Deep Groove Ball Bearing 12x21x5 mm 6801-2RS Double Rubber Sealed Pre Lubricated Chrome Steel High Speed Low Noise ABEC 1 P0 Tolerance Heavy Load Capacity 10 Pieces Pack Ideal For Hobby Machines And RC Projects, Durable, Rust Resistant And Long Lasting

12x21x5 mm Deep Groove Ball Bearing 6801-2RS 10pc Pack
✔️ Chrome steel GCr15, double rubber seals, ABEC 1, P0 tolerance

These sealed bearings are 6801-2RS with I.D. 12 mm, O.D. 21 mm, and thickness 5 mm. They’re pre-lubricated and built from chrome steel (GCr15) for durability, low noise, high speed performance, and resistance to heavy loads. This 10-piece pack makes it easy to stock up for hobby machines, RC projects, models, and precision gear setups.

✅ I.D. 12 mm, O.D. 21 mm, thickness 5 mm
✅ Chrome steel GCr15 for durability under heavy loads
✅ Sealed on both sides for lubricant retention and dirt protection
✅ ABEC 1 (P0) tolerance for low noise and high speed
✅ Pack of 10 pieces, ideal for hobby machines, RC projects and toys

💡 What is a deep groove ball bearing used for in hobby machines and RC projects? Deep groove ball bearings are handy for smooth rotation and longevity in compact platforms. - They support radial loads in small motors, gearboxes, and wheel assemblies - They tolerate some axial load and misalignment in hobby setups - Double-seal variants keep lubricant in and contaminants out for longer life