FIELD: mechanical engineering. SUBSTANCE: roller has shell 1 mounted on base 2 by bearings 3 which are filled into housings 4 which configuration members are seals 5 and lining 6. Bearings 3 have antifriction filler 7. Housings 4 are fitted with interference in shell 1 and are held on it by grooves 8 and the glue. EFFECT: improved structure. 2 cl, 1 dwg
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