10 Pack Shielded R133ZZ Miniature Ball Bearings 3/32 In Inner Diameter 3/16 In Outer Diameter 3/32 In Width Double Shielded Metal ZZ For Precision Machinery And Small Drives 3mm width SR4ZZ Stainless Steel Premium ABEC-5

SR4ZZ Stainless Steel Premium ABEC-5 Ball Bearing

They protect against dust and moisture while delivering smooth

✅ Balls: 9 black Si3N4 ceramic balls per bearing

chemical processing

PTFE cage This full ceramic sealed bearing is built for precise motion in compact machinery

10 Pack Shielded R133ZZ Miniature Ball Bearings 3/32 In Inner Diameter 3/16 In Outer Diameter 3/32 In Width Double Shielded Metal ZZ For Precision Machinery And Small Drives 3mm width SR4ZZ Stainless Steel Premium ABEC-510 Pack Shielded Miniature Bearings R133ZZ, precision pack Pack of 10, ID 3 32 in, OD 3 16 in, width 3 32 in, ZZ shields These shielded miniature ball bearings are designed for compact, high precision applications where dust protection and long life matter. Theyre common in hobby robotics, small gear trains, and precision instruments. Bore: 3 32 in (2. 38 mm); OD: 3 16 in (4. 76 mm); Width: 3 32 in (2. 38 mm) Shielding: Double metal shields (ZZ)