Enduro Max 6903 Bearing 17x30x7
The Enduro Max 6903 bearing is a high-quality cartridge bearing commonly used in bicycle hubs, suspension pivots, and bottom brackets. It’s designed for durability under high loads and harsh riding conditions.
Key Specifications
- Bearing code: 6903
- Dimensions: 17 × 30 × 7 mm
- 17 mm inner diameter (ID)
- 30 mm outer diameter (OD)
- 7 mm width (W)
- Product ID: 4013807
- Type: Max-style cartridge bearing (optimized for load capacity)
What “Max” Means
Enduro “Max” bearings are designed with:
-
More ball bearings inside (higher load capacity than standard bearings)
- Reduced cage structure for stronger load distribution
- Better resistance to deformation under MTB stress
Typical Uses
- MTB hubs (front and rear)
- Full suspension pivot points
- Bottom bracket systems
- High-load rotating assemblies
Performance Characteristics
- High radial and lateral load capacity
- Better suited for rough terrain than standard 6903 bearings
- Sealed design helps keep out dirt, water, and grime
- Ideal for enduro, trail, and downhill riding conditions
Why 6903 Size Matters
The “6903” code defines the bearing geometry, making it interchangeable across components that require the same:
- 17 mm axle compatibility
- 30 mm housing diameter
- 7 mm bearing width
