313893-1 KOYO Four-row cylindrical roller bearings
Brand Name:KOYO
Model Number:313893-1
Series:2500
Cone Part Number:2560X
Cup Part Number:2520
Design Units:Imperial
Bearing Weight:0.4 Kg
Cage Type:Stamped Steel
d:30 mm
D:66.421 mm
PDF 313893-1

Product Details

Series2500
Cone Part Number2560X
Cup Part Number2520
Design UnitsImperial
Bearing Weight0.4 Kg
Cage TypeStamped Steel
d30 mm
D66.421 mm
B - Cone Width25.357 mm
C - Cup Width20.638 mm
B25.400 mm
R - Cone Backface To Clear Radius12.030 mm
r - Cup Backface To Clear Radius23.30 mm
da - Cone Frontface Backing Diameter36.07 mm
db - Cone Backface Backing Diameter39.62 mm
Da - Cup Frontface Backing Diameter62.99 mm
Db - Cup Backface Backing Diameter56.90 mm
Ab - Cage-Cone Frontface Clearance1.5 mm
Aa - Cage-Cone Backface Clearance0.5 mm
a - Effective Center Location3-8.6 mm
C90 - Dynamic Radial Rating (90 million revolutions)44880 lbf
C1 - Dynamic Radial Rating (1 million revolutions)518800 lbf
C0 - Static Radial Rating21200 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)62280 lbf
K - Factor72.14
e - ISO Factor80.27
Y - ISO Factor92.19
G1 - Heat Generation Factor (Roller-Raceway)23.6
G2 - Heat Generation Factor (Rib-Roller End)9.6
Cg - Geometry Factor0.0656
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Company Profile

TIMKEN BEARING MFG.CORP
Phone 409-782-6227
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