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.
![4 Inch | 101.6 Millimeter x 4.61 Inch | 117.094 Millimeter x 4.921 Inch | 125 Millimeter QM INDUSTRIES QASN20A400SEC Pillow Block Bearings](https://m.tinneylawfirm.com/uploaded_images/d61584-4-inch-101-6-millimeter-x-4-61-inch-117-094-millimeter-x-4-921-inch-125-millimeter-qm-industries-qasn20a400sec-pillow-block-bearings.jpg)
![2.756 Inch | 70 Millimeter x 4.18 Inch | 106.172 Millimeter x 3.74 Inch | 95 Millimeter QM INDUSTRIES QVVPG17V070SM Pillow Block Bearings](https://m.tinneylawfirm.com/uploaded_images/d61584-2-756-inch-70-millimeter-x-4-18-inch-106-172-millimeter-x-3-74-inch-95-millimeter-qm-industries-qvvpg17v070sm-pillow-block-bearings.jpg)
![3.188 Inch | 80.975 Millimeter x 4.63 Inch | 117.602 Millimeter x 4.409 Inch | 112 Millimeter QM INDUSTRIES QVVPG20V303SM Pillow Block Bearings](https://m.tinneylawfirm.com/uploaded_images/d61589-3-188-inch-80-975-millimeter-x-4-63-inch-117-602-millimeter-x-4-409-inch-112-millimeter-qm-industries-qvvpg20v303sm-pillow-block-bearings.jpg)
![2.5 Inch | 63.5 Millimeter x 3.25 Inch | 82.55 Millimeter x 3.5 Inch | 88.9 Millimeter QM INDUSTRIES QVPK15V208SEM Pillow Block Bearings](https://m.tinneylawfirm.com/uploaded_images/d61587-2-5-inch-63-5-millimeter-x-3-25-inch-82-55-millimeter-x-3-5-inch-88-9-millimeter-qm-industries-qvpk15v208sem-pillow-block-bearings.jpg)
![3.75 Inch | 95.25 Millimeter x 4.61 Inch | 117.094 Millimeter x 4.921 Inch | 125 Millimeter QM INDUSTRIES QASN20A312SEC Pillow Block Bearings](https://m.tinneylawfirm.com/uploaded_images/d61586-3-75-inch-95-25-millimeter-x-4-61-inch-117-094-millimeter-x-4-921-inch-125-millimeter-qm-industries-qasn20a312sec-pillow-block-bearings.jpg)
![2.688 Inch | 68.275 Millimeter x 4.18 Inch | 106.172 Millimeter x 3.75 Inch | 95.25 Millimeter QM INDUSTRIES QVVPG17V211SM Pillow Block Bearings](https://m.tinneylawfirm.com/uploaded_images/d61591-2-688-inch-68-275-millimeter-x-4-18-inch-106-172-millimeter-x-3-75-inch-95-25-millimeter-qm-industries-qvvpg17v211sm-pillow-block-bearings.jpg)
![4.5 Inch | 114.3 Millimeter x 5.82 Inch | 147.828 Millimeter x 6 Inch | 152.4 Millimeter QM INDUSTRIES QVPH26V408SEM Pillow Block Bearings](https://m.tinneylawfirm.com/uploaded_images/d61588-4-5-inch-114-3-millimeter-x-5-82-inch-147-828-millimeter-x-6-inch-152-4-millimeter-qm-industries-qvph26v408sem-pillow-block-bearings.jpg)
![2.953 Inch | 75 Millimeter x 3.268 Inch | 83 Millimeter x 3.74 Inch | 95 Millimeter QM INDUSTRIES QVSN16V075SB Pillow Block Bearings](https://m.tinneylawfirm.com/uploaded_images/d61589-2-953-inch-75-millimeter-x-3-268-inch-83-millimeter-x-3-74-inch-95-millimeter-qm-industries-qvsn16v075sb-pillow-block-bearings.jpg)