9503 003 6440 – Grooved Ball Bearing (DIN 625 6201‑2RS)
Product Description:
The Stihl 9503 003 6440 grooved ball bearing is a genuine OEM component designed to deliver smooth, low-friction rotation in shaft, gear, and pulley applications within Stihl cut-off saws and handheld equipment. This bearing meets DIN 625 standards in a 6201‑2RS configuration, featuring double rubber seals for enhanced protection against dust, debris, and moisture.
Constructed with high-grade steel raceways and precision-engineered balls, it supports reliable operation under the high RPM, vibration, and heat typical of professional-grade outdoor power tools. Whether used in blade shaft pulleys, gearboxes, or guard-arm assemblies, this bearing ensures optimal performance and durability.
Key Features:
✅ Part Number: 9503 003 6440 (supersedes 9503 003 0240)
✅ Specification: DIN 625 – 6201‑2RS (double rubber-sealed)
✅ Material: Hardened steel with sealed shields
✅ Function: Enables smooth, protected rotational movement
✅ Fitment: OEM-standard for direct replacement
Compatible Applications:
Often found in the following Stihl equipment:
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Cut-Off Saws: TS 350, TS 360, TS 400, TS 410, TS 420, TS 460, TS 510, TS 700, TS 760, TS 800
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Brushcutters and Clearing Saws: FS and FR series
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Backpack and Kombi Tools: Gearhead and pulley assemblies
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Multi-function Tools: FCB‑KM, FCS‑KM lines
(Always confirm compatibility with your equipment’s parts diagram.)
Why Choose Genuine Stihl Bearings?
✅ Built to precise factory tolerances for perfect fit
✅ Sealed design protects against contaminants and extends bearing life
✅ Smooth, quiet operation for professional-level performance
✅ Trusted quality across demanding outdoor applications