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. Mounting holes or slots in the base or feet of pillow block bearings permit adjustment and easy mounting.
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. 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.
![3.346 Inch | 85 Millimeter x 3.75 Inch | 95.25 Millimeter x 4.409 Inch | 112 Millimeter QM INDUSTRIES QVPG20V085SM Pillow Block Bearings](https://m.textpatternsolutions.com/uploaded_images/d61591-3-346-inch-85-millimeter-x-3-75-inch-95-25-millimeter-x-4-409-inch-112-millimeter-qm-industries-qvpg20v085sm-pillow-block-bearings.jpg)
![4 Inch | 101.6 Millimeter x 4.13 Inch | 104.902 Millimeter x 5.75 Inch | 146.05 Millimeter QM INDUSTRIES TAPK22K400SB Pillow Block Bearings](https://m.textpatternsolutions.com/uploaded_images/d61586-4-inch-101-6-millimeter-x-4-13-inch-104-902-millimeter-x-5-75-inch-146-05-millimeter-qm-industries-tapk22k400sb-pillow-block-bearings.jpg)
![3.25 Inch | 82.55 Millimeter x 5.197 Inch | 132 Millimeter x 3.938 Inch | 100.025 Millimeter QM INDUSTRIES QAASN18A304SEM Pillow Block Bearings](https://m.textpatternsolutions.com/uploaded_images/d61587-3-25-inch-82-55-millimeter-x-5-197-inch-132-millimeter-x-3-938-inch-100-025-millimeter-qm-industries-qaasn18a304sem-pillow-block-bearings.jpg)
![3.5 Inch | 88.9 Millimeter x 3.69 Inch | 93.726 Millimeter x 3.75 Inch | 95.25 Millimeter QM INDUSTRIES QVPR19V308SEM Pillow Block Bearings](https://m.textpatternsolutions.com/uploaded_images/d61656-3-5-inch-88-9-millimeter-x-3-69-inch-93-726-millimeter-x-3-75-inch-95-25-millimeter-qm-industries-qvpr19v308sem-pillow-block-bearings.jpg)
![2.688 Inch | 68.275 Millimeter x 3.62 Inch | 91.948 Millimeter x 3.25 Inch | 82.55 Millimeter QM INDUSTRIES QAPL15A211SB Pillow Block Bearings](https://m.textpatternsolutions.com/uploaded_images/d61591-2-688-inch-68-275-millimeter-x-3-62-inch-91-948-millimeter-x-3-25-inch-82-55-millimeter-qm-industries-qapl15a211sb-pillow-block-bearings.jpg)
![3.188 Inch | 80.975 Millimeter x 5.197 Inch | 132 Millimeter x 3.938 Inch | 100.025 Millimeter QM INDUSTRIES QAASN18A303SEO Pillow Block Bearings](https://m.textpatternsolutions.com/uploaded_images/d61588-3-188-inch-80-975-millimeter-x-5-197-inch-132-millimeter-x-3-938-inch-100-025-millimeter-qm-industries-qaasn18a303seo-pillow-block-bearings.jpg)
![2.362 Inch | 60 Millimeter x 3.19 Inch | 81.026 Millimeter x 2.756 Inch | 70 Millimeter QM INDUSTRIES QVPR14V060SEM Pillow Block Bearings](https://m.textpatternsolutions.com/uploaded_images/d61585-2-362-inch-60-millimeter-x-3-19-inch-81-026-millimeter-x-2-756-inch-70-millimeter-qm-industries-qvpr14v060sem-pillow-block-bearings.jpg)