68FC493 KOYO Four-row cylindrical roller bearings
Brand Name:KOYO
Model Number:68FC493
Series:JF9500
Cone Part Number:JF9549
Cup Part Number:JF9510
Design Units:METRIC
Bearing Weight:3.70 Kg
Cage Type:Stamped Steel
d:95 mm
D:160.000 mm

Product Details

SeriesJF9500
Cone Part NumberJF9549
Cup Part NumberJF9510
Design UnitsMETRIC
Bearing Weight3.70 Kg
Cage TypeStamped Steel
d95 mm
D160.000 mm
B - Cone Width46.000 mm
C - Cup Width38 mm
B46.000 mm
R - Cone Backface To Clear Radius13.050 mm
r - Cup Backface To Clear Radius23.05 mm
da - Cone Frontface Backing Diameter105.41 mm
db - Cone Backface Backing Diameter111 mm
Da - Cup Frontface Backing Diameter154.43 mm
Db - Cup Backface Backing Diameter145.03 mm
Ab - Cage-Cone Frontface Clearance3.8 mm
Aa - Cage-Cone Backface Clearance0.8 mm
a - Effective Center Location3-10.7 mm
C90 - Dynamic Radial Rating (90 million revolutions)491900 N
C1 - Dynamic Radial Rating (1 million revolutions)5354000 N
C0 - Static Radial Rating506000 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)653200 N
K - Factor71.73
e - ISO Factor80.34
Y - ISO Factor91.77
G1 - Heat Generation Factor (Roller-Raceway)210
G2 - Heat Generation Factor (Rib-Roller End)39.7
Cg - Geometry Factor0.0998
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Company Profile

FGDB Pump Machinery Equipment Co., Ltd.
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