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Plastic Pillow Block Bearings
Plastic pillow block bearings are designed to replace cast and stainless steel pillow block bearings in applications that are extremely abrasive or are required to conform to USDA and FDA requirements. Our high-quality plastic pillow block bearings are manufactured from premium virgin UHMW and have a molecular weight of at least 4.2 million for extended wear life and performance. Standard bore sizes range from 1/2" up to 3" inside diameter; these bearings are manufactured to standard bearing dimensions (bolt holes, hole spacing, base height, etc.) so they can directly interchange with common brands, eliminating equipment adjustments and modifications. The standard operating temperature for these bearings is 200°F; however, for high-temp applications, we also produce these bearings in an acetal material capable of operating up to 600°F. Additionally, UHMW plastic pillow block bearings are self-lubricating due to the properties of the plastic material. For information on new applications, refer to our plastic bearing insert page and scroll down to the required data. For pricing and availability or additional information, contact our customer support team, and we will be happy to assist you!
Plastic Pillow Block Bearing Sizes
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Bearing Part #
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Bore Sizes
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Bolt Size
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Total Length (A)
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Body Length (B)
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Base Height (C)
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Total Height (D)
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Total Width (E)
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Bolt Center Range (F)
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Backing Height (H)
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Max Speed (RPM)
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Max Radial Load (LBS)
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| PB-12 | 1/2" | 3/8" | 4-3/4" | 2-1/2" | 5/8" | 2-3/16" | 1" | 2-7/8" - 3-7/8" | 1-1/16" | 380 | 600 |
| PB-916 | 9/16" | 3/8" | 4-3/4" | 2-1/2" | 5/8" | 2-3/16" | 1" | 2-7/8" - 3-7/8" | 1-1/16" | 330 | 665 |
| PB-58 | 5/8" | 3/8" | 4-3/4" | 2-1/2" | 5/8" | 2-3/16" | 1" | 2-7/8" - 3-7/8" | 1-1/16" | 300 | 750 |
| PB-1116 | 11/16" | 3/8" | 4-3/4" | 2-1/2" | 5/8" | 2-3/16" | 1" | 2-7/8" - 3-7/8" | 1-1/16" | 270 | 815 |
| PB-34 | 3/4" | 3/8" | 5-1/4" | 2-3/4" | 5/8" | 2-1/2" | 1" | 3-1/4" - 4-1/4" | 1-1/4" | 250 | 900 |
| PB-1316 | 13/16" | 3/8" | 5-1/2" | 3" | 3/4" | 2-3/4" | 1" | 3-1/2" - 4-1/2" | 1-5/16" | 230 | 965 |
| PB-78 | 7/8" | 3/8" | 5-1/2" | 3" | 3/4" | 2-3/4" | 1" | 3-1/2" - 4-1/2" | 1-5/16" | 210 | 1050 |
| PB-1516 | 15/16" | 3/8" | 5-1/2" | 3" | 3/4" | 2-3/4" | 1" | 3-1/2" - 4-1/2" | 1-5/16" | 200 | 1115 |
| PB-1 | 1" | 3/8" | 5-1/2" | 3" | 3/4" | 2-3/4" | 1" | 3-1/2" - 4-1/2" | 1-5/16" | 190 | 1200 |
| PB-1-116 | 1-1/16" | 1/2" | 6-1/4" | 3-1/2" | 7/8" | 3-1/4" | 1-1/2" | 4-1/4" - 5-1/4" | 1-9/16" | 175 | 1265 |
| PB-1-18 | 1-1/8" | 1/2" | 6-1/4" | 3-1/2" | 7/8" | 3-1/4" | 1-1/2" | 4-1/4" - 5-1/4" | 1-9/16" | 165 | 1350 |
| PB-1-316 | 1-3/16" | 1/2" | 6-1/4" | 3-1/2" | 7/8" | 3-1/4" | 1-1/2" | 4-1/4" - 5-1/4" | 1-9/16" | 160 | 1450 |
| PB-1-14 | 1-1/4" | 1/2" | 6-1/2" | 3-3/4" | 7/8" | 3-5/8" | 1-1/2" | 4-1/2" - 5-1/2" | 1-13/16" | 150 | 1748 |
| PB-1-516 | 1-5/16" | 1/2" | 6-1/2" | 3-3/4" | 7/8" | 3-5/8" | 1-1/2" | 4-1/2" - 5-1/2" | 1-13/16" | 140 | 1830 |
| PB-1-38 | 1-3/8" | 1/2" | 6-1/2" | 3-3/4" | 7/8" | 3-5/8" | 1-1/2" | 4-1/2" - 5-1/2" | 1-13/16" | 135 | 1916 |
| PB-1-716 | 1-7/16" | 1/2" | 6-1/2" | 3-3/4" | 7/8" | 3-5/8" | 1-1/2" | 4-1/2" - 5-1/2" | 1-13/16" | 130 | 2000 |
| PB-1-12 | 1-1/2" | 1/2" | 7" | 4-1/8" | 7/8" | 4" | 1-1/2" | 4-7/8" - 5-7/8" | 1-15/16" | 120 | 2100 |
| PB-1-916 | 1-9/16" | 1/2" | 7" | 4-1/8" | 7/8" | 4" | 1-1/2" | 4-7/8" - 5-7/8" | 1-15/16" | 120 | 2183 |
| PB-1-58 | 1-5/8" | 1/2" | 7-1/2" | 4-1/2" | 7/8" | 4-1/4" | 1-1/2" | 5-1/4" - 6-1/4" | 2-1/16" | 110 | 2600 |
| PB-1-1116 | 1-11/16" | 1/2" | 7-1/2" | 4-1/2" | 7/8" | 4-1/4" | 1-1/2" | 5-1/4" - 6-1/4" | 2-1/16" | 110 | 2700 |
| PB-1-34 | 1-3/4" | 1/2" | 7-1/2" | 4-1/2" | 7/8" | 4-1/4" | 1-1/2" | 5-1/4" - 6-1/4" | 2-1/16" | 100 | 2800 |
| PB-1-78 | 1-7/8" | 5/8" | 8" | 4-3/4" | 7/8" | 4-1/2" | 2" | 5-3/4" - 6-3/4" | 2-3/16" | 100 | 3000 |
| PB-1-1516 | 1-15/16" | 5/8" | 8" | 4-3/4" | 7/8" | 4-1/2" | 2" | 5-3/4" - 6-3/4" | 2-3/16" | 95 | 3100 |
| PB-2 | 2" | 5/8" | 8-3/4" | 5-1/8" | 1" | 5" | 2" | 6-1/8" - 7-3/8" | 2-7/16" | 95 | 3200 |
| PB-2-18 | 2-1/8" | 5/8" | 8-3/4" | 5-1/8" | 1" | 5" | 2" | 6-1/8" - 7-3/8" | 2-7/16" | 85 | 3400 |
| PB-2-316 | 2-3/16" | 5/8" | 8-3/4" | 5-1/8" | 1" | 5" | 2" | 6-1/8" - 7-3/8" | 2-7/16" | 85 | 3500 |
| PB-2-14 | 2-1/4" | 5/8" | 9-1/2" | 5-7/8" | 1" | 5-1/4" | 2-1/2" | 6-7/8" - 8-1/8" | 2-11/16" | 80 | 4500 |
| PB-2-38 | 2-3/8" | 5/8" | 9-1/2" | 5-7/8" | 1" | 5-1/4" | 2-1/2" | 6-7/8" - 8-1/8" | 2-11/16" | 80 | 4750 |
| PB-2-716 | 2-7/16" | 5/8" | 9-1/2" | 5-7/8" | 1" | 5-1/4" | 2-1/2" | 6-7/8" - 8-1/8" | 2-11/16" | 75 | 4866 |
Frequently Asked Questions
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All our products are subject to quality control.
Our warranty provides a guarantee against manufacturer defects.
The guarantee covers any manufacturing, design, or material defect. Please notify us within 2 months of noticing any defects.
It does not cover blows, improper use, or other issues that are not attributable to a manufacturer defects. -
Yes, we offer full and partial refunds.
Please enquire for more information about our Refund policy. -
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