Details
Type: Ceramic Ball          Brand Name: XZ         Bore Size: 30 mm          Outside Diameter: 47 mm 

Model Number: 6906-2RS           Place of Origin: China (Mainland)           Races: Chrome steel 

Balls: Si3N4           Ceramic Cage: Nylon, PTFE, Steel .

Packaging & Delivery
Packaging Details: Standard industrial Packing 
Delivery Detail: In stock for delivery or by customer request .
Specifications
1. Longer life 

2. Self-lubricated 

3. Rust-resistant 

4. ISO Certificate