R188-ZZ Bearing 1/4 Inch x 1/2 Inch x 3/16 Inch Both Sides Metal Shielded and Pre-Lubricated with Grease Radial Miniature Ball Bearing: Amazon.com: Industrial & Scientific
Kugellager 21 x 12 x 5 mm 6801 ZZ = 2Z Rillenkugellager Lager Metallabschirmung : Amazon.de: Gewerbe, Industrie & Wissenschaft
SKF 6020-Z Deep Groove Ball Bearing, Single Shield, Standard Cage, Normal Clearance, 100mm Bore, 150mm OD, 24mm Width: Amazon.com: Industrial & Scientific
Kugellager 35 x 17 x 10 mm 6003 ZZ = 2Z Rillenkugellager Lager Metallabschirmung : Amazon.de: Gewerbe, Industrie & Wissenschaft
10 x Kugellager 24 x 12 x 6 mm 6901 ZZ = 2Z Rillenkugellager Metallabschirmung : Amazon.de: Gewerbe, Industrie & Wissenschaft