63,5 mm x 140,03 mm x 65,989 mm Timken 78251D/78551+Y1S-78551 tapered roller bearings
Browse 63,5 mm x 140,03 mm x 65,989 mm Timken 78251D/78551+Y1S-78551 tapered roller bearings Categories in the Manufacturers Online 63,5 mm x 140,03 mm x 65,989 mm 2mm9126wicrsum-timke SKU: Free. including NTN BEARING CORP. tapered roller bearings.
What is 78251D/78551+Y1S-78551 bearing interchange?
Brand Name: |
Timken |
Model Number: |
78251D/78551+Y1S-78551 |
Series: |
775 |
Cone Part Number: |
777 |
Design Units: |
Imperial |
Cage Type: |
Stamped Steel |
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1: |
135000 lbf |
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2: |
35100 lbf |
d: |
3.7500 in |
B - Cone Width: |
1.8900 in |
PDF |
78251D/78551+Y1S-78551 |
Product Details
Series |
775 |
Cone Part Number |
777 |
Design Units |
Imperial |
Cage Type |
Stamped Steel |
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1 |
135000 lbf |
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2 |
35100 lbf |
d |
3.7500 in |
B - Cone Width |
1.8900 in |
R - Cone Backface To Clear Radius3 |
0.380 in |
da - Cone Frontface Backing Diameter |
4.21 in |
db - Cone Backface Backing Diameter |
4.96 in |
Ab - Cage-Cone Frontface Clearance |
0.07 in |
Aa - Cage-Cone Backface Clearance |
0.13 in |
a - Effective Center Location4 |
-0.32 in |
C90 - Dynamic Radial Rating (90 million revolutions)5 |
20200 lbf |
C1 - Dynamic Radial Rating (1 million revolutions)6 |
77800 lbf |
C0 - Static Radial Rating |
111000 lbf |
Ca90 - Dynamic Thrust Rating (90 million revolutions)7 |
13300 lbf |
K - Factor8 |
1.51 |
G1 - Heat Generation Factor (Roller-Raceway) |
227.3 |
G2 - Heat Generation Factor (Rib-Roller End) |
41.3 |
Cg - Geometry Factor |
0.107 |