Overview
The Martin 3535 3-1/2″ taper lock bushing is a standard-duty power transmission coupling designed for use with tapered bushing sprockets and pulleys. The 8-degree taper design ensures positive shaft engagement with flush mounting and no protruding parts. Cast iron construction provides reliable performance in industrial machinery, conveyors, and drive systems.
Key Features
- 8-degree taper design for positive grip and no-slip holding
- Finished bore with 7/8″ x 1/4″ keyway (standard steel shaft configuration)
- 44,800 in-lb torque capacity handles heavy-duty applications
- Flush mounting design fits directly into taper bushed sprockets and pulleys
- Cast iron construction for durability and corrosion resistance
- Easy installation and removal without special tools
Technical Specifications
- Bushing Series: 3535
- Bore Diameter: 3.500 inches
- Barrel Diameter (OD): 5 inches
- Overall Length: 3.5 inches
- Taper Angle: 8 degrees
- Keyway Size: 7/8″ x 1/4″
- Bolt Circle Diameter: 4.83 inches
- Number of Bolt Holes: 3
- Fastener Specification: 1/2″ x 1-1/2″ Cap Screw
- Torque Capacity: 44,800 in-lb
- Material: Cast Iron
- Weight: Approximately 9.68 lbs
- Hub Diameter Range: 7 to 7-3/4 inches
Typical Applications
The Martin 3535 taper lock bushing is commonly used in:
- Conveyor systems and material handling equipment
- Industrial pulley and sprocket assemblies
- Fan and blower drive systems
- Compressor and pump drive coupling
- General machinery shaft alignment and power transmission
Compatibility & Replacements
Compatible With
- Martin taper bushed sprockets and pulleys (3535 series)
- All standard taper-lock equipped power transmission equipment
- Steel shafts with 3.5″ diameter bore tolerance
- Common industrial motors and gearboxes
Replaces / Drop-In Replacement For
- TB Woods TL3535312
- Dodge 3535X3-1/2KW
- Precision Pulley & Idler 3535X3-1/2KW
- US Tsubaki 3535 3-1/2
Works With
- Martin pulley and sprocket systems with 3535 taper bore
- Standard metric and imperial motor mounts
- ANSI-standard coupling applications
- Most industrial V-belt and chain drive systems
