Specifications of TIMKEN Bearing 780 - 772-B
Specifications
| Series |
775 |
| Cone Part Number |
780 |
| Cup Part Number |
772-B |
| Design Unit |
Inch |
| Bearing Weight |
11.4 lb5.20 Kg |
| Cage Material |
Stamped Steel |
Dimensions
| d – Bore |
4 in101.6 mm |
| D – Cup Outer Diameter |
7.125 in180.975 mm |
| D1 – Flange Outer Diameter |
7.4330 in188.798 mm |
| B – Cone Width |
1.8900 in48.006 mm |
| C – Cup Width |
1.5000 in38.100 mm |
| C1 – Cup Flange Width |
0.3125 in7.938 mm |
| T1 – Bearing Width to Flange |
0.6875 in17.463 mm |
Abutment and Fillet Dimensions
| R – Cone Backface “To Clear” Radius1 |
0.14 in3.6 mm |
| r – Cup Backface “To Clear” Radius2 |
0.130 in3.3 mm |
| da – Cone Frontface Backing Diameter |
4.45 in113 mm |
| db – Cone Backface Backing Diameter |
4.69 in119 mm |
| Da – Cup Frontface Backing Diameter |
6.65 in168.90 mm |
| Ab – Cage-Cone Frontface Clearance |
0.07 in1.8 mm |
| Aa – Cage-Cone Backface Clearance |
0.13 in3.3 mm |
| a – Effective Center Location3 |
-0.32 in-8.1 mm |
