Ruland SPC-20-20-F Nomar Two Piece Split Rigid Coupling 1-1/4"

Ruland SPC-20-20-F Nomar is a precision two‑piece split rigid shaft coupling with keyway, designed to provide zero‑backlash, high‑torque performance for accurately connecting aligned shafts in motion control and industrial power transmission applications.
Technical specifications:
Manufacturer: Ruland Manufacturing Co., Inc.
Manufacturer Part Number: SPC-20-20-F
Product Name: Nomar Two Piece Split Rigid Coupling
Coupling Type: Rigid, clamp-style, two-piece
Bore Size: 1‑1/4 in (31.75 mm)
Bore Configuration: Finished bore with standard keyway
Keyway: 1/4 in x 1/8 in (ANSI standard)
Outside Diameter: 2.00 in (50.8 mm)
Overall Length: 2.00 in (50.8 mm)
Coupling Style: Full split for easy installation and removal
Material: High-strength alloy steel
Finish: Black oxide
Fasteners: Alloy steel socket head cap screws
Torque Capacity: Approximately 11,000–12,000 in‑lb (nominal)
Backlash: Zero
Misalignment Capability: None (rigid coupling)
Operating Temperature Range: ‑30°C to +120°C (‑22°F to +248°F)
Balance: Suitable for standard industrial speeds
Mounting Method: Clamp-on, no shaft damage
Special Features: Even clamping force, excellent concentricity, high holding power, reusable design
Applications: Servo systems, motors, gearboxes, lead screws, industrial machinery, automation equipment
Standards: Manufactured to ISO 9001 quality standards
Packaging Type: Individual
Country of Manufacture: United States Please review pictures carefully and let us know if you have any questions!