Description
The True Manufacturing 920133 is a Q1 Series malleable iron split taper bushing engineered for dependable power transmission in commercial HVAC and industrial drive applications. Featuring a precision-machined 1-11/16″ bore and a 3/8″ x 3/16″ keyseat, this bushing delivers a secure, concentric fit on shafts while allowing quick installation and removal without disturbing the surrounding drive assembly.
Split taper bushings are the industry-standard solution for mounting sheaves, pulleys, sprockets, and couplings to drive shafts. The tapered design creates a tight, self-centering clamp that eliminates shaft slippage and reduces vibration — critical for maintaining efficient blower and fan operation in HVAC systems.
Key Features
- Q1 Series split taper bushing design for fast, tool-accessible installation and removal
- Malleable iron construction for strength, durability, and resistance to shock loads
- Precision-machined 1-11/16″ bore for accurate shaft fit
- 3/8″ x 3/16″ keyseat for positive torque transmission and shaft key retention
- Self-centering taper ensures concentricity and minimizes vibration
- Compatible with Q1 Series sheaves, pulleys, and sprockets
- Suitable for HVAC blower assemblies, fan drives, and general power transmission applications
Specifications
- SKU: 920133
- Series: Q1
- Material: Malleable Iron
- Bore: 1-11/16″
- Keyseat: 3/8″ wide x 3/16″ deep
- Bushing Type: Split Taper
Application
Ideal for use in commercial HVAC blower and fan drive systems, air handling units, and any power transmission application requiring a reliable, removable bushing connection. The Q1 Series split taper design is widely used across the HVAC and mechanical trades for its ease of service and consistent clamping performance.
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