UNMARKED SF 1 - QD BUSHING

Description:

The UNMARKED SF 1 QD Bushing is used in industrial power transmission systems to securely mount pulleys, sprockets, sheaves, and hubs onto a 1-inch rotating shaft. Commonly installed in conveyor systems, pumps, fans, compressors, and material handling equipment. Maintenance teams and system integrators use this part for repair, retrofit, or replacement of shaft mounting components in industrial machinery.

Applications:

The UNMARKED SF 1 QD Bushings are used in industrial equipment requiring a secure and removable shaft-to-hub connection. They are commonly found in conveyor drives, HVAC systems, pumps, fans, mixers, crushers, and packaging machinery where pulleys, sheaves, or sprockets must be mounted to a 1-inch shaft. The quick detachable design provides easy installation and removal while maintaining high torque transmission and resistance to vibration in demanding industrial environments.

Technical Specifications:

• Manufacturer: UNMARKED
• Part Number: SF 1
• Product Type: Quick Detachable (QD) Bushing
• Bushing Series: SF
• Bore Size: 1 in
• Function: Secures pulleys, sprockets, sheaves, and hubs to rotating shafts
• Mounting Method: Split taper quick detachable design with cap screws
• Bore Type: Finished bore with keyway
• Material: Ductile iron or steel construction
• Flange Outside Diameter: 4.625 in
• Barrel Diameter: 3.125 in
• Length Through Bore: 2.063 in
• Bolt Circle Diameter: 3.875 in
• Cap Screws: 3 required
• Taper: 3/4 in per foot on diameter
• Torque Capacity: Approximately 11,000 in-lb
• Applications: Conveyors, pumps, fans, mixers, compressors, crushers, and packaging machinery
• Designed for high-torque industrial power transmission applications
• Suitable for repair, retrofit, and OEM replacement applications

Common Replacements:

• Dodge SF 1 QD Bushing
• Martin SF 1 QD Bushing
• Browning SF 1 QD Bushing