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 | VA250309 | |
| Bore diameter | d | 235 mm |
| Outside diameter | D | 408.4 mm |
| Width | B | 60 mm |
| Basic dynamic load rating | C | 232 kN |
| Basic static load rating | C0 | 295 kN |
| Mass | ≈m | 29.5 kg |
| Minimum operating temperature | Tmin | -25 °C |
| Maximum operating temperature | Tmax | 80 °C |
Manufacturer Identity3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 398166 | |
| Brand | INA | |
| Base Type | VA250309 |
Product Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Construction | Slewing ring, 4 point contact bearing, external gear teeth | |
| Short Description | Slewing ring, 4 point contact bearing, external gear teeth |
Technical Data32 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore Diameter (D1) | 235 mm | |
| Outside Diameter (Da) | 408.4 mm | |
| Total Height (H) | 60 mm | |
| Basic Static Load Rating, Axial (C0A) | 640,000 N | |
| Number Of Teeth (Z) | 80 | |
| Height Of Individual Ring (H) | 52.5 mm | |
| Operating Temperature Min. (Tmin) | -25 °C | |
| Pitch Circle Diameter Gearing (D0) | 400 mm | |
| Modul Of Gearing (M) | 5 mm | |
| Basic Dynamic Load Rating, Axial (Ca) | 255,000 N | |
| Operating Temperature Max. (Tmax) | 80 °C | |
| Pitchcircle Diameter Fixing Holes Inner Ring (Li) | 259 mm | |
| Normal Axial Clearance Min. (Normal Axial) | 0.1 mm | |
| Max. Tooth Force Root Fatigue Strenght (At A Shock Factor Of 1,2) (Fz Norm) | 12,900 N | |
| Inner Diameter Outer Ring (Di) | 308 mm | |
| Normal Axial Clearance Max. (Normal Axial) | 0.41 mm | |
| Number Of Fixing Holes In Inner Ring (Ni) | 24 | |
| Fixing Bore (Db) | 13 mm | |
| Outside Diameter Inner Ring (Da) | 310 mm | |
| Basic Dynamic Load Rating, Radial (Cr) | 232,000 N | |
| Length Centering Outer Ring (T) | 3 mm | |
| Max. Tooth Force Against Tooth Fracture (At A Shock Factor Of 1,35) (Fz Max) | 18,800 N | |
| Width Gearing (B) | 52.5 mm | |
| Basic Static Load Rating, Radial (C0R) | 295,000 N | |
| Pitch Circle Diameter Fixing Holes (La) | 359 mm | |
| Max. Radial Load Screws (Frictional Contact) (Fr Zul) | 99,100 N | |
| Width Outer Ring (Ha) | 52.5 mm | |
| Normal Radial Clearance Min. (Normal Radia) | 0.06 mm | |
| Diameter Centring Outer Ring (Di Zt) | 310 mm | |
| Normal Radial Clearance Max. (Normal Radia) | 0.25 mm | |
| Length Centering Inner Ring (T) | 8 mm | |
| Number Of Fixing Holes In Outer Ring (Na) | 24 |