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Description
9503 003 6440 – STIHL Bearing Genuine OEM Part
The STIHL 9503 003 6440 Bearing is a genuine OEM precision bearing engineered to provide smooth rotational movement, reduced friction, and reliable support for internal mechanical assemblies in STIHL outdoor power equipment. Manufactured to STIHL’s strict factory specifications, this high-performance bearing is designed for durability, high-speed operation, and long-lasting reliability in demanding working environments.
Built using premium-grade hardened steel and precision-machined internal components, the STIHL 9503 003 6440 bearing helps maintain proper alignment and smooth operation of shafts, crankshafts, drive systems, and rotating assemblies while reducing wear and vibration.
Key Details:
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Manufacturer: STIHL
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Part Number: 9503 003 6440
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Part Type: Bearing
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Material: Hardened precision steel
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Function: Supports rotating shafts and reduces friction
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Installation: Direct OEM replacement
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Condition: Genuine STIHL OEM Part
Compatibility:
The STIHL 9503 003 6440 bearing is used in a variety of STIHL outdoor power equipment applications, including selected:
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STIHL Chainsaws
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STIHL Trimmers
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STIHL Brushcutters
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STIHL Blowers
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STIHL Hedge Trimmers
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STIHL Pole Pruners
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STIHL Cut-Off Machines
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STIHL KombiSystem Equipment
Compatibility may vary depending on equipment model, production year, and assembly application.
Function:
This OEM STIHL bearing is designed to:
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Reduce friction between rotating components
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Support smooth shaft and crankshaft rotation
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Minimize vibration and wear
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Improve mechanical efficiency
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Help extend equipment service life
Who Is This For?
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Professional arborists
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Landscaping contractors
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Forestry workers
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Outdoor power equipment repair technicians
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STIHL equipment owners performing maintenance and repairs
Property Size Recommendation:
Ideal for servicing equipment used on:
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Residential properties
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Commercial landscaping operations
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Forestry applications
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Agricultural and ranch properties
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Industrial maintenance environments
Pros:
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Genuine STIHL OEM quality
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Precision-engineered factory fitment
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Smooth high-speed rotational performance
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Durable hardened steel construction
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Reliable long-term bearing performance
Cons:
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Compatibility verification may be required before installation
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Proper lubrication and installation procedures are important for maximum lifespan
Comparison vs Aftermarket Bearings:
Compared to generic aftermarket bearings, the STIHL 9503 003 6440 provides superior machining precision, tighter tolerances, and improved durability under heavy-load and high-RPM operating conditions. Genuine STIHL OEM bearings help maintain factory-level equipment performance and reduce the risk of premature bearing failure.
Why Buy From Barry’s?
Barry’s Outdoor Power Equipment supplies genuine OEM STIHL replacement parts trusted by professional landscapers, arborists, and homeowners nationwide. We provide high-quality outdoor power equipment components, fast shipping, and dependable customer support for STIHL chainsaws and commercial-grade equipment.
