Specifications of TIMKEN Bearing 18690 - 18620-B
Specifications
| Series |
18600 |
| Cone Part Number |
18690 |
| Cup Part Number |
18620-B |
| Design Unit |
Inch |
| Bearing Weight |
2.4 lb1.1 Kg |
| Cage Material |
Stamped Steel |
Dimensions
| d – Bore |
1 13/16 in46.038 mm |
| D – Cup Outer Diameter |
3.125 in79.375 mm |
| D1 – Flange Outer Diameter |
3.3086 in84.038 mm |
| B – Cone Width |
0.6875 in17.463 mm |
| C – Cup Width |
0.5313 in13.495 mm |
| C1 – Cup Flange Width |
0.1406 in3.571 mm |
| T1 – Bearing Width to Flange |
0.2968 in7.539 mm |
Abutment and Fillet Dimensions
| R – Cone Backface “To Clear” Radius1 |
0.11 in2.8 mm |
| r – Cup Backface “To Clear” Radius2 |
0.06 in1.5 mm |
| da – Cone Frontface Backing Diameter |
2.01 in51 mm |
| db – Cone Backface Backing Diameter |
2.2 in56 mm |
| Da – Cup Frontface Backing Diameter |
3.05 in77.47 mm |
| Ab – Cage-Cone Frontface Clearance |
0.09 in2.3 mm |
| Aa – Cage-Cone Backface Clearance |
0.01 in0.3 mm |
| a – Effective Center Location3 |
-0.08 in-2 mm |
