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Machine Tool Accessories > Drill Chucks & Arbors > JACOBS
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Item Details  Item Details
JACOBS 14N SUPER CHUCK BALL BEARING DRILL CHUCK Item Name
JACOBS 14N SUPER CHUCK BALL BEARING DRILL CHUCK
Stock #
30221
Model #
14N
Price/ea:
$202.77

STANDARD FEATURES
The Super Chuck® ball bearing chuck is specifically engineered for heavy-duty, tight tolerance production drilling. It is adaptable to a wide range of production drilling equipment, jig borers, milling machines, lathes and radials
Utilizing a ball thrust bearing to reduce friction in the chuck closing mechanism, it permits the application of more gripping force on drill shanks to maximize drilling torque under the most demanding machining conditions
Jaws center-ground for absolute straightness and alignment
One-piece sleeve design eliminates cracks between driving teeth
Sleeve teeth, nose piece and keyholes are through hardened, providing outstanding wear resistance
Fluted sleeve standard
100% Inspected for performance and precision
T.I.R. 0.003" Maximum at 0.250"
Optional replacement parts for older model chuck and service kit for newer model chuck
- Replacement parts for the older model which do not incorporate the
  service kit marking on the chuck nose
- Service kit for the newer model which call out a service kit number
  on the chuck nose

Stock Number

30221

Model

14N

SPECIFICATIONS

Capacity Range (in./min. - max.)

0.040 - 0.500

Taper Mounted

3JT

Key Used

K3

Closed Length (in.)

3.88

Open Length (in.)

2.97

Sleeve Diameter (in.)

2.44

Net Weight (oz.)

38

Stock Number - For Older Model Chuck

7432

Model - For Older Model Chuck

7432

SPECIFICATIONS

Chuck Model Uses

14N

Replacement Parts Includes

Jaws and Nut Unit

Net Weight (oz.)

N/A

Stock Number - For Older Model Chuck

7438

Model - For Older Model Chuck

7438

SPECIFICATIONS

Chuck Model Uses

14N

Replacement Parts Includes

Thrust Race and Balls

Net Weight (oz.)

N/A

Stock Number - For Newer Model Chuck

30345

Model - For Newer Model Chuck

30345

SPECIFICATIONS

Chuck Model Uses

14N

Service Kit Includes

Jaws, Nut, Caged Bearing
and Thrust Washer

Net Weight (oz.)

N/A

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