Grooved Ball Bearing 6303 for KTM 390 Duke/Adventure - J410001701402

This is an OEM grooved ball bearing 6303 designed for smooth rotation and reduced friction in engine components. It ensures reliable performance under high-speed conditions in KTM and Husqvarna 390 series motorcycles. Direct replacement for genuine part number J410001701402.

Compatible with 2026 KTM 390 Adventure R/X (all variants EU/GB/RW/US), 390 Duke (black/blue EU/GB/RW/US), 390 Enduro R (EU/GB/RW/US), 390 SMC R (EU/GB/JP/RW/US/CKD/IKD); 2026 Husqvarna Svartpilen 401 (all variants); 2025 KTM 390 Adventure R/X (all variants EU/GB/RW/TW/US/nHD), 390 Duke (blue/orange EU/GB/RW/US/ASIA/nHD), 390 Enduro R (orange EU/GB/RW/TW/US), 390 SMC R (all variants); 2025 Husqvarna Svartpilen 401 and Vitpilen 401 (all variants EU/GB/RW/US/nHD); 2024 KTM 390 Duke (blue/orange all variants EU/GB/US/IKD/R2R); 2024 Husqvarna Svartpilen 401 and Vitpilen 401 (all variants EU/GB/US/TW/IKD/nHD/ASEAN).

Precision-engineered for durability and exact fit in engine cases. Supports high RPM operation with minimal wear.

Check compatibility list below to see if this part fits your motorcycle model.