UNMARKED R1 1-15/16 Split Taper Bushing

Description:

The UNMARKED R1 1-15/16 Split Taper Bushing is used in industrial power transmission systems to securely mount pulleys, sprockets, and sheaves onto rotating shafts. 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 worn or damaged shaft mounting bushings in industrial machinery.

Applications:

The UNMARKED R1 1-15/16 Split Taper Bushings are used in industrial equipment requiring a high-torque 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 securely mounted to shafts. The split taper design provides superior concentricity, high holding power, and simplified installation and removal, making it suitable for both OEM and replacement applications.

Technical Specifications:

• Manufacturer: UNMARKED
• Part Number: R1 1-15/16
• Product Type: Split Taper Bushing
• Bushing Series: R1
• Bore Size: 1-15/16 in (1.9375 in / 49.21 mm)
• Function: Secures pulleys, sprockets, sheaves, and hubs to rotating shafts
• Bushing Style: Double Split Taper
• Bore Type: Finished Bore
• Keyway Size: 1/2 x 1/4 in
• Material: Steel, Ductile Iron, or Malleable Iron depending on manufacturer
• Flange Outside Diameter: 5.375 in
• Length Through Bore: 2.875 in
• Barrel Diameter (Large End): 4.0 in
• Bolt Circle Diameter: 4.625 in
• Number of Bolt Holes: 3
• Cap Screw Size: 3/8 x 1-3/4 in
• Barrel Taper: 3/4 in per foot
• Mounting Type: Conventional Split Taper
• Applications: Conveyors, pumps, fans, compressors, mixers, crushers, and industrial drive systems
• Designed for high-torque industrial power transmission applications

Common Replacements:

• Browning R1 1-15/16 Split Taper Bushing
• Martin R1 1-15/16 Split Taper Bushing
• Dodge R1 1-15/16 Split Taper Bushing