10-Pack Slot Car Flanged Ball Bearings 1/8" x 1/4" inch - Shielded 29mm width outer diameter is 260mm and

outer diameter is 260mm and the width is 86mm

They’re smoother

the 6010-2NSE inner diameter is 50mm

Equal: R155-2Z &-R155ZZ

the 22319EXW33 inner diameter is 95mm

10-Pack Slot Car Flanged Ball Bearings 1/8" x 1/4" inch - Shielded 29mm width outer diameter is 260mm and1 8" Flanged Shielded Bearings Slot Car Axles Deep Groove Design with Metal Shields Pack of 10 These flanged ball bearings are designed for 1 8" slot car axles and similar precision hobby uses. Built from chrome steel and shielded on both sides, they offer smooth, protected performance at high speeds. Each pack includes 10 pre lubricated bearings for easy installation and reliable action. Flanged deep groove ball bearing Size: 1 8" ID x 1 4" OD Double