Premier Budget W1621DS Stainless Steel Metal Shielded Imperial Deep Groove Ball Bearing 1/2x1-3/8x7/16 inch

1600 Series Double Sealed Precision Ground Radial Bearings: 1600 series are precision ground on all surfaces with exceptional care given to the ball grooves. Careful heat treatment provides a uniform and exact degree of hardness for maximum life. A ball retainer, or separator, is used to increase the range of allowable speeds by reducing ball-to-ball contact friction. They are recommended for medium loads and maximum speeds in the range of 5000 rpm. Double sealed and double shielded bearings are supplied grease packed as standard.
Benefits: Bearings are grease packed as standard. Double rubber sealed or double metal shielded to ensure that lubricant is kept in while keeping dirt and dust out.