88DC62225 KOYO Double-row cylindrical roller bearings
Brand Name:KOYO
Model Number:88DC62225
Series:M349500
Cone Part Number:M349549
Cup Part Number:M349512XX
Design Units:Imperial
Bearing Weight:13.80 Kg
Cage Type:Stamped Steel
d:257.175 mm
D:342.900 mm
PDF 88DC62225

Product Details

SeriesM349500
Cone Part NumberM349549
Cup Part NumberM349512XX
Design UnitsImperial
Bearing Weight13.80 Kg
Cage TypeStamped Steel
d257.175 mm
D342.900 mm
B - Cone Width57.150 mm
C - Cup Width44.450 mm
B57.150 mm
R - Cone Backface To Clear Radius16.35 mm
r - Cup Backface To Clear Radius23.30 mm
da - Cone Frontface Backing Diameter268.99 mm
db - Cone Backface Backing Diameter280.92 mm
Da - Cup Frontface Backing Diameter333.00 mm
Db - Cup Backface Backing Diameter322.07 mm
Ab - Cage-Cone Frontface Clearance4.3 mm
Aa - Cage-Cone Backface Clearance3.8 mm
a - Effective Center Location32.5 mm
C90 - Dynamic Radial Rating (90 million revolutions)439700 lbf
C1 - Dynamic Radial Rating (1 million revolutions)5153000 lbf
C0 - Static Radial Rating321000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)623600 lbf
K - Factor71.68
e - ISO Factor80.35
Y - ISO Factor91.73
G1 - Heat Generation Factor (Roller-Raceway)1423.3
G2 - Heat Generation Factor (Rib-Roller End)193.4
Cg - Geometry Factor0.147
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Company Profile

TIMKEN BEARING MFG.CORP
Phone 409-782-6227
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