38FC27170A KOYO Four-row cylindrical roller bearings
Brand Name:KOYO
Model Number:38FC27170A
Series:77000
Cone Part Number:77375
Design Units:Imperial
Cage Type:Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1:158000 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2:40900 lbf
d:3.7500 in
B - Cone Width:1.9000 in
PDF 38FC27170A

Product Details

Series77000
Cone Part Number77375
Design UnitsImperial
Cage TypeStamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1158000 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)240900 lbf
d3.7500 in
B - Cone Width1.9000 in
R - Cone Backface To Clear Radius30.14 in
da - Cone Frontface Backing Diameter4.17 in
db - Cone Backface Backing Diameter4.45 in
Ab - Cage-Cone Frontface Clearance0.07 in
Aa - Cage-Cone Backface Clearance0.11 in
a - Effective Center Location4-0.38 in
C90 - Dynamic Radial Rating (90 million revolutions)523500 lbf
C1 - Dynamic Radial Rating (1 million revolutions)690500 lbf
C0 - Static Radial Rating107000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)714700 lbf
K - Factor81.59
G1 - Heat Generation Factor (Roller-Raceway)206
G2 - Heat Generation Factor (Rib-Roller End)37.7
Cg - Geometry Factor0.102
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Company Profile

TIMKEN BEARING MFG.CORP
Phone 409-782-6227
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