Description
Shell GadusRail S2 Traction Motor Bearing grease is one of Shell’s highest quality lithium soap- based greases. It is manufactured to specifications that provide excellent mechanical stability and long service life. These properties are needed for many critical anti-friction bearing applications. Shell GadusRail S2 Traction Motor Bearing grease is a NLGI Grade 3 grease formulated using mineral base oils.
Applications
- Traction motor bearings of General Electric locomotives and those previously made by General Motors Electromotive Diesel
- Prepackaged anti-friction bearings intended for “life-time” service without relubrication, a feature highly desired by the railroad industry
Approvals and Recommendations
Shell GadusRail S2 Traction Motor Bearing grease meets the requirements of:
- General Electric
- General Motors Electromotive Division (EMD)
Typical Physical Characteristics
|
Test
Method |
||
| Appearance | Amber, Buttery | |
|
Base Oil Viscosity: @ 40°C, cSt @ 100°C, cSt |
D 445 D 445 |
93 10.2 |
|
Penetration, dmm Worked, 60X |
D 217 |
230 |
| Dropping Point, °F |
Mettler |
380 |
| Bomb Oxidation Test
Pressure Drop @100 hrs, psi |
D 942 |
0.8 (5.5 kPa) |
|
Wheel Bearing Leakage @ 160oC, gm |
D4290 |
1.1 |
| 4 Ball Wear Scar, mm
1 hr/75C/1200 rpm/40 kg / |
D2266 |
0.6 |
|
Oil Separation, 24 hr/100 C, % |
FTM321 |
0.6 |