MR117ZZ is a miniature deep groove ball bearing with stainless steel double shielded. This bearing is made of 52100 chrome steel (Gcr15). SMR117ZZ is the same size as MR117ZZ but made of 440C stainless steel ball bearing (316L or 304 stainless steel is also available).

MR117ZZ is a very small size ball bearing with a dimension of 7x11x3 mm. Its bore diameter is 7mm, outer diameter is 11mm and bearing thickness is 3mm. The tolerance of bore and outer diameter is -0.008 to 0 mm, and the tolerance of thickness is -0.12 to 0 mm. The radial clearance of MR117ZZ is 0.002 to 0.013 mm which means its radial clearance trade number is MC3; higher grade is available upon request. It has 9 pieces of steel balls in the cage assembly, and the ball size is 1.2 mm. The net weight of MR117ZZ is 0.71 gram.

MR117ZZ is a radial load ball bearing, with a Cr (Continuous Rating) dynamic load of 387 N and a Cr static load of 162 N. Lubrication is required for smoother and long term operation, with light oil lubricating its rotating max speed can reach up to 43,000 rpm. It is suitable to work in a temperature condition between -30℃ to 110℃.

Fitrun Bearing is a professional manufacturer of miniature ball bearings with 20 years bearing manufacturing experience in China. We manufacture miniature deep groove ball bearings, micro thrust bearings, miniature flanged ball bearings and thin section ball bearing. The inner bore diameter of ball bearings ranges from 1 to 15 mm. We can customize the bearing to fit your special applications. Huge stock, fast delivery, high quality and competitive prices are what we offer to you. Please contact us to get a free and quick quotation today.