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 | XA120235 | |
| Bore diameter | d | 171 mm |
| Outside diameter | D | 318.8 mm |
| Height | H | 40 mm |
| Basic dynamic load rating | C | 92 kN |
| Basic static load rating | C0 | 138 kN |
| Mass | ≈m | 13.21 kg |
| Minimum operating temperature | Tmin | -30 °C |
| Maximum operating temperature | Tmax | 80 °C |
Manufacturer Identity3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 398445 | |
| Brand | INA | |
| Base Type | XA120235 |
Product Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Construction | Crossed roller bearings with external gear teeth, sealed | |
| Short Description | Slewing ring, crossed roller bearing, external gear teeth |
Technical Data29 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore Diameter (D1) | 171 mm | |
| Outside Diameter (Da) | 318.8 mm | |
| Basic Static Load Rating, Axial (C0A) | 280,000 N | |
| Number Of Teeth (Z) | 78 | |
| Height Of Individual Ring (H) | 35 mm | |
| Operating Temperature Min. (Tmin) | -30 °C | |
| Pitch Circle Diameter Gearing (D0) | 312 mm | |
| Pitch Circle Diameter Fixing Holes (La) | 275 mm | |
| Modul Of Gearing (M) | 4 mm | |
| Basic Dynamic Load Rating, Axial (Ca) | 129,000 N | |
| Operating Temperature Max. (Tmax) | 80 °C | |
| Total Height (H) | 40 mm | |
| Outside Diameter Inner Ring Upper Tolerance (Outside Diam) | 0.2 mm | |
| Max. Tooth Force Root Fatigue Strenght (At A Shock Factor Of 1,2) (Fz Norm) | 11,000 N | |
| Inner Diameter Outer Ring (Di) | 236 mm | |
| Number Of Fixing Holes In Inner Ring (Ni) | 12 | |
| Fixing Bore (Db) | 13 mm | |
| Outside Diameter Inner Ring (Da) | 234 mm | |
| Basic Dynamic Load Rating, Radial (Cr) | 92,000 N | |
| Minimum Bearing Preload (Vspmin) | 0 mm | |
| Max. Tooth Force Against Tooth Fracture (At A Shock Factor Of 1,35) (Fz Max) | 16,100 N | |
| Width Gearing (B) | 35 mm | |
| Outside Diameter Inner Ring Lower Tolerance (Outside Diam) | -0.2 mm | |
| Basic Static Load Rating, Radial (C0R) | 138,000 N | |
| Maximum Bearing Preload (Vspmax) | 0.02 mm | |
| Max. Radial Load Screws (Frictional Contact) (Fr Zul) | 53,000 N | |
| Pitchcircle Diameter Fixing Holes Inner Ring (Li) | 195 mm | |
| Width Outer Ring (Ha) | 35 mm | |
| Number Of Fixing Holes In Outer Ring (Na) | 12 |