Timken 78238 - 78551 Bearing

Timken 78238 - 78551 Bearing Specification

Series:78000     
Cone Part Number:78238     
Cup Part Number:78551     
Db - Cup Backface Backing Diameter:4.61 in      117.09 mm     
G2 - Heat Generation Factor (Rib-Roller End):19.1     
Cg - Geometry Factor:0.0884     
Da - Cup Frontface Backing Diameter:5.22 in      132.59 mm     
B - Cone Width:1.3085 in      33.236 mm     
D - Cup Outer Diameter:5.5130 in      140.030 mm     
e - ISO Factor2:0.87     
C1 - Dynamic Radial Rating (1 million revolutions)2:45600 lbf      203000 N     
r - Cup Backface "To Clear" Radius2:0.090 in      2.29 mm     
a - Effective Center Location3:0.31 in      7.90 mm     
C90 - Dynamic Radial Rating (90 million revolutions)1:11800 lbf      52600 N     
T - Bearing Width:1.4375 in      36.513 mm     
Design Units:Imperial     
Aa - Cage-Cone Backface Clearance:0.27 in      6.86 mm     
R - Cone Backface "To Clear" Radius1:0.200 in      5.080 mm     
Ab - Cage-Cone Frontface Clearance:0.16 in      4.06 mm     
Y - ISO Factor3:0.69     
G1 - Heat Generation Factor (Roller-Raceway):62.6     
Ca90 - Dynamic Thrust Rating (90 million revolutions)3:17500 lbf      77900 N     
db - Cone Backface Backing Diameter:3.46 in      87.88 mm     
C0 - Static Radial Rating:43400 lbf      193000 N     
Cage Type:Stamped Steel     
C - Cup Width:0.9260 in      23.520 mm     
K - Factor1:0.67     
Bearing Weight:5.5000 lb      2.5000 Kg     
Z - Number of Rollers Per Row:16     
da - Cone Frontface Backing Diameter:3.10 in      78.74 mm     
d - Cone Bore:2.3750 in      60.325 mm     
Type:  

Timken 78238 - 78551 Bearing Description

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