Product features

  • material: premium chrome vanadium steel
  • drop forged, entirely hardened and tempered
  • surface finish: zinc plated according to ISO 2081:2018 (E)
  • ergonomic heavy duty double component handle

Advantages:

  • Set includes 6 pcs of expandable collet for inner bearing dimensions 6.5-8,10-12, 12-15, 17-20, 22-28, 30-36

Usage:

  • It is used for extraction of different typ of bearing. Expandable collet grips inner bearing race. and pulls it out.
  • The bearing is extracted by impact forces of 1kg sliding hammer.
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CodeDiameterMinimum diameterMaximum diameterMinimum lenghtMaximum lenghtweight
622587526,5364955553300
* Images of products are symbolic. All dimensions are in mm, and weight in grams. All listed dimensions may vary in tolerance.

Usage (pictures)

Before starting the application, you need to screw appropriate expandable collet dimension on the handle.

First inserted expandable collet through the hole in the bearing which will be extracted out of the housing. Then start to screwed thorn into collet, which has a function that expands collet body, which adapts to the bearing bores.

Start with steady hits extracting bearing with help of sliding hammer.

After several strokes fast and easy extract bearing from housing without damage.

Usage (Video)

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Questions & Answers

  • What information is important for the 689/2BI puller (for internal bearing extraction) when selecting the appropriate arm of the puller?
    The diameter of the inner bearing ring is important. Depending on the diameter, we select the appropriate arm for the puller.
  • Surface protection

    Tools are made of excellent steel improved composition. Several models come with additional chrome surface protection.
  • New advanced technology

    The use of new technological methods and top quality materials result in tools with a long life span, safety designs ensure repair jobs without damages, customized solutions, excellent effectiveness, modern materials and ergonomic design provide good looks and safe use.
  • Top Quality Materials

    The well-thought-out design and precise manufacture prevent damage to the objects being worked on even under a substantial load. With these characteristics, the effective Unior tools are the right selection for craftsmen who require quality and durable tools with a long service life.