Technical data
Product specifications
Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.
Core specifications10 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Series | XSU080318 | |
| Bore diameter | d | 280 mm |
| Outside diameter | D | 355 mm |
| Width | B | 25.4 mm |
| Basic dynamic load rating | C | 66 kN |
| Basic static load rating | C0 | 227 kN |
| Limiting speed | nG | 120 r/min |
| Mass | ≈m | 6.1 kg |
| Minimum operating temperature | Tmin | -30 °C |
| Maximum operating temperature | Tmax | 80 °C |
Manufacturer Identity3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 781147 | |
| Brand | INA | |
| Base Type | XSU080318 |
Product Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Construction | Crossed roller bearings standard series 08, without gear teeth, lamellar seals on both sides | |
| Short Description | Slewing ring, Crossed roller bearing, without gear teeth |
Technical Data28 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore Diameter (D1) | 280 mm | |
| Outside Diameter (Da) | 355 mm | |
| Total Height (H) | 25.4 mm | |
| Basic Static Load Rating, Axial (C0A) | 465,000 N | |
| Height Of Individual Ring (H) | 24.8 mm | |
| Operating Temperature Min. (Tmin) | -30 °C | |
| Pitch Circle Diameter Fixing Holes (La) | 340 mm | |
| Basic Dynamic Load Rating, Axial (Ca) | 93,000 N | |
| Operating Temperature Max. (Tmax) | 80 °C | |
| Limiting Speed (Limiting Spe) | 120 1/min | |
| Pitchcircle Diameter Fixing Holes Inner Ring (Li) | 295 mm | |
| Bore Diameter Lower Tolerance (Bore Diamete) | 0 mm | |
| Inner Diameter Outer Ring (Di) | 324 mm | |
| Groove Radius (Rgroove) | 5 mm | |
| Number Of Fixing Holes In Inner Ring (Ni) | 28 | |
| Fixing Bore (Db) | 6.8 mm | |
| Outside Diameter Inner Ring (Da) | 309 mm | |
| Basic Dynamic Load Rating, Radial (Cr) | 66,000 N | |
| Countersunk Depth Of Fixing Holes (Ts) | 6.8 mm | |
| Running Accuracy A (Related To The Raceway) (Running Accu) | 0.01 mm | |
| Bore Diameter Upper Tolerance (Bore Diamete) | 0.032 mm | |
| Countersunk Diameter Of Fixing Holes (Ds) | 11 mm | |
| Outside Diameter Lower Tolerance (Outside Diam) | -0.036 mm | |
| Basic Static Load Rating, Radial (C0R) | 227,000 N | |
| Max. Radial Load Screws (Frictional Contact) (Fr Zul) | 19,100 N | |
| Width Outer Ring (Ha) | 24.8 mm | |
| Number Of Fixing Holes In Outer Ring (Na) | 28 | |
| Outside Diameter Upper Tolerance (Outside Diam) | 0 mm |
