Deep Groove Ball Bearing 6702ZZ 15mm ID 21mm OD 4mm Width Chrome Steel GCr15 Z2 Double Shield Built Tough For Smooth Operation High Speed ABEC 1 P0 Tolerance Heavy Load Pack Of 10 Bearings

Deep Groove Ball Bearing 6702ZZ, 15x21x4 mm, 10-pack
✔️ 15x21x4 mm, chrome steel GCr15, double shield, ABEC 1

These sealed deep groove ball bearings handle radial and axial loads with smooth, low-noise operation. Sized 15 mm by 21 mm by 4 mm, they’re ideal for motors, robotics, model kits, instruments, and other precision gear where reliable rotation matters. Made from chrome steel (GCr15), they resist heavy loads and high speeds.

✅ 15 mm ID, 21 mm OD, 4 mm width
✅ Chrome steel GCr15 for durability under heavy loads
✅ Z2 double shield seals keep lubricant in and contaminants out
✅ ABEC 1 (P0) tolerance for smooth, quiet operation
✅ High-speed capability and good temperature resistance

💡 What is a deep groove ball bearing used for? These handy bearings are a common choice for supporting rotating shafts across a range of machines. - handling radial and axial loads in motors, robotics, and precision instruments - ideal for high-speed, low-noise operation in hobby projects and industrial tools - sealed on both sides to trap lubricant and keep out dust and liquids - compatible with chrome steel bearings and ABEC-grade tolerances for consistency