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
3.15 Inch \| 80 Millimeter x 4.03 Inch \| 102.362 Millimeter x 3.74 Inch \| 95 Millimeter QM INDUSTRIES QAPR18A080ST Pillow Block Bearings	DD (Contact Rubber S	6004	Double	Flanged Pilot Type
2.953 Inch \| 75 Millimeter x 4.74 Inch \| 120.396 Millimeter x 3.252 Inch \| 82.6 Millimeter QM INDUSTRIES QAAPL15A075SEO Pillow Block Bearings	Deep Groove Ball Bea	Bearings with Housin	6901	Double
3.937 Inch \| 100 Millimeter x 4.606 Inch \| 117 Millimeter x 4.921 Inch \| 125 Millimeter QM INDUSTRIES QASN20A100SEM Pillow Block Bearings	No	1045 Carbon Steel	6704	Bearings with Housin
3.5 Inch \| 88.9 Millimeter x 4.03 Inch \| 102.362 Millimeter x 3.75 Inch \| 95.25 Millimeter QM INDUSTRIES QAPF18A308SEO Pillow Block Bearings	22.36 kN	100 °C	80	80 mm
3.438 Inch \| 87.325 Millimeter x 4.02 Inch \| 102.108 Millimeter x 4.409 Inch \| 112 Millimeter QM INDUSTRIES QASN18A307SEN Pillow Block Bearings	No	Available	6804	DD (Contact Rubber S
3.15 Inch \| 80 Millimeter x 4.03 Inch \| 102.362 Millimeter x 3.74 Inch \| 95 Millimeter QM INDUSTRIES QAPR18A080SB Pillow Block Bearings	10	No	Not Provided	Bearings with Housin
2.75 Inch \| 69.85 Millimeter x 3.62 Inch \| 91.948 Millimeter x 3.125 Inch \| 79.38 Millimeter QM INDUSTRIES QAPR15A212SEM Pillow Block Bearings	Single	6903	Deep Groove Ball Bea	Bearings with Housin
3.438 Inch \| 87.325 Millimeter x 4.02 Inch \| 102.108 Millimeter x 4.409 Inch \| 112 Millimeter QM INDUSTRIES QASN18A307SEM Pillow Block Bearings	-40 °C	PE205-	14.5 mm	21.4 mm
2.362 Inch \| 60 Millimeter x 3.39 Inch \| 86.106 Millimeter x 2.756 Inch \| 70 Millimeter QM INDUSTRIES QAPR13A060SET Pillow Block Bearings	15	Yes (with retaining	Bearings with Housin	Available
2.559 Inch \| 65 Millimeter x 4.3 Inch \| 109.22 Millimeter x 2.756 Inch \| 70 Millimeter QM INDUSTRIES QAAPL13A065SO Pillow Block Bearings	14.5	NTN	0.27 kN	47 mm
4 Inch \| 101.6 Millimeter x 5.118 Inch \| 130 Millimeter x 4.921 Inch \| 125 Millimeter QM INDUSTRIES QVVSN22V400SEB Pillow Block Bearings	44.45 mm	71.3 mm	18.4 mm	200 °C
4 Inch \| 101.6 Millimeter x 5.94 Inch \| 150.876 Millimeter x 4.25 Inch \| 107.95 Millimeter QM INDUSTRIES QAAPL20A400SO Pillow Block Bearings	15	1045 Carbon Steel	Key Groove Type	[Steel] Steel