Crankshaft Rebuilding Kit: Bearing and Oil Seal Kit
CrankShaft rebuilding kit for MINARELLI AM engine. The Kit is made of 2 SKF Bearings 6303TN9/C3 with POLYMER CAGE and 2 SPECIAL OIL SEALS - WARNING!: TN9 BEARINGS (POLYMER BEARING CAGE) should not be used in engines with catalytic converters
Description
Athena’s Crankshaft Rebuilding Kits are designed to provide a complete and reliable solution for crankshaft and bottom-end overhauls. Each kit includes all the essential components needed for a professional rebuild, ensuring long-lasting performance and durability.
Bearings and oil seals in one complete kit
Each kit includes the main crankshaft bearings and the necessary engine oil seals. The bearings are sourced from top-tier manufacturers such as SKF, NTN, and KOYO, ensuring premium quality, precision, and resistance to wear.
Built to withstand extreme operating conditions
All components are selected to perform under high thermal and mechanical stress, including elevated temperatures, heavy loads, and exposure to contaminants. High-grade materials and precision engineering ensure consistent sealing and extended service life.
OEM-level fitment and easy installation
Each kit is engineered to match the original engine configuration, making installation straightforward and efficient. It’s the ideal solution for workshops, engine builders, and experienced riders looking for a ready-to-install, high-quality product.
Strict quality control for every component
All parts undergo rigorous quality checks to ensure dimensional accuracy, mechanical efficiency, and long-term reliability. Athena kits are the trusted choice for those seeking superior components for crankshaft rebuilding.
Bullet points
Bearings and seals for full crankshaft overhaul
Bearings from SKF, NTN, or KOYO included
Built to handle thermal and mechanical stress
OEM fitment and professional-grade quality
Technical features
| Bearings Brand | SKF |
| Net Weight (Kg) | 0.27 |
- Manufacturer: ATHENA
- Net Weight (Kg): 0.06
- Oil Seal Total Height (mm): 11.00
- Oil Seal External Diameter (mm): 54.00
- Net Weight (Kg): 0.40
- Manufacturer: ATHENA
- Net Weight (Kg): 0.06
- Oil Seal Total Height (mm): 10.50
- Oil Seal External Diameter (mm): 53.00
- Manufacturer: SKF
- Net Weight (Kg): 0.05
- Oil Seal Total Height (mm): 9.00
- Dust Seal Total Height (mm): 4.90
- Manufacturer: ATHENA
- Net Weight (Kg): 0.05
- Oil Seal Total Height (mm): 10.50
- Oil Seal External Diameter (mm): 52.00
- Manufacturer: ATHENA
- Net Weight (Kg): 0.06
- Oil Seal Total Height (mm): 11.00
- Oil Seal External Diameter (mm): 50.00
- Manufacturer: ATHENA
- Net Weight (Kg): 0.05
- Oil Seal Total Height (mm): 9.50
- Oil Seal External Diameter (mm): 53.00
- Height: 14.80
- External Diameter (mm): 15.00
- Internal Diameter (mm): 12.00
- Manufacturer: ATHENA
South Africa 