Technical data
Product specifications
Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.
Core specifications5 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Series | IR280X305X69 | |
| Bore diameter | d | 280 mm |
| Outside diameter | D | 305 mm |
| Width | B | 69 mm |
| Mass | ≈m | 6.1 kg |
Manufacturer Identity5 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 409977 | |
| Brand | INA | |
| Base Type | IR280X305X69 | |
| Old Designation | ["IR280X305X69"] | |
| X Life Marking | XL |
Product Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Construction | Inner ring IR..-XL, cylindrical | |
| Short Description | Inner ring |
Technical Data6 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore Diameter (D) | 280 mm | |
| Raceway Diameter Inner Ring (F) | 305 mm | |
| Total Width (B) | 69 mm | |
| Raceway Diameter Upper Tolerance (Raceway Diam) | -0.069 mm | |
| Minimum Chamfer Dimension (Rmin) | 2 mm | |
| Raceway Diameter Lower Tolerance (Raceway Diam) | -0.107 mm |