| Item - Jaw Coupling Hubs | Curved Jaw Coupling Hub |
| Size - Jaw Couplings | JS21 |
| Bore Dia. | 1/2 in |
| Keyway Size Type | None |
| Material - Hubs | Aluminum |
| Outside Dia. | 0.31 in |
| Assembled Coupling Length | 1.75 in |
| Material | Aluminum |
| Item | Jaw Coupling Hub |
| Size | JS21 |
| Keyway Size | None |
| Overall Length | 1.75 in |
| Keyway Depth | Not Applicable |
| Keyway Width | Not Applicable |
| Hub Material | Aluminum |
| Screw Material Finish | Black Oxide |
| Fail Safe | Yes |
| Coupling Overall Length | 1 3/4 in |
| Number of Locking Screws | 2 |
| Shaft Locking Type | Set Screw |
| Length through Bore | 0.6 in |
| Full Bearing Support Required | Yes |
| Jaw Profile | Curved |
| Screw Material | Alloy Steel |
| Hub Projection | 19/32 in |
| Screw Thread Size | M4 |
| Hub Material Grade | 2024 |
| Included Screws | (2) Set Screw |
| Hub Diameter | 1 5/16 in |
| System of Measurement | Inch |
| Shaft Tolerance | +0.0000/-0.0005 in |
| Bore Tolerance | +0.002/-0.000 in |
| Bore Type | Round Bore |
| Zero Backlash | Yes |
| Hub Material Finish | Bright |
| Minimum Operating Temperature | -10 Degrees F |
| Recommended Hub Gap | 0 in |
| Bore Diameter | 1/2 in |
| Maximum Speed | 8,000 RPM |
| Weight | 0.1 lb |
| Outside Diameter | 1 5/16 in |
| Maximum Operating Temperature | 180 Degrees F |
| Standards | Conflict Minerals Compliant, DIN 912 12.9, ISO 9001:2015, REACH Compliant, RoHS Compliant |
| Country of Origin (subject to change) | United States |
| Package Quantity | 1 |
Jaw Coupling Hub, 1/2in., Aluminum, RULAND, Mfr# JS21-8-A
$30,99
-3% / ea
with subscription
Free shipping will be applied on orders over $50
Jaw Coupling Hub, Coupling Size JS21, Outside Diameter 1 5/16 in, Coupling Overall Length 1 3/4 in, System of Measurement Inch, Hub Material Aluminum, Maximum Speed 8,000 RPM, Keyway Depth Not Applicable, Keyway Width Not Applicable, Bore Diameter 1/2 in, Shaft Locking Type Set Screw, Bore Type Round Bore, Jaw Profile Curved, Screw Thread Size M4, Bore Tolerance +0.002/-0.000 in, Fail Safe Yes, Shaft Tolerance +0.0000/-0.0005 in, Full Bearing Support Required Yes, Hub Diameter 1 5/16 in
9999 in stock
Must order in multiples of 1
Subtotal:
$30.99
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