2 Pcs Deep Groove Ball Bearing Small Bearing 698RS Rubber Cover 8mm x 19mm x 6mm High Speed Bearing Z1 Bearing Steel High Wear Resistance Bearing

Size: 698RS (Inner Dia.=8mm, Outer Dia.=19mm, Thickness=6mm) Made from bearing steel, strong durability and resistance to deformity under heavy loads. Hardness 60-62°, high speed, low noise, high precision, Good wear resistance. Closed with metal shields to protect the bearing from dust or any possible contamination. Applicable to: all kinds of mechanical transmission, supporting motors, precision instruments, telecommunications equipment doors and windows pulleys, fitness equipment, toy car models, skateboard roller skating, fishing gear, aircraft model equipment, sewing machinery, household appliances, medical equipment, etc.