Stihl 9523 003 4278 – Grooved Ball Bearing (5 × 35 × 13 mm)
Product Description:
The Stihl 9523 003 4278 grooved ball bearing is a genuine OEM component designed to support the crankshaft and clutch shaft in select Stihl chainsaws and power tools. With precise dimensions of 5 mm inner diameter × 35 mm outer diameter × 13 mm width, this bearing ensures smooth rotation and efficient power transfer, enhancing tool performance and lifespan.
Crafted from hardened steel with precision races and quality lubrication, this bearing withstands the high speeds, heat, and vibration typical of professional chainsaw use. It’s an exact replacement part guaranteed to fit and perform like the original.
Key Features:
✅ Part Number: 9523 003 4278
✅ Size: 5 × 35 × 13 mm
✅ Type: Deep-groove ball bearing for radial loads
✅ Material: Hardened steel with high-precision tolerances
✅ Function: Smooth, reliable rotation of crankshaft and clutch components
✅ Fitment: OEM-grade design for seamless replacement
Compatible Models:
Commonly used in Stihl models such as:
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MS 441, MS 460, MS 462
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MS 500i and other large-capacity saws
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Other models sharing the 5 × 35 × 13 shaft-bearing specification
(Always check your tool’s parts diagram to confirm the exact model compatibility.)
Why Choose Genuine Stihl Bearings?
✅ Perfect fit to Stihl factory tolerances
✅ Reduces wear and prolongs engine life
✅ Handles high RPMs and significant vibration
✅ Trusted quality—professionally engineered for consistency
