Pillow Block Bearings
Pillow block bearings, sometimes referred to as plummer block bearings, are mounted bearings that are used to provide load support for a rotating shaft. Their mounting surface is on a plane parallel and offset to the axis of the shaft.Pillow Block Bearings Pillow blocks, the most commonly used type of mounted units, are designed to provide shaft support where the mounting surface is parallel to the shaft axis. The bolt holes are usually slotted for adjustment during mounting.
Mounting holes or slots in the base or feet of pillow block bearings permit adjustment and easy mounting.Pillow blocks are supplied in a variety of configurations.Pillow block bearings are a typical style of bearing. These bearings are composed of a self-aligning ball bearing (the commonly used type) and plummer block. They can be attached to a shaft by fastening a ball retaining screw.
![2.188 Inch | 55.575 Millimeter x 3.14 Inch | 79.756 Millimeter x 2.5 Inch | 63.5 Millimeter QM INDUSTRIES QVP12V203SM Pillow Block Bearings](https://m.tinneylawfirm.com/uploaded_images/d61590-2-188-inch-55-575-millimeter-x-3-14-inch-79-756-millimeter-x-2-5-inch-63-5-millimeter-qm-industries-qvp12v203sm-pillow-block-bearings.jpg)
![4 Inch | 101.6 Millimeter x 5.92 Inch | 150.368 Millimeter x 5 Inch | 127 Millimeter QM INDUSTRIES QAAPX20A400SEM Pillow Block Bearings](https://m.tinneylawfirm.com/uploaded_images/d61587-4-inch-101-6-millimeter-x-5-92-inch-150-368-millimeter-x-5-inch-127-millimeter-qm-industries-qaapx20a400sem-pillow-block-bearings.jpg)
![3.938 Inch | 100.025 Millimeter x 5.92 Inch | 150.368 Millimeter x 5 Inch | 127 Millimeter QM INDUSTRIES QAAPX20A312SEB Pillow Block Bearings](https://m.tinneylawfirm.com/uploaded_images/d61656-3-938-inch-100-025-millimeter-x-5-92-inch-150-368-millimeter-x-5-inch-127-millimeter-qm-industries-qaapx20a312seb-pillow-block-bearings.jpg)
![4 Inch | 101.6 Millimeter x 4.13 Inch | 104.902 Millimeter x 4.921 Inch | 125 Millimeter QM INDUSTRIES QVPN22V400SEC Pillow Block Bearings](https://m.tinneylawfirm.com/uploaded_images/d61588-4-inch-101-6-millimeter-x-4-13-inch-104-902-millimeter-x-4-921-inch-125-millimeter-qm-industries-qvpn22v400sec-pillow-block-bearings.jpg)
![3.937 Inch | 100 Millimeter x 4.13 Inch | 104.902 Millimeter x 4.921 Inch | 125 Millimeter QM INDUSTRIES QVPN22V100SC Pillow Block Bearings](https://m.tinneylawfirm.com/uploaded_images/d61588-3-937-inch-100-millimeter-x-4-13-inch-104-902-millimeter-x-4-921-inch-125-millimeter-qm-industries-qvpn22v100sc-pillow-block-bearings.jpg)
![3.5 Inch | 88.9 Millimeter x 3.75 Inch | 95.25 Millimeter x 4.409 Inch | 112 Millimeter QM INDUSTRIES QVPN20V308SC Pillow Block Bearings](https://m.tinneylawfirm.com/uploaded_images/d61587-3-5-inch-88-9-millimeter-x-3-75-inch-95-25-millimeter-x-4-409-inch-112-millimeter-qm-industries-qvpn20v308sc-pillow-block-bearings.jpg)