A natural feed Journal bearing of diameter 50 mm and length 50 mm operating at 20 revolution/sec. carries a load of 2.0 kN. The lubricant used has a viscosity of 20 mPa.s. The radial clearance is 50 m. The Sommerfield number for the bearings is

A natural feed Journal bearing of diameter 50 mm and length 50 mm oper

1.	A natural feed Journal bearing of diameter 50 mm and length 50 mm operating at 20 revolution/sec. carries a load of 2.0 kN. The lubricant used has a viscosity of 20 mPa.s. The radial clearance is 50 m. The Sommerfield number for the bearings is
A.	0.062
B.	0.125
C.	0.250
D.	0.785
Answer» C. 0.250

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A natural feed Journal bearing of diameter 50 mm and length 50 mm operating at 20 revolution/sec. carries a load of 2.0 kN. The lubricant used has a viscosity of 20 mPa.s. The radial clearance is 50 m. The Sommerfield number for the bearings is

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