Specifications of TIMKEN Bearing 645 - 632DC
Specifications
Series |
635 |
Cone Part Number |
645 |
Cup Part Number |
632DC |
Design Unit |
Inch |
Bearing Weight |
12.18 lb5.525 Kg |
Cage Material |
Stamped Steel |
Dimensions
d – Bore |
2 13/16 in71.438 mm |
D – Cup Outer Diameter |
5.3750 in136.525 mm |
B – Cone Width |
1.6250 in41.275 mm |
C – Double Cup Width |
3.0000 in76.200 mm |
T – Bearing Width across Cones |
3.75 in95.25 mm |
Abutment and Fillet Dimensions
R – Cone Backface “To Clear” Radius1 |
0.25 in6.4 mm |
r – Cup Backface “To Clear” Radius2 |
0.06 in1.5 mm |
db – Cone Backface Backing Diameter |
3.66 in93 mm |
Da – Cup Frontface Backing Diameter |
4.96 in125.98 mm |
Aa – Cage-Cone Backface Clearance |
0.15 in3.8 mm |
a – Effective Center Location3 |
-0.44 in-11.2 mm |
Basic Load Ratings
C90 – Dynamic Radial Rating (One-Row, 90 million revolutions)4 |
16100 lbf71600 N |
C1 – Dynamic Radial Rating (Two-Row, 1 million revolutions)5 |
108000 lbf481000 N |
C90(2) – Dynamic Radial Rating (Two-Row, 90 million revolutions)6 |
28000 lbf125000 N |
Ca90 – Dynamic Thrust Rating (90 million revolutions)7 |
9980 lbf44400 N |