6902-2RS Bearings, 15x28x7mm Ball Bearing 6902RS Double Rubber Sealed Shielded Bearing ID 15mm, OD 28mm, Thickness 7mm Pre-Lubricated Deep Groove Ball Bearing for 3D Printer, Scooters 4pcs

Package includes: 4pcs 6902-2RS deep groove ball bearings, inner diameter: 15mm, outer diameter: 28mm, thickness 7mm. Material: The bearing is made of high-precision bearing steel, which is resistant to rust, deformation and good stability under heavy load. Double rubber seal: prevent the leakage of lubricant in the bearing and prevent the intrusion of external dust, moisture, foreign matter and other harmful substances. Support harsh environment use. Application: Rolling bearings are widely used in agricultural machinery, conveying equipment, robots, elevators, ship rudder shafts, skateboards, and inline skates. Features: Smaller friction can make the engine speed higher, not easy to generate heat during operation, and improve work efficiency. The mute effect is good. The bearing oil has been filled in the factory, which is convenient to use.