 million revolutions)442100 lbf
C1 - Dynamic Radial Rating (1 million revolutions)5162000 lbf
C0 - Static Radial Rating387000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)631100 lbf
K - Factor71.35
e - ISO Factor80.43
Y - ISO Factor91.39
G1 - Heat Generation Factor (Roller-Raceway)1920
G2 - Heat Generation Factor (Rib-Roller End)265
Cg - Geometry Factor0.174
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Phone +54-12-4-352-0988
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