- Mobil SHC Grease 461 WT is specially formulated to lubricate yaw, pitch and main bearings of wind turbines.
- It is a high performance synthetic lithium complex grease specially designed to exceed the demanding requirements of wind turbine applications at extreme temperatures.
- The advanced synthetic base fluid with its low traction coefficient provides excellent low temperature pumpability and very low starting and running torque.
Specification and Approvals
Property
|
|
Grade
|
NLGI 1.5
|
Thickener Type
|
Lithium Complex
|
Color, Visual
|
Beige
|
Penetration, 60X, 0.1 mm, ASTM D217
|
305
|
Dropping Point, °C, ASTM D2265
|
255
|
Base Oil Viscosity of Greases @ 40 C, mm2/s, AM-S 1858
|
460
|
Roll Stability, 0.1 mm, ASTM D1831
|
-2
|
Four-Ball Wear Test, Scar Diameter, mm, ASTM D2266
|
0.4
|
Four-Ball Extreme Pressure Test, Weld Load, kgf, ASTM D2596
|
250
|
Water Washout, Loss @ 79 C, wt%, ASTM D1264
|
5
|
Corrosion, Bearing, Rating, ASTM D1743
|
PASS
|
SKF Emcor Rust Test, 10% Synthetic Sea Water, Bearing 1, ASTM D6138
|
0,0
|
Copper Strip Corrosion, Rating, ASTM D4048
|
1A
|
Applications
Mobil SHC Grease 461 WT is an NLGI 1.5 Grade extreme pressure grease with ISO VG 460 synthetic base fluid recommended for tough wind turbine applications
Mobil SHC Grease 461 WT meets most specifications of wind turbine builders and component suppliers and can demonstrated outstanding performance in the lubrication of yaw, pitch, and generator bearings either manual greased or using centralized grease systems or grease dispensers.
Recommended application temperature range for continuous operation is from -50º C to 150ºC with proper regreasing intervals