Page 23 - MOTER BOOK

Mechanical 23

Bearing references and oilseals for horizontally mounted motors only
Type Bearings (1) Oilseals (2)
Aluminium Cast iron Poles Drive end Non-drive end Drive end Non-drive end

(1) Frame sizes 56-160 have sealed for life bearings with C3 clearances. Frame sizes 180-355 have bearings with C3 clearance.
(2) Sizes given are in mm and represent bore x outside diameter x width.
The seal material used on all frame sizes and all polarity is nitrile rubber (NBR).