10 Pack 8x16x6mm Double Shielded Stainless Steel Ball Bearings Pre Lubricated Shielded Bearings For Dust Protection Ideal For RC Toys Drones Machinery And Hobby Projects motion block outer diameter is 170mm and

outer diameter is 170mm and width is 32mm

The metal shields help keep out contaminants while allowing high-speed operation

Deep Groove ball bearings having an outside diameter => 9 mm and a bore diameter < 10 mm are known asExtra-small ball bearings

4mm Width - Open Type - Made in Japan

10 Pack 8x16x6mm Double Shielded Stainless Steel Ball Bearings Pre Lubricated Shielded Bearings For Dust Protection Ideal For RC Toys Drones Machinery And Hobby Projects motion block outer diameter is 170mm andPremium 10 pack, 8x16x6mm Shielded Stainless Sealed Ball Bearings 8x16x6mm deep groove stainless steel, double shielded, pre lubed, 10 pcs These compact bearings mate with miniature shafts in RC models, robotics, 3D printers, and DIY projects, protecting against dust while delivering reliable rotation. Inner diameter 8 mm Outer diameter 16 mm Width 6 mm Material: stainless steel Shielding: double metal shields (ZZ) Lubrication: pre lubricated with