28138/28300X TIMKEN Cylindrical Roller Radial Bearings
Brand Name:TIMKEN
Model Number:28138/28300X
Series:128000
Cone Part Number:EE128112
Cup Part Number:128160
Design Units:Imperial
Bearing Weight:27.1 Kg
Cage Type:Stamped Steel
d:279.999 mm
D:406.400 mm
PDF 28138/28300X

Product Details

Series128000
Cone Part NumberEE128112
Cup Part Number128160
Design UnitsImperial
Bearing Weight27.1 Kg
Cage TypeStamped Steel
d279.999 mm
D406.400 mm
B - Cone Width67.673 mm
C - Cup Width53.975 mm
B69.850 mm
R - Cone Backface To Clear Radius16.35 mm
r - Cup Backface To Clear Radius23.30 mm
da - Cone Frontface Backing Diameter307.09 mm
db - Cone Backface Backing Diameter308.10 mm
Da - Cup Frontface Backing Diameter384.30 mm
Db - Cup Backface Backing Diameter377.95 mm
Ab - Cage-Cone Frontface Clearance2.3 mm
Aa - Cage-Cone Backface Clearance7.4 mm
a - Effective Center Location36.6 mm
C90 - Dynamic Radial Rating (90 million revolutions)450600 lbf
C1 - Dynamic Radial Rating (1 million revolutions)5195000 lbf
C0 - Static Radial Rating374000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)633400 lbf
K - Factor71.51
e - ISO Factor80.39
Y - ISO Factor91.55
G1 - Heat Generation Factor (Roller-Raceway)1620
G2 - Heat Generation Factor (Rib-Roller End)240
Cg - Geometry Factor0.159
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Company Profile

KRF bearing Co., Ltd
Phone 765-685-2500
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