GB398332A - Improvements in or relating to plain bearing constructions for roll necks or the like - Google Patents

Abstract

398,332. Rolling-mill bearings. MORGAN CONSTRUCTION CO., 15, Belmont Street, Worcester, Massachusetts, U.S.A.-(Assignees of Dahlstrom, F. P. ; 4, Balder Road, Worcester, Massachusetts, U.S.A.) Aug. 6, 1932, No. 22117. Convention date, Aug. 7, 1931. [Classes 12 (i) and 12 (ii).] Each neck 4 of a rolling-mill roll 3 has a bearing sleeve 5 fixed thereon by a nut 16 screwed on a divided collar 15. The sleeve 5 rotates in a white-metal lining 8 of a liner 7 held in the bearing block 6 by a screwed ring 10. The rubbing surfaces of the sleeve 5 and lining 8 are oil-flooded and the diameter thereof is less than that of the roll barrel 3. Spring-pressed packings 17, 18 and ribs 46, 51 prevent ingress of foreign matter and escape of oil. The rolls are held apart by straps 57, suspended from rods 58 fitted with springs 59. One of the bearings for each roll has a thrust flange 24 clamped between a ring 25 and nut 26, the flange bearing against thrust rings 22, 23, fixed in the bearing block 6a. Lubricant led to the bearing by a pipe 39 passes, through passages 40, 41, to a recess 42 behind the liner 7, and an opening 43 in the latter leads oil to a wedgeshaped recess 44 in the lining 8. Oil flowing out at the ends of the bearing faces falls into spaces 55, 36, and thence away through a pipe 38. The thrust flange 24 has radial oil grooves 35 supplied by a pipe 33 through passages 34. In a modification, the ring 25 is integral with the sleeve 5a, and the flange 24 has central radial passages with axial bores leading to the grooves 35.