Tapered friction bearing assembly

Details Tapered friction bearing assembly Tapered friction bearing assembly

E - Fixed Constructions

21

B

255/12, 308/25

E21B 4/02 (2006.01) E21B 4/00 (2006.01) F16C 17/10 (2006.01) F16C 33/04 (2006.01)

Patent

CA 1265783

TAPERED FRICTION BEARING ASSEMBLY ABSTRACT OF THE DISCLOSURE A bearing structure including first and second tapered bearing surfaces for accomodating on-bottom and off-bottom thrust and radial forces on a drive shaft in a down hole drilling environment and further including a radial bearing mounted between the first and second tapered bearings for restricting bending of the drive shaft.

524083

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