Bearings
AV & JV Nilos Rings
Quick Code: BB-285710
6303-AV Nilos Ring
6303-AV Nilos Ring - All-Metal Bearing Seal Protection
The 6303-AV Nilos Ring is an all-metal seal engineered to protect ball and roller bearings against contamination from dirt, debris, and tough abrasive particles that can cause equipment malfunction. The AV variant is specifically designed for grease-lubricated anti-friction bearings operating in high-contamination environments.
Product Specifications:
- Bearing Size: 6303
- Style: AV (All-Metal Seal)
- Brand: Nilos
- Reference: 6303-AV
Key Features:
- All-metal construction for durability and long-lasting reliability
- Superior contamination protection from dirt, debris, and abrasive particles
- Designed for grease-lubricated anti-friction bearings
- Ideal for harsh industrial environments with high contamination risk
- Extends bearing life and reduces maintenance downtime
Ideal Applications & Industries:
- Mining equipment and operations
- Paper manufacturing facilities
- Agricultural machinery
- Construction equipment
- Automotive components and assemblies
The 6303-AV provides reliable all-metal sealing performance for demanding industrial applications where bearing protection from external contaminants is critical to equipment reliability and longevity. As part of our extensive AV & JV Nilos Ring lineup with over 1000 variations, this seal ensures superior bearing protection in the harshest operating conditions.

