| Item - Jaw Coupling Hubs | Curved Jaw Coupling Hub |
| Size - Jaw Couplings | MJS51 |
| Bore Dia. | 20 mm |
| Keyway Size Type | None |
| Material - Hubs | Aluminum |
| Outside Dia. | 50.8 mm |
| Assembled Coupling Length | 61 mm |
| Overall Length | 61 mm |
| Keyway Size | None |
| Item | Jaw Coupling Hub |
| Material | Aluminum |
| Size | MJS51 |
| Coupling Size | MJS51 |
| Hub Material Finish | Bright |
| Bore Type | Round Bore |
| Zero Backlash | Yes |
| Maximum Speed | 8,000 RPM |
| Included Screws | (2) Set Screw |
| Length through Bore | 20.8 mm |
| Fail Safe | Yes |
| Recommended Hub Gap | 1.3 mm |
| Number of Locking Screws | 2 |
| Keyway Width | Not Applicable |
| System of Measurement | Metric |
| Weight | 0.3 lb |
| Screw Material | Alloy Steel |
| Screw Thread Size | M6 |
| Hub Material Grade | 2024 |
| Standards | Conflict Minerals Compliant, DIN 912 12.9, ISO 9001:2015, REACH Compliant, RoHS Compliant |
| Outside Diameter | 50.8 mm |
| Jaw Profile | Curved |
| Hub Projection | 20.8 mm |
| Shaft Locking Type | Set Screw |
| Hub Material | Aluminum |
| Minimum Operating Temperature | -23 Degrees C |
| Screw Material Finish | Black Oxide |
| Bore Diameter | 20 mm |
| Maximum Operating Temperature | 82 Degrees C |
| Hub Diameter | 50.8 mm |
| Coupling Overall Length | 61 mm |
| Shaft Tolerance | +0.000/-0.013 mm |
| Keyway Depth | Not Applicable |
| Bore Tolerance | +0.05/-0.00 mm |
| Full Bearing Support Required | Yes |
| Country of Origin (subject to change) | United States |
| Package Quantity | 1 |
Jaw Coupling Hub, 20mm, Aluminum, RULAND, Mfr# MJS51-20-A
-3% / ea
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Jaw Coupling Hub, Coupling Size MJS51, Outside Diameter 50.8 mm, Coupling Overall Length 61 mm, System of Measurement Metric, Hub Material Aluminum, Maximum Speed 8,000 RPM, Keyway Depth Not Applicable, Keyway Width Not Applicable, Bore Diameter 20 mm, Shaft Locking Type Set Screw, Bore Type Round Bore, Jaw Profile Curved, Screw Thread Size M6, Bore Tolerance +0.05/-0.00 mm, Fail Safe Yes, Shaft Tolerance +0.000/-0.013 mm, Full Bearing Support Required Yes, Hub Diameter 50.8 mm
9999 in stock
Must order in multiples of 1
Subtotal:
$59.99
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