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

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
R - Cone Backface To Clear Radius3 0.25 in
da - Cone Frontface Backing Diameter 11.61 in
db - Cone Backface Backing Diameter 11.97 in
Ab - Cage-Cone Frontface Clearance 0.36 in
Aa - Cage-Cone Backface Clearance 0.36 in
a - Effective Center Location4 -1.36 in
C90 - Dynamic Radial Rating (90 million revolutions)5 167000 lbf
C1 - Dynamic Radial Rating (1 million revolutions)6 645000 lbf
C0 - Static Radial Rating 1270000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)7 95200 lbf
K - Factor8 1.76
G1 - Heat Generation Factor (Roller-Raceway) 3853.2
G2 - Heat Generation Factor (Rib-Roller End) 220
Cg - Geometry Factor 0.205
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Phone 409-782-6227
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