Page 128 - Rollingbearings
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Technical speciications for SKF greases
B.4 Lubrication
Technical speciications for SKF greases
LGMT 2 LGMT 3 LGEP 2 LGWA 2 LGGB 2 LGFP 2 LGFQ 2
DIN 51825 code K2K-30 K3K-30 KP2G-20 KP2N-30 KPE 2K-40 K2G-20 KP1/2N-40
NLGI consistency grade 2 3 2 2 2 2 1–2
Colour Red brown Amber Light brown Amber Off white Transparent Brown
Thickener Lithium Lithium Lithium Lithium complex Lithium/calcium Aluminium Complex calcium
complex sulphonate
Base oil type Mineral Mineral Mineral Mineral Synthetic Medical white oil Synthetic (PAO)
(Ester)
Operating temperature range °C –30 to +120 –30 to +120 –20 to +110 –30 to +140 –40 to +90 –20 to +110 –40 to +140
°F (–20 to +250) (–20 to +250) (–5 to +230) (–20 to +285) (–40 to +195) (–5 to +230) (–40 to +285)
Dropping point DIN ISO 2176 °C >180 >180 >180 >250 >170 >250 >300
°F (>355) (>355) (>355) (>480) (>340) (>480) (>570)
Base oil viscosity
40 °C (105 °F) mm 2 /s 110 125 200 185 110 150 320
100 °C (210 °F) mm 2 /s 11 12 16 15 13 15,3 30
Penetration DIN ISO 2137
60 strokes 10 –1 mm 265–295 220–250 265–295 265–295 265–295 265–295 280–310
100 000 strokes 10 –1 mm +50 max. 280 max. +50 max. +50 max. +50 max. +30 max. +30 max.
(325 max.) (325 max.) (325 max.) (325 max.)
Mechanical stability
Roll stability, 50 h at 80 °C (175 °F) 10 –1 mm +50 max. 295 max. +50 max. +50 max. change +70 max. –20 to +30 max.
(350 max.)
V2F test “M” “M” “M” “M”
Corrosion protection
Emcor:
– standard ISO 11007 0–0 0–0 0–0 0–0 0–0 0–0 1) 0–0
– water washout test 0–0 0–0 0–0 0–0 1)
– salt water test (100% seawater) 0–1 1) 1–1 1) 0–0
Water resistance
DIN 51 807/1, 3 h at 90 °C (195 °F) 1 max. 2 max. 1 max. 1 max. 0 max. 1 max. 1 max.
Oil separation
DIN 51 817, 7 days at 40 °C (105 °F), static % 1–6 1–3 2–5 1–5 0,8–3 1–5 3 max.
Lubrication ability
R2F, running test B at 120 °C (250 °F) Pass Pass Pass Pass Pass Pass
100 °C (210 °F) 100 °C (210 °F) 1)
Lubrication Copper corrosion h 2 max. 2 max. 2 max. 2 max. >300, 1 max. 1b max.
R2F, cold chamber test, –30 °C (–20 °F), +20 °C (+70 °F)
100 °C (210°F)
110 °C (230 °F)
100 °C (210°F)
120 °C (250 °F)
130 °C (265 °F)
110 °C (230°F)
DIN 51 811
1 000,
1 000 min.,
Rolling bearing grease life
130 °C (265 °F)
120 °C (250 °F)
R0F test
110 °C (230 °F) 1)
B.4 L 50 life at 10 000 r/min mm 1,4 max. 1,6 max. 1,8 max. 1 max.
EP performance
Wear scar DIN 51350/5, 1 400 N
4–ball test, welding load DIN 51350/4 N 2 800 min. 2 600 min. 2 600 min. 1 100 min. >4 000
Fretting corrosion
ASTM D4170 FAFNIR test at +25 °C (75 °F) mg 5,7 1) 0,8 1)
Low temperature torque
IP186, starting torque Nmm 1) 98, 145, 70, 40, 137, 369,
–30 °C (–20 °F) –30 °C (–20 °F) –20 °C (–5 °F) –30 °C (–20 °F) –30 °C (–20 °F) –40° C (–40°F)
IP186, running torque Nmm 1) 58, 95, 45, 30, 51, 223,
–30 °C (–20 °F) –30 °C (–20 °F) –20 °C (–5 °F) –30 °C (–20 °F) –30 °C (–20 °F) –40 °C (–40°F)
Special requirements
Wide applications greases
1) Typical value
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