
| Part Number | 688TD-672 |
| System of Measurement | Inch |
| Type | Bearing |
| Cone Part Number | 688TD |
| Cup Part Number | 672 |
| Bearing Type | Roller |
| Roller Bearing Type | Tapered |
| For Load Direction | Combined |
| Construction | Double Row |
| Seal Type | Open |
| Cups Type | Standard |
| Series | 675 |
| Bore Dia | 3.9453″ |
| Bore Dia Tolerance | +0.001″ to 0 |
| Outer Dia | 6.625″ |
| Outer Dia Tolerance | +0.001″ to 0 |
| Double Cone Width | 3.75″ |
| Double Cone Width Tolerance | +0.003″ to -0.01 |
| Cup Width | 1.1875″ |
| Cup Width Tolerance | +0.002″ to -0.01 |
| Bearing Width Across Cups | 3.75″ |
| Bearing Width Across Cups Tolerance | +0.008″ to 0 |
| Cone Backface ToClear Radius | 0.03″ |
| Cup Backface ToClear Radius | 0.13″ |
| Cup Backface Backing Diameter | 5.87″ |
| Dynamic Radial Load | 97800 lbf |
| Ring Material | Chrome Steel |
| Roller Material | Chrome Steel |
| Cage Material | Steel |
| Dynamic Radial Rating(One Row 90 Million Revolutions) | 14600 lbf |
| Dynamic Thrust Rating(90 Million Revolutions) | 11700 lbf |
| Dynamic Radial Rating(Two Row 90 Million Revolutions) | 25400 lbf |
| Lubrication | Required |
| Temperature Range | -30° to 110 °C |
| ABEC Rating | ABEC-1 |
| Radial Clearance | Standard (Available in C3/C4/C5) |
| RoHS | Compliant |
| REACH | Compliant |
| Weight | 17.2 lb |









