UNMARKED SK X 1-1/4 SHM NSNBC01 QD BUSHING

Description:

The UNMARKED SK X 1-1/4 SHM NSNBC01 QD Bushing is used in industrial power transmission systems to securely mount pulleys, sprockets, sheaves, and hubs onto a 1-1/4 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 SK X 1-1/4 SHM NSNBC01 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 1-1/4 inch shaft. The SK series quick detachable design provides high torque transmission, simplified installation and removal, and reliable performance in demanding industrial environments. The fully split taper construction allows for accurate shaft alignment and strong clamping force in OEM and replacement applications.

Technical Specifications:

• Manufacturer: UNMARKED
• Part Number: SK X 1-1/4 SHM NSNBC01
• Alternate Format: SK X 1-1/4
• Product Type: Quick Detachable (QD) Bushing
• Bushing Series: SK
• Bore Size: 1-1/4 in (1.250 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
• Shaft Compatibility: 1-1/4 in keyed shafts
• Material: Cast iron or steel construction depending on manufacturer
• Flange Outside Diameter: Approximately 3.875 in
• Barrel Diameter: Approximately 2.812 in
• Length Through Bore: Approximately 1.938 in
• Bolt Circle Diameter: Approximately 3.313 in
• Applications: Pulleys, sheaves, sprockets, couplings, and conveyor components
• Industrial Uses: Conveyors, pumps, fans, compressors, mixers, crushers, and packaging machinery
• Features: High torque capacity, vibration resistance, easy installation and removal
• Designed for continuous industrial power transmission applications

Common Replacements:

• Dodge SK 1-1/4 QD Bushing
• Martin SK 1-1/4 QD Bushing
• Browning SK 1-1/4 QD Bushing