40FC31206 KOYO Four-row cylindrical roller bearings
Brand Name:KOYO
Model Number:40FC31206
Series:HH258200
Cone Part Number:HH258232
Design Units:Imperial
Cage Type:Pin-Type
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1:1120000 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2:291000 lbf
d:10.0000 in
B - Cone Width:5.5625 in
PDF 40FC31206

Product Details

SeriesHH258200
Cone Part NumberHH258232
Design UnitsImperial
Cage TypePin-Type
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)11120000 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2291000 lbf
d10.0000 in
B - Cone Width5.5625 in
R - Cone Backface To Clear Radius30.25 in
da - Cone Frontface Backing Diameter11.61 in
db - Cone Backface Backing Diameter11.97 in
Ab - Cage-Cone Frontface Clearance0.36 in
Aa - Cage-Cone Backface Clearance0.36 in
a - Effective Center Location4-1.36 in
C90 - Dynamic Radial Rating (90 million revolutions)5167000 lbf
C1 - Dynamic Radial Rating (1 million revolutions)6645000 lbf
C0 - Static Radial Rating1270000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)795200 lbf
K - Factor81.76
G1 - Heat Generation Factor (Roller-Raceway)3853.2
G2 - Heat Generation Factor (Rib-Roller End)220
Cg - Geometry Factor0.205
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Company Profile

TIMKEN BEARING MFG.CORP
Phone 409-782-6227
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