Machinery's Handbook, 31st Edition
Thrust Bearings
2421
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0
4,000 Pitch Line Velocity, U , ft/min 6,000
8,000
10,000
2,000
Fig. 3. Friction Power Loss, M , versus Peripheral Speed, U —Thrust Bearings. a a See footnote on page 2418 12) Required flow per chamfer, Q c . Readily found from the formula Q i Q c = 13) Kinetic energy correction factor, ξ . Found by assuming a chamfer length l and enter ing Fig. 4 with a value Z 2 l and Q c . 14) Uncorrected required flow per chamfer, Q 0 c . Found from the formula Q Q c c 0 ξ = 15) Depth of chamfer, g. Found from the formula
. Q lZ 47410 s c 4 0 2 p
4 =
g
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