Features 1、Strong bearing capacity, good rotation speed, low noise when the bearing rotates. 2、Super-precise raceway, improves bearing stability, to have a smooth operation. 3、Using 2RS seal and dustproof form, this 51100 ball bearing is entitled with high practicality. 4、Made from premium bearing steel, rugged and corrosion resistant, high reliability. 5、Great workmanship, strong and durable, has a long service life when in use. Specification Condition: 100% brand new Item Type: Axial ball thrust bearing Color: As picture shown Model: 51100 Inner Diameter: Approx. 10mm / 0.4in Outer Diameter: Approx. 24mm / 0.9in Thickness: Approx. 9mm / 0.4in Cage Process: Stamping Bearing Material: HP Rolling Type: Ball Raceway Type: Convex track Seals and Dustproof Form: 2RS Rolling Column Number: Single column Package List 5 x Axial Ball Thrust Bearing