Othmro 2pcs 6203ZZ Deep Groove Ball Bearing, 17mm x 40mm 12mm Double Shielded Bearings, High Carbon Steel Bearing

【High Quality】The bearings is made of high Carbon bearing steel for durability and resistance to rust, corrosion and deformity under heavy loads. 【Size】Outer Diametre:40mm, Bore(Inner Dia)：17mm, Width(Thickness):12mm, Model：6203ZZ, Material:High Carbon Chromium Bearing Steel(GCr15) 【Feature】Rolling bearings use rolling elements to maintain the separation between moving parts to reduce rotational friction and support radial and axial loads,and it has small friction and high-limit speed 【Strictly Shielded】The bearing has shield to keep lubricant in and contaminants out;protects the working parts of the bearing from environmental debris that may be introduced and could reduce the ball bearing speed and lifespan 【Application】Rolling bearings are used in a range of applications from agricultural machinery to conveying equipment,robotics,dental equipment, elevators, rolling mills, ship rudder shafts, aggregate crushers,skateboards, inline skates, and scooters, among others