Union Ball Bearing CB-139 6904 2RS (21.5x37x9) Bosch

Name: Buy the Union Ball Bearing CB-139 6904 2RS (21.5x37x9) Bosch | Fatdaddy Europe
SKU: 8590966361397
Price: 8 EUR
Availability: InStock

Maximize e-mix efficiency with precision-sealed Union Kogellager CB-139 6904 2RS bearings, engineered for Bosch-powered rides

€8

Gratis levering på ordrer over €50
Efter levering eller månedlige betalinger med Klarna & ALMA
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Unleash Peak Performance with Precision Bearing Technology.

Struggling with unreliable or noisy bearings that slow down your e-mobility ride? The Union Kogellager CB-139 6904 2RS delivers exceptional durability and smooth operation to keep your Bosch-powered system running at its best. Engineered for maximum efficiency and long-lasting performance, this bearing eliminates friction and wear, ensuring your ride stays fast, quiet, and unstoppable.

Key Features

Sealed 2RS design protects against dust and moisture for extended lifespan.
Precision engineering guarantees smooth rotation and minimal resistance.
Robust construction withstands high loads and harsh conditions.
Optimized dimensions (21.5x37x9 mm) for perfect Bosch compatibility.
Low maintenance thanks to high-quality seals and lubrication.

Technical Specifications

Model: Union Kogellager CB-139 6904 2RS
Dimensions: 21.5 mm (inner diameter) x 37 mm (outer diameter) x 9 mm (width)
Seal Type: 2RS (double rubber seals)
Compatibility: Bosch e-mobility systems
Type: Deep groove ball bearing

Frequently Asked Questions

What makes the 2RS seal important?

The 2RS seal provides double rubber protection, preventing dust and moisture from entering the bearing, which extends its lifespan and maintains smooth performance.

Is this bearing compatible with all Bosch e-mobility models?

This bearing is specifically designed to fit Bosch systems with matching dimensions, ensuring optimal performance and fitment.