Specifications of TIMKEN Bearing 1987 - 1931-B
Specifications
| Series |
1900 |
| Cone Part Number |
1987 |
| Cup Part Number |
1931-B |
| Design Unit |
Inch |
| Bearing Weight |
0.8 lb0.4 Kg |
| Cage Material |
Stamped Steel |
Dimensions
| d – Bore |
1.062 in26.975 mm |
| D – Cup Outer Diameter |
2.375 in60.325 mm |
| D1 – Flange Outer Diameter |
2.5270 in64.186 mm |
| B – Cone Width |
0.7620 in19.355 mm |
| C – Cup Width |
0.6250 in15.875 mm |
| C1 – Cup Flange Width |
0.1562 in3.967 mm |
| T1 – Bearing Width to Flange |
0.3125 in7.938 mm |
Abutment and Fillet Dimensions
| R – Cone Backface “To Clear” Radius1 |
0.03 in0.8 mm |
| r – Cup Backface “To Clear” Radius2 |
0.03 in0.8 mm |
| da – Cone Frontface Backing Diameter |
1.24 in31.5 mm |
| db – Cone Backface Backing Diameter |
1.28 in32.5 mm |
| Da – Cup Frontface Backing Diameter |
2.26 in57.40 mm |
| Ab – Cage-Cone Frontface Clearance |
0.08 in2 mm |
| Aa – Cage-Cone Backface Clearance |
0 in0 mm |
| a – Effective Center Location3 |
-0.23 in-5.8 mm |
