uxcell 604ZZ Deep Groove Ball Bearing Double Shield 604-2Z 80014, 4mm x 12mm x 4mm High Carbon Steel Z1 Bearings (Pack of 8): Amazon.com: Industrial & Scientific
607ZZ Double Shield Rillenkugellager 607-2Z 80017, Z1 Kugellager mit hohem Kohlenstoffgehalt, 7 mm x 19 mm x 6 mm, 8 Stück : Amazon.de: Auto & Motorrad
uxcell 6001-2RS Deep Groove Ball Bearing 12mm x 28mm x 8mm Double Sealed High Carbon Steel Z1 Bearings 8pcs : Amazon.com.au: Home Improvement
uxcell 604ZZ Deep Groove Ball Bearing Double Shield 604-2Z 80014, 4mm x 12mm x 4mm High Carbon Steel Z1 Bearings (Pack of 8) : Amazon.sg: Industrial & Scientific