Machinery's Handbook, 31st Edition
Thrust Bearings
2429
50,000 45,000 40,000 35,000 30,000 25,000 20,000 15,000 10,000 5,000 0
0.003 × 0.005 0.004 × 0.007 0.006 × 0.009 0.0015 × 0.0025 } Note: Figures on Curves Are Values of Taper (OD × ID)
0 0.4 0.8 1.2
Film Thickness h , mils 1.6 2.0 2.4 2.8 3.2 3.6 4.0 4.4 4.8
Fig. 9. Thickness, h , versus Factor K —Tapered Land Thrust Bearings.*
1,000 900 800 700 600 500 400 300 200 100 0
0.0015 0.0025
0.003 0.005
0.004 0.007
0.006 0.009
Note: Figures on Curves are
Values of Taper (OD ID)
Film Thickness h , Mils 0 0.4 0.8 1.2 1.6 2.0 2.4 2.8 3.2 3.6 4.0 4.4 4.8
Fig. 10. Power-Loss Coefficient, J , versus Film Thickness, h —Tapered Land Thrust Bearings.* A maximum temperature rise of 50 ° F is acceptable and results in a viscosity of 18 centi poises. Use values of K g = 0.9 and c = 3.5 Btu/gal/ ° F. * See footnote on page 2418.
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