70FC49350WK KOYO Four-row cylindrical roller bearings

Brand Name:KOYO
Model Number:70FC49350WK
Cone Part Number:LL575349
Cup Part Number:LL575310
Design Units:Imperial
Bearing Weight:25.100 Kg
Cage Type:Stamped Steel
d:539.750 mm
D:635.000 mm

Product Details

Cone Part NumberLL575349
Cup Part NumberLL575310
Design UnitsImperial
Bearing Weight25.100 Kg
Cage TypeStamped Steel
d539.750 mm
D635.000 mm
B - Cone Width50.8 mm
C - Cup Width38.100 mm
B50.800 mm
R - Cone Backface To Clear Radius16.35 mm
r - Cup Backface To Clear Radius26.35 mm
da - Cone Frontface Backing Diameter554.99 mm
db - Cone Backface Backing Diameter563.88 mm
Da - Cup Frontface Backing Diameter628.10 mm
Db - Cup Backface Backing Diameter611.89 mm
Ab - Cage-Cone Frontface Clearance4.8 mm
Aa - Cage-Cone Backface Clearance3 mm
a - Effective Center Location350.8 mm
C90 - Dynamic Radial Rating (90 million revolutions)452000 lbf
C1 - Dynamic Radial Rating (1 million revolutions)5201000 lbf
C0 - Static Radial Rating459000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)636100 lbf
K - Factor71.44
e - ISO Factor80.41
Y - ISO Factor91.48
G1 - Heat Generation Factor (Roller-Raceway)4810
G2 - Heat Generation Factor (Rib-Roller End)1200
Cg - Geometry Factor0.227
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