Features 1、Strong bearing capacity, low noise when the bearing rotates, good rotation speed. 2、Super‑precise raceway, improve bearing stability, ensuring smooth operation. 3、Great workmanship, strong and durable, has a long service life when in use. 4、Adopts 2RS seal and dustproof form, such 51101 ball bearing is entitled with high practicality. 5、Made of premium bearing steel, rugged and corrosion resistant, long service life. Specification Condition: 100% brand new Item Type: Axial ball thrust bearing Material: High accuracy bearing steel Color: As picture shown Model: 51101 Inner Diameter: Approx. 12mm / 0.5in Outer Diameter: Approx. 26mm / 1in Thickness: Approx. 9mm / 0.4in Cage Process: Stamping Bearing Material: Bearing steel 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