MR148ZZ is a chrome steel ball bearing with metal double shielded. Its bearing ring is made of 52100 chrome steel (Gcr15). Its stainless steel (AISI 316L or AISI 304) version is SMR148ZZ which is used for corrosion resistant applications like fishing reel bearings, food and beverage industry, etc.

The dimension of MR148ZZ bearing is 8x14x4 mm. Its inner bore diameter is 8mm, outer diameter is 14mm, bearing thickness is 4mm. The tolerance of bore and outer diameter is -0.008 to 0 mm, and the tolerance of width is -0.12 to 0 mm. MR148ZZ is an MC3 grade miniature ball bearing, its radial clearance is 0.002 to 0.013 mm. There are 10 pieces of steel balls in the cage assembly, the cage material is stainless steel, and the ball size is 1.588 mm. The net weight of MR148ZZ is 2.19 gram approximately.

MR148ZZ is a radial load miniature deep grooved ball bearing, with a Cr (Continuous Rating) dynamic load of 695 N and a Cr static load of 309 N. Lubrication is required for smoother operation, with light oil lubricating its rotating max speed can reach up to 38,000 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 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.