172FC11678 KOYO Four-row cylindrical roller bearings
Brand Name:KOYO
Model Number:172FC11678
Cone Part Number:LL584449
Design Units:Imperial
Cage Type:Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1:425000 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2:110000 lbf
d:31.5625 in
B - Cone Width:2.3125 in
R - Cone Backface To Clear Radius3:0.14 in

Product Details

Cone Part NumberLL584449
Design UnitsImperial
Cage TypeStamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1425000 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2110000 lbf
d31.5625 in
B - Cone Width2.3125 in
R - Cone Backface To Clear Radius30.14 in
da - Cone Frontface Backing Diameter32.24 in
db - Cone Backface Backing Diameter32.36 in
Ab - Cage-Cone Frontface Clearance0.23 in
Aa - Cage-Cone Backface Clearance0.23 in
a - Effective Center Location43.11 in
C90 - Dynamic Radial Rating (90 million revolutions)563300 lbf
C1 - Dynamic Radial Rating (1 million revolutions)6244000 lbf
C0 - Static Radial Rating778000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)742900 lbf
K - Factor81.47
G1 - Heat Generation Factor (Roller-Raceway)12400
G2 - Heat Generation Factor (Rib-Roller End)2700
Cg - Geometry Factor0.306
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Company Profile

FGDB Pump Machinery Equipment Co., Ltd.
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