F - Mech Eng,Light,Heat,Weapons – 16 – C
Patent
F - Mech Eng,Light,Heat,Weapons
16
C
308/27
F16C 33/78 (2006.01) B21B 31/07 (2006.01) F16C 19/38 (2006.01) F16C 33/60 (2006.01)
Patent
CA 1124771
ABSTRACT A multirow bearing for supporting a work or back- up roll of a rolling mill includes inner and outer races and tapered rollers arranged in two end rows and two inter- mediate rows between corresponding raceways on the inner and outer races. The inner race is a unitary structure, while the outer race is comprised of two double cups. The tapered rollers of the intermediate rows have their large ends presented toward each other and those ends bear against a center thrust rib that may be free to float in the axial direction so as to equalize radial loads between the rollers of the two intermediate rows. The radial clearance between these rollers and their respective raceways can be less than the clearance between the rollers of the end rows and their respective raceways so that the rollers of the inter- mediate rows carry most of the radial loading. Also, the rollers of the end rows can be at a steeper angle than the rollers of the intermediate rows, and are therefore better able to accommodate thrust loads and moments. The large ends of the rollers in the end rows bear against rib rings that are secured to the double cups of the outer race by seal cases which serve to unitize the bearing for handling purposes. Seal elements are bonded to the seal cases and they bear against the inner race to close the ends of the bearing.
342415
Hewitt Neville S.
Timken Company (the)
LandOfFree
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