Timken 6381/6321 Taper Roller Bearing
Timken 6381/6321 Taper Roller Bearing
- It is a type of rolling element bearing designed to handle both radial and axial loads. The main distinguishing feature of taper roller bearings is their tapered rollers. It consist of an inner ring, an outer ring, tapered rollers, and a cage that holds the rollers in position.
Product Specification:
| Part Number | 6381-6321 |
| System of Measurement | Inch |
| Type | Bearing |
| Cone Part Number | 6381 |
| Cup Part Number | 6321 |
| Bearing Type | Roller |
| Roller Bearing Type | Tapered Roller |
| For Load Direction | Combined Radial and Thrust |
| Construction | Single Row |
| Seal Type | Open |
| Cups Type | Standard |
| Series | 6300 |
| Bore Dia | 2.1649″ |
| Bore Dia Tolerance | +0.013″ to 0 |
| Outer Dia | 5.1875″ |
| Outer Dia Tolerance | +0.025″ to 0 |
| Cone Width | 2.205″ |
| Cone Width Tolerance | +0.076″ to -0.254″ |
| Cup Width | 1.75″ |
| Cup Width Tolerance | +0.051″ to -0.254″ |
| Width | 2.125″ |
| Width Tolerance | +0.203″ to 0 |
| Cone Backface ToClear Radius | 0.14″ |
| Cup Backface ToClear Radius | 0.130″ |
| Cone Frontface Backing Diameter | 2.76″ |
| Cone Backface Backing Diameter | 2.99″ |
| Cup Frontface Backing Diameter | 4.96″ |
| Cup Backface Backing Diameter | 4.53″ |
| Cage Cone Frontface Clearance | 0.05″ |
| Cage Cone Backface Clearance | 0.13″ |
| Effective Center Location | -0.76″ |
| Ring Material | 52100 Chrome Steel |
| Roller Material | 52100 Chrome Steel |
| Cage Material | Steel |
| Dynamic Radial Load | 72300 lbf |
| Static Radial Load | 90900 lbf |
| Dynamic Radial Rating(90 Million Revolutions)(C90) | 18700 lbf |
| Dynamic Thrust Rating(90 Million Revolutions)(Ca90) | 10400 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 | 8.3 lb |
