F3-8 is a 3mm thrust ball bearing with flat raceway. Its inner bore diameter is 3mm, outer diameter is 8mm, and thickness is 3.5mm. The tolerance for inner bore diameter and outer bore diameter is -0.008mm to 0mm, and the tolerance for thickness is -0.12mm to 0mm.

This bearing consists of 3 separable parts, they are housing washer, shaft washer and cage. The washer is made of 52100 chrome steel (Gcr15), and the cage is made of brass or stainless steel. There are 6pcs of steel balls in the cage, and the ball size is 1.588mm.

F3-8 can bear a dynamic thrust load of 600N and a static load rating of 480N in maximum. Lubrication is required for using this bearing. This bearing can reach up to a max speed of 11,000 rpm with light oil lubricating. The working temperature range for F3-8 bearing is -30℃ to 110℃.

3mm thrust ball bearing indicates this bearing’s inner bore diameter is 3 mm. Fitrun Bearing is a professional manufacturer of mini thrust bearings with 20 years bearing manufacturing experience. Please contact with us to get a quick and free quotation for your custom bearings for your special applications today.