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 | XU120179 | |
| Bore diameter | d | 124.5 mm |
| Outside diameter | D | 234 mm |
| Width | B | 35 mm |
| Basic dynamic load rating | C | 74 kN |
| Basic static load rating | C0 | 94 kN |
| Mass | ≈m | 7.015 kg |
| Minimum operating temperature | Tmin | -30 °C |
| Maximum operating temperature | Tmax | 80 °C |
Manufacturer Identity3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 777218 | |
| Brand | INA | |
| Base Type | XU120179 |
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 Data30 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore Diameter (D1) | 124.5 mm | |
| Outside Diameter (Da) | 234 mm | |
| Total Height (H) | 35 mm | |
| Basic Static Load Rating, Axial (C0A) | 193,000 N | |
| Height Of Individual Ring (H) | 30 mm | |
| Operating Temperature Min. (Tmin) | -30 °C | |
| Pitch Circle Diameter Fixing Holes (La) | 214 mm | |
| Basic Dynamic Load Rating, Axial (Ca) | 104,000 N | |
| Operating Temperature Max. (Tmax) | 80 °C | |
| Pitchcircle Diameter Fixing Holes Inner Ring (Li) | 144.5 mm | |
| Outside Diameter Inner Ring Upper Tolerance (Outside Diam) | 0.2 mm | |
| Inner Diameter Outer Ring (Di) | 180 mm | |
| Number Of Fixing Holes In Inner Ring (Ni) | 12 | |
| Fixing Bore (Db) | 11 mm | |
| Outside Diameter Inner Ring (Da) | 178 mm | |
| Basic Dynamic Load Rating, Radial (Cr) | 74,000 N | |
| Inner Diameter Outer Ring Upper Tolerance (Inner Diamet) | 0.2 mm | |
| Length Centering Outer Ring (T) | 5 mm | |
| Minimum Bearing Preload (Vspmin) | 0 mm | |
| Max. Protrusion Lubrication Nipple (Umax) | 6 mm | |
| Outside Diameter Inner Ring Lower Tolerance (Outside Diam) | -0.2 mm | |
| Basic Static Load Rating, Radial (C0R) | 94,000 N | |
| Diameter Centring Inner Ring (Di Zt) | 126.5 mm | |
| Maximum Bearing Preload (Vspmax) | 0.02 mm | |
| Diameter Centring Outer Ring (Da Zt) | 232 mm | |
| Max. Radial Load Screws (Frictional Contact) (Fr Zul) | 33,600 N | |
| Width Outer Ring (Ha) | 30 mm | |
| Length Centering Inner Ring (T) | 5 mm | |
| Number Of Fixing Holes In Outer Ring (Na) | 12 | |
| Inner Diameter Outer Ring Lower Tolerance (Inner Diamet) | -0.2 mm |
