Specifications of TIMKEN Bearing 496D - 493A
Specifications
Series |
495 |
Cone Part Number |
496D |
Cup Part Number |
493A |
Design Unit |
Inch |
Bearing Weight |
1.8 lb0.8 Kg |
Cage Material |
Stamped Steel |
Dimensions
d – Bore |
3 3/16 in80.963 mm |
D – Cup Outer Diameter |
5.3140 in134.976 mm |
B – Double Cone Width |
2.3440 in59.538 mm |
C – Cup Width |
0.8750 in22.225 mm |
T – Bearing Width across Cups |
2.3750 in60.325 mm |
Abutment and Fillet Dimensions
R – Cone Backface “To Clear” Radius1 |
0.06 in1.5 mm |
r – Cup Backface “To Clear” Radius2 |
0.130 in3.3 mm |
da – Cone Frontface Backing Diameter |
3.58 in91 mm |
Db – Cup Backface Backing Diameter |
4.76 in120.90 mm |
Ab – Cage-Cone Frontface Clearance |
0.12 in3 mm |
Basic Load Ratings
C90 – Dynamic Radial Rating (One-Row, 90 million revolutions)3 |
9000 lbf40000 N |
C1 – Dynamic Radial Rating (Two-Row, 1 million revolutions)4 |
60500 lbf269000 N |
C90(2) – Dynamic Radial Rating (Two-Row, 90 million revolutions)5 |
15700 lbf69700 N |
Ca90 – Dynamic Thrust Rating (90 million revolutions)6 |
6850 lbf30500 N |