Page 349 - The Tribology Handbook

Selection of lubrication svstems C13

Tabk 13.7 General selection by component. Operating conditions and environment
____
Type 4 High temp. Jvormd temp. Low lemp. High Medium Low Dust and Wet and
component (over ( - 10 to (below speed speed speed dirt lubricants)
150°C) 120°C) -20°C)
Roiling bearings A (special h G A* J A (small) A E A E A J A A*
grease B H* D D B H* B GB B E
B J* C J* G H* C J* C* H C* C*
C I) H* J D D J D J
H* Also dry
Fluid film, plaiin D A (slow) A (slow) D D H A (light) A J A A*
bearings H E; E D G G (small E J* B E B B E
J* e F E J sizes) F C F C* C J
I) GF H (small) G D G D J* (possible)
J J J

Rubbing plain B Pi EA - - A E A A A*
n
bearings C* B, FD ” GB B
J* C* G C* C* c*
D D D
Aiso dry Also dry* Also dry Also dry
Slides C* A J A A (light) A F A J A A A*
G B* D B J B G B B la E
J* C: E C C J* C* C* C’
D G D D D D D
E J G E (small) E 9
Screws B A. E A A (light) A (light) A G A A E A*
G B* G D D J B GB J B B J E
J* C J G G C H C* C* @*
C El J H D J D D
Gears B A H A J D A-V A E A (special A J A*
c B J* D G (small) B G greases) B
G C: G H C HC JJ C
J* E H J* D J D D
G

* Preferred systems.

Selection of gear lubrication systems

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BATH
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SPRAY

2 4 6 f3 10 12 14 16 18 20 22 24 26 28 30
PITCH LINE VELOCITY, m/s

C13.4