A pillow block bearing (or plumber block) is a base that provides support for a rotating shaft with the help of compatible bearings and various accessories. The assembly consists of a mounting block to place the bearing. The blocks are mounted on the base and inserted into the shaft to rotate the inside of the bearing/shaft. The inside of the bearing is usually 0.001 inch (0.025 mm) larger than the shaft to ensure a tight fit. Setting screws, locking collars, or retaining collars are commonly used to secure shafts.1. Your inquiry will be reply within 2 hours. 2. Fast delivery,within 7 working days. 3. Packing: you will receive a Perfect product with strong outside packing. 4. With advanced first-level facilities and testing equipment,to insure no mistake on the dimension of the bearings. 5. No M.O.Q, Because we are manufacture. 6. 24 hours on line,no limited to talk to us. 7. Return Policy:We gladly accept returns for item purchased within a 30 day period, provided it is still in the original package, not used nor damaged. 8. Warranty Claims :The Warranty covers any Defect of the product for a period of 12 months. It does not cover items that are not correctly installed or over tightened which may cause premature failure. Installation or any other fee's are not refundable.Material: Made of high quality zinc alloy, high strength, rust proof, durable, long service life. Features: this bearing is an automatic alignment pillow block bearing, you can easily adjust or replace the bearing; Double bolt housing with ball bearing inserts, ready to install; Set the screw locking ring for securing to the guide shaft. Application: Widely used in various machinery, power, mining, metallurgy, textile, agriculture and other industries, especially the food machine industry. The pillow block can also be used in conveyer systems, film pr ocessing machines, rotary machines and printers. ocessing machines, rotary machines and printers.