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 | VLA200744 | |
| Bore diameter | d | 634 mm |
| Outside diameter | D | 838.1 mm |
| Width | B | 56 mm |
| Basic dynamic load rating | C | 155 kN |
| Basic static load rating | C0 | 197 kN |
| Mass | ≈m | 54.5 kg |
| Minimum operating temperature | Tmin | -25 °C |
| Maximum operating temperature | Tmax | 80 °C |
Manufacturer Identity3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 398187 | |
| Brand | INA | |
| Base Type | VLA200744 |
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 Data34 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore Diameter (D1) | 634 mm | |
| Outside Diameter (Da) | 838.1 mm | |
| Total Height (H) | 56 mm | |
| Basic Static Load Rating, Axial (C0A) | 530,000 N | |
| Number Of Teeth (Z) | 138 | |
| Height Of Individual Ring (H) | 44.5 mm | |
| Operating Temperature Min. (Tmin) | -25 °C | |
| Pitch Circle Diameter Gearing (D0) | 828 mm | |
| Modul Of Gearing (M) | 6 mm | |
| Basic Dynamic Load Rating, Axial (Ca) | 171,000 N | |
| Operating Temperature Max. (Tmax) | 80 °C | |
| Pitchcircle Diameter Fixing Holes Inner Ring (Li) | 662 mm | |
| Outside Diameter Inner Ring Upper Tolerance (Outside Diam) | 0 mm | |
| Bore Diameter Lower Tolerance (Bore Diamete) | 0 mm | |
| Max. Tooth Force Root Fatigue Strenght (At A Shock Factor Of 1,2) (Fz Norm) | 21,300 N | |
| Inner Diameter Outer Ring (Di) | 745.5 mm | |
| Number Of Fixing Holes In Inner Ring (Ni) | 16 | |
| Fixing Bore (Db) | 18 mm | |
| Outside Diameter Inner Ring (Da) | 742.5 mm | |
| Basic Dynamic Load Rating, Radial (Cr) | 155,000 N | |
| Height Of Flange (Hf) | 12 mm | |
| Inner Diameter Outer Ring Upper Tolerance (Inner Diamet) | 0.6 mm | |
| Thread Depth Oil Connector (Tg) | 20 mm | |
| Bore Diameter Upper Tolerance (Bore Diamete) | 0.6 mm | |
| Max. Tooth Force Against Tooth Fracture (At A Shock Factor Of 1,35) (Fz Max) | 31,500 N | |
| Outside Diameter Inner Ring Lower Tolerance (Outside Diam) | -0.6 mm | |
| Basic Static Load Rating, Radial (C0R) | 197,000 N | |
| Pitch Circle Diameter Fixing Holes (La) | 785 mm | |
| Ring Cross Section (Ha) | 20 mm | |
| Max. Radial Load Screws (Frictional Contact) (Fr Zul) | 74,300 N | |
| Width Outer Ring (Ha) | 44.5 mm | |
| Length Centering Inner Ring (T) | 12 mm | |
| Number Of Fixing Holes In Outer Ring (Na) | 18 | |
| Inner Diameter Outer Ring Lower Tolerance (Inner Diamet) | 0 mm |