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T ECHNICAL INFORMATION 53337
Subject Change of Ball Bearing
For Models HR4000C
Description As illustrated below, Ball Bearing 6000 has been changed to Ball Bearing 6000DDW for
improvement in endurance of Ball Bearing.
Current New
Ball Bearing 6000 Ball Bearing 6000DDW
without Seal with Seals
Armature Shaft
Gear Housing
Interchangeability(I/C)
Item No. Current part Q'ty I/C New part Q'ty Note
Ball Bearing 6000 Ball Bearing 6000DDW
100 1 <= 1
211064-1 211088-7
Note
Interchangeability mark : <= means the new is substituted for the current.
Implementation
From Feb.,1997, serial No. 12288E