Technical data
Product specifications
Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.
Core specifications9 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Series | GE280-DO | |
| Bore diameter | d | 280 mm |
| Outside diameter | D | 400 mm |
| Width | B | 155 mm |
| Basic dynamic load rating | C | 4640 kN |
| Basic static load rating | C0 | 17900 kN |
| Mass | ≈m | 64.5 kg |
| Minimum operating temperature | Tmin | -30 °C |
| Maximum operating temperature | Tmax | 130 °C |
Manufacturer Identity4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 347988 | |
| Brand | INA | |
| Base Type | GE280-DO | |
| X Life Marking | n.r. |
Product Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Construction | High performance radial spherical plain bearing, requiring maintenance, sliding contact surface: steel/steel, DIN ISO 12240-1, dimension series E, sealedHigh-performance: For highest load rating and lifetime demands | |
| Short Description | Spherical plain bearing |
Technical Data24 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore Diameter Bearing (D) | 280 mm | |
| Outside Diameter Bearing (D) | 400 mm | |
| Width Inner Ring (B) | 155 mm | |
| Basic Dynamic Load Rating, Radial (Cr) | 4,640,000 N | |
| Basic Static Load Rating, Radial (C0R) | 17,900,000 N | |
| Operating Temperature Min. (Tmin) | -30 °C | |
| Operating Temperature Max. (Tmax) | 130 °C | |
| Housing Connection Diameter (Da Min) | 342 mm | |
| Width Inner Ring, Upper Tolerance (Bot) | 0 mm | |
| Edge Spacing (R1Smin) | 1.1 mm | |
| Outside Diameter, Upper Tolerance (Dot) | 0 mm | |
| Bore Diameter Bearing, Upper Tolerance (Dot) | 0 mm | |
| Radial Clearance, Maximum (Grmax) | 0.214 mm | |
| Radial Clearance, Minimum (Grmin) | 0.11 mm | |
| Width, Outer Ring (C) | 120 mm | |
| Width Outer Ring, Lower Tolerance (Cot) | -0.8 mm | |
| Edge Spacing (R2Smin) | 1.1 mm | |
| Ball Diameter (Dk) | 350 mm | |
| Width Outer Ring, Upper Tolerance (Cut) | 0 mm | |
| Bore Diameter Bearing, Lower Tolerance (Dut) | -0.035 mm | |
| Tilt Angle (Α) | 6 ° | |
| Width Inner Ring, Lower Tolerance (But) | -0.35 mm | |
| Connection Measure Inner Ring (Da Max) | 313.8 mm | |
| Outside Diameter, Lower Tolerance (Dut) | -0.04 mm |
