Specifications of TIMKEN Bearing 663A - 654DC
Specifications
Series |
655 |
Cone Part Number |
663A |
Cup Part Number |
654DC |
Design Unit |
Inch |
Bearing Weight |
14.96 lb6.784 Kg |
Cage Material |
Stamped Steel |
Dimensions
d – Bore |
3.25 in82.55 mm |
D – Cup Outer Diameter |
6 in152.4 mm |
B – Cone Width |
1.6250 in41.275 mm |
C – Double Cup Width |
3.0000 in76.200 mm |
T – Bearing Width across Cones |
3.7499 in95.247 mm |
Abutment and Fillet Dimensions
R – Cone Backface “To Clear” Radius1 |
0.270 in6.900 mm |
r – Cup Backface “To Clear” Radius2 |
0.06 in1.5 mm |
db – Cone Backface Backing Diameter |
4.13 in105 mm |
Da – Cup Frontface Backing Diameter |
5.57 in141.48 mm |
Aa – Cage-Cone Backface Clearance |
0.17 in4.3 mm |
a – Effective Center Location3 |
-0.31 in-7.9 mm |
Basic Load Ratings
C90 – Dynamic Radial Rating (One-Row, 90 million revolutions)4 |
14400 lbf64000 N |
C1 – Dynamic Radial Rating (Two-Row, 1 million revolutions)5 |
96700 lbf430000 N |
C90(2) – Dynamic Radial Rating (Two-Row, 90 million revolutions)6 |
25100 lbf112000 N |
Ca90 – Dynamic Thrust Rating (90 million revolutions)7 |
10100 lbf44800 N |