313924 KOYO Four-row cylindrical roller bearings
Brand Name:KOYO
Model Number:313924
Cone Part Number:L420449
Design Units:Imperial
Cage Type:Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1:38300 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2:9920 lbf
d:4.0000 in
B - Cone Width:0.8438 in
R - Cone Backface To Clear Radius3:0.06 in
PDF 313924

Product Details

Cone Part NumberL420449
Design UnitsImperial
Cage TypeStamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)138300 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)29920 lbf
d4.0000 in
B - Cone Width0.8438 in
R - Cone Backface To Clear Radius30.06 in
da - Cone Frontface Backing Diameter4.21 in
db - Cone Backface Backing Diameter4.29 in
Ab - Cage-Cone Frontface Clearance0.08 in
Aa - Cage-Cone Backface Clearance0.02 in
a - Effective Center Location40.11 in
C90 - Dynamic Radial Rating (90 million revolutions)55700 lbf
C1 - Dynamic Radial Rating (1 million revolutions)622000 lbf
C0 - Static Radial Rating39400 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)73600 lbf
K - Factor81.59
G1 - Heat Generation Factor (Roller-Raceway)140
G2 - Heat Generation Factor (Rib-Roller End)102
Cg - Geometry Factor0.129
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Company Profile

TIMKEN BEARING MFG.CORP
Phone 409-782-6227
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