66FC44200W KOYO Four-row cylindrical roller bearings
Brand Name:KOYO
Model Number:66FC44200W
Cone Part Number:HM914545
Design Units:Imperial
Cage Type:Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1:68000 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2:17600 lbf
d:2.7500 in
B - Cone Width:1.3125 in
R - Cone Backface To Clear Radius3:0.16 in
PDF 66FC44200W

Product Details

Cone Part NumberHM914545
Design UnitsImperial
Cage TypeStamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)168000 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)217600 lbf
d2.7500 in
B - Cone Width1.3125 in
R - Cone Backface To Clear Radius30.16 in
da - Cone Frontface Backing Diameter3.38 in
db - Cone Backface Backing Diameter3.74 in
Ab - Cage-Cone Frontface Clearance0.21 in
Aa - Cage-Cone Backface Clearance0.25 in
a - Effective Center Location40.49 in
C90 - Dynamic Radial Rating (90 million revolutions)510100 lbf
C1 - Dynamic Radial Rating (1 million revolutions)639100 lbf
C0 - Static Radial Rating45400 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)716200 lbf
K - Factor80.62
G1 - Heat Generation Factor (Roller-Raceway)71.5
G2 - Heat Generation Factor (Rib-Roller End)21.8
Cg - Geometry Factor0.0943
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Company Profile

FGDB Pump Machinery Equipment Co., Ltd.
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