313891-1 KOYO Four-row cylindrical roller bearings
Brand Name:KOYO
Model Number:313891-1
Series:6400
Cone Part Number:6460
Design Units:Imperial
Cage Type:Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1:161000 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2:41700 lbf
d:2.8750 in
B - Cone Width:2.1350 in
PDF 313891-1

Product Details

Series6400
Cone Part Number6460
Design UnitsImperial
Cage TypeStamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1161000 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)241700 lbf
d2.8750 in
B - Cone Width2.1350 in
R - Cone Backface To Clear Radius30.14 in
da - Cone Frontface Backing Diameter3.43 in
db - Cone Backface Backing Diameter3.66 in
Ab - Cage-Cone Frontface Clearance0.06 in
Aa - Cage-Cone Backface Clearance0.09 in
a - Effective Center Location4-0.59 in
C90 - Dynamic Radial Rating (90 million revolutions)524000 lbf
C1 - Dynamic Radial Rating (1 million revolutions)692400 lbf
C0 - Static Radial Rating104000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)714800 lbf
K - Factor81.61
G1 - Heat Generation Factor (Roller-Raceway)158
G2 - Heat Generation Factor (Rib-Roller End)29.1
Cg - Geometry Factor0.0931
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Company Profile

TIMKEN BEARING MFG.CORP
Phone 409-782-6227
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