Technical data
Product specifications
Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.
Core specifications8 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | d | 215.9 mm |
| Outside diameter | D | 311 mm |
| Width | B | 25.4 mm |
| Basic dynamic load rating | C | 56 kN |
| Basic static load rating | C0 | 73 kN |
| Mass | ≈m | 6.7 kg |
| Minimum operating temperature | Tmin | -30 °C |
| Maximum operating temperature | Tmax | 80 °C |
Manufacturer Identity3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 398492 | |
| Brand | INA | |
| Base Type | XU080264 |
Product Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Construction | Crossed roller bearings without gear teeth, sealed on both sides | |
| Short Description | Slewing ring, Crossed roller bearing, without gear teeth |
Technical Data27 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore Diameter (D1) | 215.9 mm | |
| Outside Diameter (Da) | 311 mm | |
| Total Height (H) | 25.4 mm | |
| Basic Static Load Rating, Axial (C0A) | 148,000 N | |
| Height Of Individual Ring (H) | 25.4 mm | |
| Operating Temperature Min. (Tmin) | -30 °C | |
| Pitch Circle Diameter Fixing Holes (La) | 295.3 mm | |
| Basic Dynamic Load Rating, Axial (Ca) | 79,000 N | |
| Operating Temperature Max. (Tmax) | 80 °C | |
| Pitchcircle Diameter Fixing Holes Inner Ring (Li) | 231.8 mm | |
| Bore Diameter Lower Tolerance (Bore Diamete) | -0.026 mm | |
| Inner Diameter Outer Ring (Di) | 264.6 mm | |
| Number Of Fixing Holes In Inner Ring (Ni) | 12 | |
| Fixing Bore (Db) | 8.7 mm | |
| Outside Diameter Inner Ring (Da) | 263.4 mm | |
| Basic Dynamic Load Rating, Radial (Cr) | 56,000 N | |
| Countersunk Depth Of Fixing Holes (Ts) | 8.6 mm | |
| Bore Diameter Upper Tolerance (Bore Diamete) | 0 mm | |
| Countersunk Diameter Of Fixing Holes (Ds) | 13.7 mm | |
| Minimum Bearing Preload (Vspmin) | 0 mm | |
| Outside Diameter Lower Tolerance (Outside Diam) | -0.052 mm | |
| Basic Static Load Rating, Radial (C0R) | 73,000 N | |
| Maximum Bearing Preload (Vspmax) | 0.02 mm | |
| Max. Radial Load Screws (Frictional Contact) (Fr Zul) | 21,000 N | |
| Width Outer Ring (Ha) | 25.4 mm | |
| Number Of Fixing Holes In Outer Ring (Na) | 12 | |
| Outside Diameter Upper Tolerance (Outside Diam) | 0 mm |
