Specifications of TIMKEN Bearing 67989 - 67921D
Specifications
Series |
67900 |
Cone Part Number |
67989 |
Cup Part Number |
67921D |
Design Unit |
Inch |
Bearing Weight |
37.55 lb17.032 Kg |
Cage Material |
Stamped Steel |
Dimensions
d – Bore |
8.2500 in209.550 mm |
D – Cup Outer Diameter |
11.1250 in282.575 mm |
B – Cone Width |
1.8125 in46.038 mm |
C – Double Cup Width |
3.5000 in88.900 mm |
T – Bearing Width across Cones |
4.25 in107.95 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 |
8.94 in227 mm |
Da – Cup Frontface Backing Diameter |
10.87 in276.10 mm |
Aa – Cage-Cone Backface Clearance |
0.15 in3.8 mm |
a – Effective Center Location3 |
0.63 in16 mm |
Basic Load Ratings
C90 – Dynamic Radial Rating (One-Row, 90 million revolutions)4 |
29300 lbf130000 N |
C1 – Dynamic Radial Rating (Two-Row, 1 million revolutions)5 |
197000 lbf875000 N |
C90(2) – Dynamic Radial Rating (Two-Row, 90 million revolutions)6 |
51000 lbf227000 N |
Ca90 – Dynamic Thrust Rating (90 million revolutions)7 |
25500 lbf114000 N |