Pillow Block Bearings

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    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 are constructed of a housing and a bearing. Many pillow blocks have a replaceable bearing, referred to as an insert bearing. Bearings used with pillow block housings usually are self- aligning to compensate for angular misalignments. 

    Adjustment of a misaligned shaft can occur in any direction and allows centering and alignment without distorting seals. Pillow block bearing units include a hollow set screw for easy and firm attachment on a shaft and a one-piece housing for structural strength.

Bearing Number Bore Dia Outer DIa Width Size
3.188 Inch | 80.975 Millimeter x 4.03 Inch | 102.362 Millimeter x 3.75 Inch | 95.25 Millimeter QM INDUSTRIES QAPR18A303SO Pillow Block Bearings Open Type Single Row Punching Flat
3.188 Inch | 80.975 Millimeter x 4.03 Inch | 102.362 Millimeter x 3.75 Inch | 95.25 Millimeter QM INDUSTRIES QAPR18A303SN Pillow Block Bearings Pillow Type J7 Steel plate cover mo No Cover
2.938 Inch | 74.625 Millimeter x 4.74 Inch | 120.396 Millimeter x 3.25 Inch | 82.55 Millimeter QM INDUSTRIES QAAPF15A215SEO Pillow Block Bearings 2.84 kg 100 °C M6x1 -20 °C
3.5 Inch | 88.9 Millimeter x 5.18 Inch | 131.572 Millimeter x 3.75 Inch | 95.25 Millimeter QM INDUSTRIES QAAPF18A308SEO Pillow Block Bearings No 35 ~ 50 Electroless Nickel P Bearings with Housin
3.188 Inch | 80.975 Millimeter x 4.03 Inch | 102.362 Millimeter x 3.75 Inch | 95.25 Millimeter QM INDUSTRIES QAPR18A303SEC Pillow Block Bearings SH33M Bearing Steel No 9 Days or more
3.688 Inch | 93.675 Millimeter x 4.61 Inch | 117.094 Millimeter x 4.921 Inch | 125 Millimeter QM INDUSTRIES QASN20A311SO Pillow Block Bearings Deep Groove Ball Bea 304 Stainless Steel Available 6
3.75 Inch | 95.25 Millimeter x 4.61 Inch | 117.094 Millimeter x 4.921 Inch | 125 Millimeter QM INDUSTRIES QASN20A312SB Pillow Block Bearings SCOE204-20 33.3 mm 20 mm 0.71 kg
4.938 Inch | 125.425 Millimeter x 7.44 Inch | 188.976 Millimeter x 5.5 Inch | 139.7 Millimeter QM INDUSTRIES QAAPF26A415SO Pillow Block Bearings -20 °C 116 mm 14 mm 60 mm
3.346 Inch | 85 Millimeter x 4.03 Inch | 102.362 Millimeter x 3.74 Inch | 95 Millimeter QM INDUSTRIES QAPR18A085SN Pillow Block Bearings 15 kN 29 mm 1.85 11 mm
3.937 Inch | 100 Millimeter x 4.606 Inch | 117 Millimeter x 4.921 Inch | 125 Millimeter QM INDUSTRIES QASN20A100ST Pillow Block Bearings Radial 240 With Outer Ring Punching
4.438 Inch | 112.725 Millimeter x 6.25 Inch | 158.75 Millimeter x 4.75 Inch | 120.65 Millimeter QM INDUSTRIES QAAPF22A407SO Pillow Block Bearings Bearing Steel No 34100 No
3.937 Inch | 100 Millimeter x 4.606 Inch | 117 Millimeter x 4.921 Inch | 125 Millimeter QM INDUSTRIES QASN20A100SO Pillow Block Bearings Not Provided 15 62 20 ~ 40
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