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 | VSA251055 | |
| Bore diameter | d | 955 mm |
| Outside diameter | D | 1198 mm |
| Width | B | 80 mm |
| Basic dynamic load rating | C | 350 kN |
| Basic static load rating | C0 | 1720 kN |
| Mass | ≈m | 171 kg |
| Minimum operating temperature | Tmin | -25 °C |
| Maximum operating temperature | Tmax | 80 °C |
Manufacturer Identity3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 1738434 | |
| Brand | INA | |
| Base Type | VSA251055 |
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 Data33 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore Diameter (D1) | 955 mm | |
| Outside Diameter (Da) | 1,198 mm | |
| Total Height (H) | 80 mm | |
| Basic Static Load Rating, Axial (C0A) | 3,750,000 N | |
| Number Of Teeth (Z) | 118 | |
| Height Of Individual Ring (H) | 54 mm | |
| Operating Temperature Min. (Tmin) | -25 °C | |
| Pitch Circle Diameter Gearing (D0) | 1,180 mm | |
| Modul Of Gearing (M) | 10 mm | |
| Basic Dynamic Load Rating, Axial (Ca) | 385,000 N | |
| Operating Temperature Max. (Tmax) | 80 °C | |
| Pitchcircle Diameter Fixing Holes Inner Ring (Li) | 995 mm | |
| Normal Axial Clearance Min. (Normal Axial) | 0.05 mm | |
| Max. Tooth Force Root Fatigue Strenght (At A Shock Factor Of 1,2) (Fz Norm) | 61,200 N | |
| Inner Diameter Outer Ring (Di) | 1,053 mm | |
| Normal Axial Clearance Max. (Normal Axial) | 0.24 mm | |
| Number Of Fixing Holes In Inner Ring (Ni) | 30 | |
| Fixing Bore (Db) | 22 mm | |
| Outside Diameter Inner Ring (Da) | 1,057 mm | |
| Basic Dynamic Load Rating, Radial (Cr) | 350,000 N | |
| Thread Depth Oil Connector (Tg) | 40 mm | |
| Length Centering Outer Ring (T) | 19 mm | |
| Max. Tooth Force Against Tooth Fracture (At A Shock Factor Of 1,35) (Fz Max) | 89,000 N | |
| Basic Static Load Rating, Radial (C0R) | 1,720,000 N | |
| Pitch Circle Diameter Fixing Holes (La) | 1,116 mm | |
| Max. Radial Load Screws (Frictional Contact) (Fr Zul) | 530,000 N | |
| Width Outer Ring (Ha) | 71 mm | |
| Normal Radial Clearance Min. (Normal Radia) | 0.03 mm | |
| Diameter Centring Outer Ring (Di Zt) | 1,055 mm | |
| Diameter Centring Inner Ring (Dizt) | 957 mm | |
| Normal Radial Clearance Max. (Normal Radia) | 0.13 mm | |
| Length Centering Inner Ring (T) | 15 mm | |
| Number Of Fixing Holes In Outer Ring (Na) | 30 |
