1/2 bore 6203-ZZ-08 Special Size Ball Bearing 1/2x40x12 Shielded - Bearings Direct
99R16 Electric Motor Quality Sealed Ball Bearing 1"x2"x0.5" inch ID Bore Inner Diameter 1-inch x 2-inch OD Outer Diameter 25.4mm x 50.8mm: Amazon.com: Industrial & Scientific
100mm V-groove wheel with 1 ball bearing - Set of 2 | Leroy Merlin