Ruland MJC33-8-A Aluminum Jaw Coupling, 8mm Bore

Ruland MJC33-8-A Aluminum Jaw Coupling Hub, 8mm Bore is a clamp-style, zero-backlash coupling hub designed for precision motion control applications. It features a lightweight aluminum construction and is part of a three-piece assembly that includes two hubs and an elastomeric spider insert, providing vibration damping and accommodating misalignment. Bore diameter: 8 mm Outer diameter: 33.3 mm Hub length: 15.0 mm Overall assembled length: 44.5 mm Material: 2024-T351 aluminum Finish: Bright, no plating Coupling style: Clamp Fastening hardware: M3 alloy steel screw, black oxide finish Seating torque: 2.1 Nm Hex wrench size: 2.5 mm Maximum speed: 8,000 RPM Moment of inertia: 5.673 x 10⁻⁶ kg·m² Operating temperature range: -23°C to +82°C Recommended hub gap: 0.75 mm Weight: 0.082 lbs (approx. 37 g) Compliance: RoHS3 and REACH compliant Country of origin: USA Please review pictures carefully and let us know if you have any questions!