Fidget Spinner Bearings With Caps 24 Pack Chrome Steel Craft Set For DIY Mods High Speed MR137 Bearings 5mm By 13mm With Blue Seals And Black Caps Replacement Kit For Smooth Spin And Custom Upgrades

MR137 Spinner Bearing Kit: 24-Pack Chrome Steel, Caps
✔️ Includes 24 MR137 5x13x4 mm bearings with blue seals & 24 black caps

This 24-pack provides MR137 precision high-speed bearings with blue plastic seals and black caps, perfect for DIY fidget spinner mods and replacement parts in crafts. The chrome steel construction and precise tolerances ensure smooth spins and durable performance in small projects.

✅ 24 MR137 bearings, 5 mm ID x 13 mm OD x 4 mm thick, chrome steel with blue seals
✅ 24 black caps compatible with MR137 bearings for fast swaps
✅ Sealed radial ball bearing design to resist dust, moisture, and grime
✅ Stainless steel races offer durability and corrosion resistance
✅ Handy for fidget spinners, DIY mods, and general replacement parts

💡 What is a sealed ball bearing used for in DIY projects and upgrades?

It's a handy component that reduces friction and extends the life of small builds.

- Handy for reducing friction in hobby projects and upgrades - Sealed radial ball bearing helps protect internal parts from dust - Common MR137 5x13x4 mm size fits many kits and spinners - Chrome steel races provide durable, long-lasting operation ✝️