Jaw Coupling Hub, Coupling Size MJS57, Outside Diameter 57.2 mm, Coupling Overall Length 80 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 M8, Bore Tolerance +0.05/-0.00 mm, Fail Safe Yes, Shaft Tolerance +0.000/-0.013 mm, Full Bearing Support Required Yes, Hub Diameter 57.2 mm
Gallery
Attributes
Distributor offers
| Seller | SKU | MOQ | In stock | Multiple | Prices |
|---|---|---|---|---|---|
| G7996886 | 1 | 1 | 1 | 1 @ $90.99 | |
![]() Ruland | MJS57-20-A | 1 | -2 | 1 | 1 @ $96.53, 10 @ $87.75, 25 @ $73.12, 50 @ $65.82 |
| AF9TZT | 1 | 1 | 1 @ $209.11 | ||
![]() cbtcompany.com | MJS57-20-A | 1 | 1 | ||
| Digi-Key | 13595209 | 1 | 1 | ||
| motionindustries.com | 04805710 | 1 | 1 | 1 @ $132.02 | |
| sustainablesupply.com | C1644674 | 1 | -2 | 1 | 1 @ $113.81 |
| 30UR31 | 1 | 1 | 1 @ $93.00 |
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Ruland MJS57-20-A Jaw Coupling Hub, Set Screw Style, Polished Aluminum, 20mm Bore, 57.2mm OD, 80mm Length
Brand: Ruland
Details
- Ruland jaw couplings have a zero-backlash balanced design for reduced vibration at speeds up to 8,000 RPM.
- Users can combine clamp or set screw hub with inch, metric, keyed, or keyless bore for a high level of customization.
- Made from high strength 2024 aluminum for light weight and low inertia.
- Spiders available in three durometers allowing the user to match coupling performance to application requirements. Fail safe design with hubs interlocking if the spider fails.
- Hardware exceeds DIN 912 12.9 standards for maximum torque capabilities. Ruland jaw couplings are carefully made from select North American bar stock in our Marlborough, Massachusetts factory and are RoHS3 and REACH compliant
Listing
| Binding | Misc. |
|---|---|
| Product group | BISS Basic |
| Product type | COUPLINGS_COLLARS_AND_UNIVERSAL_JOINTS |
| Model | MJS57-20-A |
| Part number | MJS57-20-A |
| Items per pack | 1 |
| Label | Ruland Manufacturing |
| Manufacturer | Ruland Manufacturing |
Catalog
| Feature | Technical Specification Item - Jaw Coupling Hubs Curved Jaw Coupling Hub Size - Jaw Couplings |
|---|---|
| Category | Industrial & Scientific |
| MPN | MJS57-20-A |
| UPC | 634529068274 |
| EAN | 634529068274 |
| Product group | BISS |
| Product type | COUPLINGS_COLLARS_AND_UNIVERSAL_JOINTS |
| Manufacturer | Ruland |

