Main Bearing Blue for KTM 790/890/990 and Husqvarna 901 - 635301820001

This main bearing (Blue) is a critical engine component designed to ensure smooth crankshaft rotation and optimal engine performance. As a genuine OEM part, it provides the exact fit and durability required for high-stress internal engine applications.

This bearing is compatible with a wide range of models, including the KTM 790 Duke and Adventure (2018-2020), KTM 890 Duke and Adventure series (2020-2025), and the KTM 990 Duke and RC R (2024-2026). It also fits Husqvarna Norden 901 and 901 Expedition models from 2022-2026.

Engineered to strict factory tolerances, this OEM bearing helps maintain proper oil clearance and reduces friction within the engine assembly. Using genuine replacement parts is essential for preserving the longevity and reliability of your motorcycle's engine.

Professional installation by a qualified technician is recommended when performing internal engine work to ensure correct clearance and seating. Always verify your engine's specific bearing color requirements before installation. Check compatibility list below to see if this part fits your motorcycle model.