# Jaw Coupling Hub, 3/16in., Aluminum

Jaw Coupling Hub, Coupling Size JS12, Outside Diameter 3/4 in, Coupling Overall Length 1 1/16 in, System of Measurement Inch, Hub Material Aluminum, Maximum Speed 8,000 RPM, Keyway Depth Not Applicable, Keyway Width Not Applicable, Bore Diameter 3/16 in, Shaft Locking Type Set Screw, Bore Type Round Bore, Jaw Profile Curved, Screw Thread Size M3, Bore Tolerance +0.002/-0.000 in, Fail Safe Yes, Shaft Tolerance +0.0000/-0.0005 in, Full Bearing Support Required Yes, Hub Diameter 3/4 in

graingerSKU: 30UP01, mscSKU: , zoro\_no: G9188155, mongo\_id: 65bbe5c43aaddbd5a9fe61f0

## Details

- **Price:** 17.99 USD
- **Vendor:** Ruland
- **Type:** Jaw Type Couplings
- **Tags:** DESCRIPTION_UPDATE

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 17.99 USD | In stock |

## Images

- Z0oJ90ocpEx_.JPG

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> Source: [The Tools Man](https://www.thetoolsman.com/products/ruland-jaw-coupling-hub-316in-aluminum-js12-3-a)
> Updated: 2026-09-01