MR83ZZ is a mini deep groove ball bearing with metal double shielded. Its bearing ring is made of 52100 chrome steel (Gcr15), and bearing cage is made of stainless steel. Its stainless steel version is SMR83ZZ, which the ring material is made of 440C stainless steel (316L and 304 stainless steel version are also available upon request). MR83ZZ is a single row construction ball bearing with 7 pcs of steel balls assembled with the cage. The ball size is 1.2 mm in diameter. The bearing net weight is 0.67 gram.

MR83ZZ is a metric size mini ball bearing with a dimension of 3x8x3 mm. Its bore diameter is 3 mm, outer diameter is 8 mm, and width is 3 mm. It is an ABEC-1 grade ball bearing, the tolerance of bore and outer diameter is -0.008 to 0 mm, and the tolerance of width is -0.12 to 0 mm. Its radial clearance is 0.002 to 0.013 mm, which it is MC3 grade.

It can bear a dynamic radial load of 336 Newton, and a static radial load of 113 Newton. Lubrication is required, and with the oil lubricating its rotating max speed can reach up to 60,000 rpm. It is suitable to work in a temperature condition between -30℃ to 110℃.

With its micro size, high speed but lower load, MR83ZZ bearing is widely used in applications like precision instruments and micro motors, etc. Fitrun Bearing is a professional manufacturer of mini ball bearings with 20 years bearing manufacturing experience. We can customize the bearing to fit your special applications. Please contact us to get a free and quick quotation for your custom bearings.