Specifications of TIMKEN Bearing 3877 - 3820-B
Specifications
| Series |
3800 |
| Cone Part Number |
3877 |
| Cup Part Number |
3820-B |
| Design Unit |
Inch |
| Bearing Weight |
1.8 lb0.8 Kg |
| Cage Material |
Stamped Steel |
Dimensions
| d – Bore |
1 5/8 in41.275 mm |
| D – Cup Outer Diameter |
3.3750 in85.725 mm |
| D1 – Flange Outer Diameter |
3.5270 in89.586 mm |
| B – Cone Width |
1.1875 in30.163 mm |
| C – Cup Width |
0.9375 in23.813 mm |
| C1 – Cup Flange Width |
0.1875 in4.763 mm |
| T1 – Bearing Width to Flange |
0.4375 in11.113 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 |
1.98 in50 mm |
| db – Cone Backface Backing Diameter |
2.24 in57 mm |
| Da – Cup Frontface Backing Diameter |
3.29 in83.57 mm |
| Ab – Cage-Cone Frontface Clearance |
0.11 in2.8 mm |
| Aa – Cage-Cone Backface Clearance |
0.04 in1 mm |
| a – Effective Center Location3 |
-0.32 in-8.1 mm |
