SKF TMBR Mode D'emploi page 4

1. Application
The aluminium heating ring is developed for dismounting inner rings of cylindrical roller
bearings. The aluminium ring is available for all bearing sizes of the NU, NJ and NUP
series, i.e. bearings without flanges or with only one flange in the inner ring.
The rings are available as standard for the following bearing sizes:
• 204 to 252
• 304 to 340
• 406 to 430
Heating rings can be made to order for other types of cylindrical roller bearing, e.g. of
type NNU and needle roller bearings.
2. Technical data
The heating ring is made of an aluminium alloy.
Two different designs are available:
a) Bore < 200 mm.
The ring is equipped with three handles as shown on the picture.
b) Bore > 200 mm.
The ring is equipped with a special locking device for pressing the ring around the
bearing and two handles to facilitate the positioning of the ring.
2 SKF TMBR