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Description
1-634277 – BEARING ARM ASM (3BW) (Genuine OEM Toro Part)
The Toro 1-634277 Bearing Arm Assembly (3BW) is a genuine OEM idler/bearing arm assembly designed to support and position a bearing or pulley within belt-driven systems. This assembly plays a critical role in maintaining correct belt alignment, proper tension, and smooth power transmission during equipment operation.
Manufactured to Toro OEM specifications, this bearing arm assembly provides precise geometry, structural strength, and long-term durability. Its robust construction is engineered to withstand continuous belt load, vibration, and operational stress commonly encountered in commercial and residential outdoor power equipment.
Key Details
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Manufacturer Part Number: 1-634277
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Brand: Toro
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Part Type: Bearing Arm Assembly
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Series / Reference: 3BW
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Function: Supports bearing/pulley and maintains belt alignment
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Construction: Heavy-duty formed and welded steel assembly
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Performance: Ensures stable belt tracking and consistent tension
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Installation: Direct OEM replacement
Compatibility
The Toro 1-634277 Bearing Arm Assembly (3BW) is used on select Toro lawn and garden equipment, including mower decks and belt drive systems where controlled belt routing and tension are required. It is designed to integrate seamlessly with OEM bearings, pulleys, belts, and mounting hardware.
This genuine Toro OEM bearing arm assembly is essential for maintaining smooth belt operation, reducing premature belt wear, and ensuring reliable equipment performance.
