70-Piece Sealed Ball Bearing Assortment Kit 608ZZ 693ZZ 623ZZ 624ZZ 685ZZ 687ZZ 627ZZ Double Metal Sealed Deep-Groove Bearings with Storage Box for Skateboards, 3D Printers, Motors

70-piece sealed ball bearing kit for wheels and printers
✔️ 70 pcs: 7 sizes, 10 each; storage box; double metal seals

This 70-piece sealed ball bearing assortment is a pack of common deep-groove bearings used for skateboard wheels, inline skates, 3D printers, hobby motors and small machines. Includes a handy storage box and 10 bearings of each size for easy replacement and projects.

✅ Pack contents: 70 pieces total - 7 sizes, 10 of each model
✅ 608ZZ: 8 x 22 x 7 mm / 0.31 x 0.87 x 0.28 in
✅ 693ZZ: 3 x 8 x 4 mm / 0.12 x 0.31 x 0.16 in
✅ 623ZZ: 3 x 10 x 4 mm / 0.12 x 0.39 x 0.16 in
✅ 624ZZ: 4 x 13 x 5 mm / 0.16 x 0.51 x 0.20 in
✅ 685ZZ: 5 x 11 x 5 mm / 0.20 x 0.43 x 0.20 in
✅ 687ZZ: 7 x 14 x 5 mm / 0.28 x 0.55 x 0.20 in
✅ 627ZZ: 7 x 22 x 7 mm / 0.28 x 0.86 x 0.28 in
✅ Storage box size: 146 x 85 x 35 mm / 5.75 x 3.35 x 1.38 in
✅ Material: high carbon steel and bearing steel, double metal sealed deep-groove design for low noise and high-speed rotation
✅ Typical uses: skateboard wheels, inline skates, 3D printer bearings, small electric motors, linear slide unit guides and hobby machinery

💡 What are the benefits of sealed ball bearings for skateboard wheels and 3D printer motors? Sealed bearings keep grease in and grit out for longer service life and smoother running. - Improved uptime and lower maintenance for wheels and motors with sealed ball bearing protection - Cleaner operation and longer life compared to open bearings; handy for dusty or outdoor use - Suitable for mid-speed, low-noise applications and compatible with linear slide unit setups and hobby electronics