Product Description
Ensure the heavy-duty structural rotation of your engine with the Genuine Royal Enfield Drive Side Ball Bearing. This critical OEM component (Part No: 110050), recognized by its industry-standard designation 6305, is the primary main bearing located on the drive side (left-hand side) of the crankcase.
Designed to support the massive rotational forces of the crankshaft, the 110050 is a deep-groove ball bearing engineered to handle both high radial loads and moderate axial thrust. For Royal Enfield’s high-torque single-cylinder engines, this bearing is manufactured with a C3 internal clearance. This specific clearance is vital for air-cooled engines as it allows for the thermal expansion of internal metal components during long rides without causing the bearing to bind or seize. Whether you are rebuilding a vintage 1950s Bullet or maintaining a modern 500cc EFI Classic, using this genuine 6305 bearing ensures the factory-correct fitment and metallurgy required to sustain the engine’s legendary “thump” while minimizing mechanical vibration.
Key Features:
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OEM Drive Side Standard: 100% original Royal Enfield part, specifically balanced for the drive-side crankcase assembly.
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C3 High-Heat Clearance: Optimized for air-cooled engines to prevent seizing during extreme thermal expansion.
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Deep Groove Design: Provides stable shaft support and high load-carrying capacity for the crankshaft and transmission mainshaft.
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Legacy & Modern Compatibility: A versatile part that fits a vast range of Royal Enfield motorcycles from 1955 to the latest UCE models.
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Precision Durability: Manufactured from high-grade chrome steel or stainless steel alloys to resist surface pitting and wear under constant lubrication.
Product Specifications:
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Brand: Royal Enfield Genuine Parts
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Part Number: 110050
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Bearing Designation: 6305 (Standard)
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Dimensions: 25mm (Internal Diameter) x 62mm (Outer Diameter) x 17mm (Width)
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Clearance: C3 (Internal)
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Compatibility:
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✅ Royal Enfield Classic 350 / 500 (All UCE Models)
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✅ Royal Enfield Bullet 350 / 500 (Standard, Electra, ES UCE)
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✅ Royal Enfield Thunderbird 350 / 500 / 350X / 500X
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✅ Royal Enfield Continental GT 535
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✅ Legacy Models: Bullet 350 (1955+), Machismo (1989), Lightning 500/535
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❌ Note: Not compatible with the newer J-Series (Reborn/Meteor/Hunter) or 650 Twins.
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