PROX Crankshaft Bearing Ø20x52x15 - 6304JR2

An essential part for the restoration of the crankshaft, this ProX bearing (manufacturer reference 23.6304JR2) is designed to accommodate the primary shaft of small displacement motocross bikes. With a compact size of Ø20x52x15, reference 6304JR2, it is positioned on the crankshaft side to ensure precise rotation of the crankshaft and reduce friction during the high demands typical of motocross.

• Brand: PROX
• Category: Crankshaft Bearing
• Dimensions: Ø20 x 52 x 15 mm
• Packaging: sold individually
• Manufacturer reference: 23.6304JR2
• Universe: Motocross

Designed for maintenance or engine rebuild operations, this bearing is suitable for 65 cc engines and is compatible with the models listed below. It integrates during the replacement of the crankshaft or during a play check to restore a healthy and reliable engine assembly.

• KTM 65 SX (2025)
• GAS GAS MC 65 (2025)
• HUSQVARNA TC 65 (2024)

To ensure correct installation, follow the assembly and tooling recommendations of the engine manufacturer and replace worn parts simultaneously during the service.