Specifications of TIMKEN Bearing 67790 - 67721D
Specifications
Series |
67700 |
Cone Part Number |
67790 |
Cup Part Number |
67721D |
Design Unit |
Inch |
Bearing Weight |
31.1 lb14.105 Kg |
Cage Material |
Stamped Steel |
Dimensions
d – Bore |
7 in177.8 mm |
D – Cup Outer Diameter |
9.75 in247.65 mm |
B – Cone Width |
1.875 in47.625 mm |
C – Double Cup Width |
3.4375 in87.313 mm |
T – Bearing Width across Cones |
4.1874 in106.360 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 |
7.64 in194 mm |
Da – Cup Frontface Backing Diameter |
9.48 in240.03 mm |
Aa – Cage-Cone Backface Clearance |
0.17 in4.3 mm |
a – Effective Center Location3 |
0.19 in4.8 mm |
Basic Load Ratings
C90 – Dynamic Radial Rating (One-Row, 90 million revolutions)4 |
23600 lbf105000 N |
C1 – Dynamic Radial Rating (Two-Row, 1 million revolutions)5 |
159000 lbf705000 N |
C90(2) – Dynamic Radial Rating (Two-Row, 90 million revolutions)6 |
41100 lbf183000 N |
Ca90 – Dynamic Thrust Rating (90 million revolutions)7 |
17800 lbf79000 N |