Specifications of TIMKEN Bearing 495A - 493DC
Specifications
Series |
495 |
Cone Part Number |
495A |
Cup Part Number |
493DC |
Design Unit |
Inch |
Bearing Weight |
8.62 lb3.91 Kg |
Cage Material |
Stamped Steel |
Dimensions
d – Bore |
3 in76.2 mm |
D – Cup Outer Diameter |
5.3750 in136.525 mm |
B – Cone Width |
1.1720 in29.769 mm |
C – Double Cup Width |
2.125 in53.975 mm |
T – Bearing Width across Cones |
2.7500 in69.850 mm |
Abutment and Fillet Dimensions
R – Cone Backface “To Clear” Radius1 |
0.14 in3.6 mm |
r – Cup Backface “To Clear” Radius2 |
0.03 in0.8 mm |
db – Cone Backface Backing Diameter |
3.62 in92 mm |
Da – Cup Frontface Backing Diameter |
5.16 in130.05 mm |
Aa – Cage-Cone Backface Clearance |
0.07 in1.8 mm |
a – Effective Center Location3 |
-0.03 in-0.8 mm |
Basic Load Ratings
C90 – Dynamic Radial Rating (One-Row, 90 million revolutions)4 |
9000 lbf40000 N |
C1 – Dynamic Radial Rating (Two-Row, 1 million revolutions)5 |
60500 lbf269000 N |
C90(2) – Dynamic Radial Rating (Two-Row, 90 million revolutions)6 |
15700 lbf69700 N |
Ca90 – Dynamic Thrust Rating (90 million revolutions)7 |
6850 lbf30500 N |