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Description
116-4004 – Toro Deck Spindle Bearing (6303-2RS) | OEM Replacement Bearing
The Toro 116-4004 Deck Spindle Bearing is a high-quality replacement bearing designed to restore smooth, reliable spindle performance on compatible Toro commercial and residential mower decks. This precision 6303-2RS double-sealed ball bearing supports mower blade spindles by reducing friction, minimizing vibration, and ensuring consistent blade rotation for a clean, professional-quality cut.
Featuring dual rubber seals (2RS) to keep grease in and dirt, dust, and moisture out, the 116-4004 Spindle Bearing is built for long service life in demanding mowing conditions. It is also used in Rotary 14549 spindle assemblies and replaces several OEM bearing numbers.
Product Details
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Part Number: 116-4004
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Brand: Toro
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Part Type: Deck Spindle Bearing
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Bearing Number: 6303-2RS
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Bearing Style: Double-Sealed Deep Groove Ball Bearing
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Function: Supports mower deck spindle shaft for smooth blade rotation
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Installation: Direct Replacement
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OEM Status: OEM Replacement Bearing
Replaces OEM Part Numbers
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Toro: 116-4004
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Bearing: 6303-2RS
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Kubota: 08141-06303
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Kubota: 15601-23420
Compatible Equipment
The 116-4004 Deck Spindle Bearing is compatible with:
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Selected Toro commercial and residential mower decks
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Rotary 14549 spindle assemblies
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Selected Kubota mower applications using OEM part numbers 08141-06303 or 15601-23420
Always verify your equipment model, spindle assembly, bearing dimensions, and OEM part number before ordering to ensure proper compatibility.
Key Features
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High-quality replacement for Toro OEM 116-4004
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Precision 6303-2RS sealed ball bearing
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Dual rubber seals retain grease and block contaminants
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Smooth, low-friction operation
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Reduces spindle vibration and noise
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Heavy-duty construction for long service life
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Direct replacement for compatible spindle assemblies
Function
The 116-4004 Spindle Bearing supports the mower deck spindle shaft, allowing the blade to rotate smoothly at high speeds while maintaining proper alignment and reducing wear on the spindle assembly.
Who Is This For?
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Homeowners
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Commercial landscapers
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Lawn care professionals
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Equipment repair technicians
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Golf course maintenance crews
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Municipal grounds departments
Recommended Property Size
Ideal for:
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Residential lawns
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Large residential properties
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Commercial landscapes
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Parks
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Sports fields
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Golf courses
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Municipal grounds
Pros
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Replaces multiple OEM part numbers
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Double-sealed (2RS) design keeps contaminants out
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Smooth, quiet operation
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Reduces spindle wear
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Heavy-duty construction
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Easy installation
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Long service life
Cons
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Fits only spindle assemblies designed for 6303-2RS bearings
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Installing new bearings in pairs is recommended when servicing spindle assemblies
Comparison – 116-4004 OEM Replacement vs Standard Bearings
116-4004 / 6303-2RS Bearing
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Double rubber seals
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Factory-equivalent fit
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Excellent contamination protection
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Designed for mower spindle applications
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Long-lasting performance
Generic Open Bearings
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Minimal contamination protection
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Require more frequent maintenance
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Shorter service life in outdoor conditions
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Less suitable for mower deck applications
Why Buy from Barry's Power Equipment?
Barry's Power Equipment supplies premium OEM and OEM-quality replacement parts trusted by professional landscapers and outdoor power equipment owners.
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Quality replacement bearings
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Fast nationwide shipping
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Competitive pricing
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Expert technical support
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Extensive inventory for Toro, Kubota, SCAG, Exmark, Wright, Ariens, Gravely, Ferris, Kawasaki, Kohler, Honda, Briggs & Stratton, STIHL, and many other leading outdoor power equipment brands.
