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Can I order a JRC Mechanical Core Chuck using the "Numbering System for Ordering" ?
Last Updated: 12/05/2007
Yes. We fully support the legacy part numbers. Please see below.

Quick-Locking Mechanical Chucks & Shafts

 

In addition to our line of air expanding chucks and shafts, we also offer a unique, completely mechanical design which is available in both chucks and shafts.

 

Features of the Quick-Locking Mechanical Type

  • Self-locking in either direction of rotation.
  • Automatic engagement.
  • Zero slippage.
  • Provided with minimum of 3 locking rollers for best concentricity.
  • Available with or without flanges.
  • Available in aluminum, steel or plastic.
  • Proven design.
  • Economically Priced.

Dimensions of Most Common Chuck Sizes

Body Dia.

Length (A)

Gripper Length (B)

Shoulder Width (C)

Flange Dia. (D)

Flange Thickness (E)

Minimum Core Dia. (F)

Bore (G)

70mm

4 3/4

2 5/8

3/4

3

1/4

2.723

1 5/8" max.

3

4 3/4

2 5/8

3/4

3 1/4

1/4

2.968

2" max.

6

5

3

3/4

6 1/2

1/4

5.968

4 1/2" max.

Dimensions

Numbering System For Ordering

 

Note: Rear guide flange holes are used to attach a larger diameter flange. Standard pattern is quantity (3), 120 degrees apart, on a 2.5" diameter bolt circle, #10-32 tap.

 

 

 



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