Amazon.de: Ball Bearings: Business, Industry & Science: Radialkugellager, Druckkugellager, Pendelkugellager & More
10 Pack R8ZZ Premium Double Metal Shielded Bearings 1/2 x 1-1/8 x 5/16 Inch Stable Performance and Cost Effective, Deep Groove Ball Bearings: Amazon.com: Industrial & Scientific