Full Ceramic Ball Bearing 1/4 In Inner Diameter X 5/8 In Outer Diameter X 0.196 In Width Zirconia ZrO2 High Precision Bearing For Industrial And Commercial Use Designed For High Load Low Friction Long Lasting Reliability In Harsh Environments 3x7x3mm OEM part number: 31230-12140

OEM part number: 31230-12140

💡 What is a sealed angular contact bearing used for

flange mount

low-maintenance setups

and drum drives where stable shaft support matters

Full Ceramic Ball Bearing 1/4 In Inner Diameter X 5/8 In Outer Diameter X 0.196 In Width Zirconia ZrO2 High Precision Bearing For Industrial And Commercial Use Designed For High Load Low Friction Long Lasting Reliability In Harsh Environments 3x7x3mm OEM part number: 31230-12140R4 Full Ceramic Bearing 1 4 x 5 8 x 0. 196 in Zirconia ID 1 4 in (6. 35 mm), OD 5 8 in (15. 88 mm), W 0. 196 in The R4 Full Ceramic Ball Bearing is a lightweight, high precision bearing made entirely from zirconia ceramic. This design is perfect for high speed applications, corrosive environments, and setups that call for minimal lubrication. Its widely used in lab equipment, pharmaceutical devices, and compact machinery where metal bearings may rust