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Can I order a JRC Mechanical Core Chuck using the "Numbering System for Ordering" ?
Last Updated: 12/05/2007
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Yes. We fully support the legacy part numbers. Please see below.
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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
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Body Dia. |
Length (A) |
Gripper Length (B) |
Shoulder Width (C) |
Flange Dia. (D) |
Flange Thickness (E) |
Minimum Core Dia. (F) |
Bore (G) |
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70mm |
4 3/4 |
2 5/8 |
3/4 |
3 |
1/4 |
2.723 |
1 5/8" max. |
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3 |
4 3/4 |
2 5/8 |
3/4 |
3 1/4 |
1/4 |
2.968 |
2" max. |
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6 |
5 |
3 |
3/4 |
6 1/2 |
1/4 |
5.968 |
4 1/2" max. |
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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