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Description
1-543509 – BEARING, ROLLER, TAPERED (Genuine OEM Toro Part)
The Toro 1-543509 Tapered Roller Bearing is a genuine OEM bearing engineered to support combined radial and axial loads while providing smooth, reliable rotation in outdoor power equipment assemblies. The tapered roller design allows for precise load distribution, making it ideal for applications where durability, alignment, and long service life are critical.
Manufactured to Toro OEM specifications, this bearing ensures accurate fitment, consistent performance, and dependable operation under demanding conditions. It is designed to withstand continuous load, vibration, and impact commonly encountered in mower decks, wheel hubs, and drivetrain-related components.
Key Details
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Manufacturer Part Number: 1-543509
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Brand: Toro
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Part Type: Tapered Roller Bearing
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Function: Supports combined radial and axial loads
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Design: Tapered roller for load stability and smooth rotation
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Construction: Precision-machined, hardened steel
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Performance: Low-friction, high-load capacity
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Installation: Direct OEM replacement
Compatibility
The Toro 1-543509 Tapered Roller Bearing is used on select Toro commercial and residential lawn and garden equipment, including mower decks, wheel hub assemblies, and drivetrain components where tapered roller bearing support is required. It is designed to integrate seamlessly with OEM shafts, races, and housings.
This genuine Toro OEM tapered roller bearing is essential for maintaining smooth operation, proper load handling, and long-term reliability of rotating assemblies.


