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Wind turbine blade and yaw grease

Wind turbine blade and yaw grease

SKF Wind Turbine Blade and Yaw Bearing Grease LGBB 2

SKF LGBB 2 is a lithium complex/synthetic PAO oil based grease specially designed for extreme conditions involving very low speeds, high loads, low temperatures and oscillating conditions. This grease provides proper lubrication whether the turbine is operating or in stand-still mode, installed onshore, offshore, or in cold climate areas.

Excellent false brinelling protection

Excellent performance under high loads

Excellent performance at low temperature starting torque

Good pumpability down to low temperatures

Excellent water resistance

Excellent corrosion protection

High thermal and mechanical stability

Typical applications:

Wind turbine blade and yaw bearing applications

Available pack sizes
Packsize Designation
420 ml cartridge LGBB 2/0.4
18 kg pail LGBB 2/18
180 kg drum LGBB 2/180
Technical data
Designation LGBB 2/(pack size)
DIN 51825 code KP2G-40
NLGI consistency class 2
Thickerner Lithium complex
Colour Yellow
Base oil type Synthetic (PAO)
Operating temperature range –40 to +120 °C

(–40 to +250 °F)
Dropping point DIN ISO 2176 >200 (390 °F)
Base oil viscosity  
40 °C, mm²/s 68
Penetration DIN ISO 2137  
60 strokes, 10–1 mm

100 000 strokes, 101 mm
265–295

+50 max.
Mechanical stability  
Roll stability, 50h at 80 °C, 10–1 mm +50 max.
Corrosion protection  
Emcor:
– Standard ISO 11007

– Salt water test (100% sea water)
0–0

0–1*
Water resistance  
DIN 51 807/1, 3 hours at 90 °C 1 max.
Oil separation  
DIN 51817, 7 days at 40 °C, static, % 4 max, 2.5*
Copper corrosion  
DIN 51 811 1 max. at 120 °C (250 °F)
EP performances  
Wear scar DIN 51350/5, 1400 N, mm

4-ball test, welding load DIN 51350/4, N
0.4 *

5 500 *
Rolling bearing lubrication ability  
Fe8, DIN 51819, 80 kN, 80 °C, C/P 1.8, 500 h pass
False brinellng resistance  
ASTM D4170 FAFNIR test, mg 0–1*
* Typical value