UNMARKED PL050X080 Keyless Locking Device

Description:

The UNMARKED PL050X080 Keyless Locking Device is used in industrial power transmission systems to securely connect shafts and hubs without the use of keys or splines. Commonly installed in conveyors, packaging machinery, servo systems, pumps, and automated manufacturing equipment. Maintenance teams and system integrators use this part for repair, retrofit, or replacement of shaft locking assemblies to simplify installation and improve torque transmission.

Applications:

The UNMARKED PL050X080 keyless locking devices are used in industrial machinery requiring precise shaft-to-hub connections with high torque capacity and easy installation. They are commonly found in conveyors, servo drive systems, packaging equipment, pumps, fans, and material handling machinery where pulleys, gears, couplings, or sprockets must be mounted securely without keys or splines.

Technical Specifications:

• Manufacturer: UNMARKED
• Part Number: PL050X080
• Product Type: Keyless Locking Device / Keyless Bushing
• Series: AS Series
• Function: Provides a friction-based shaft-to-hub connection without keys or splines
• Bore Diameter: 50 mm (1.969 in)
• Outside Diameter: 80 mm (3.150 in)
• Overall Length: 32 mm (1.260 in)
• Length Through Bore: 24 mm (0.945 in)
• Material: Carbon Steel
• Finish: Uncoated
• Maximum Transmitted Torque: 1770 N·m (1306 ft-lb)
• Maximum Transmitted Thrust: 70.6 kN (15,840 lb)
• Shaft Contact Pressure: 180 MPa
• Hub Contact Pressure: 113 MPa
• Locking Screws: 9 × M8 × 22
• Installation Torque: 30 ft-lb (40.2 N·m)
• Operating Temperature: -30°C to 200°C
• Weight: Approximately 0.55 kg (1.2 lb)
• Applications: Conveyors, couplings, pulleys, gears, sprockets, servo drives, and industrial rotating equipment
• Designed for easy installation and removal without keyways or thermal fitting methods.

Common Replacements:

• Tsubaki PL050X080AS POWER-LOCK AS Series
• RINGFEDER RFN 7012 Keyless Locking Device
• FENNER Drives Tran-torque Keyless Bushing Series