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
3.543 Inch \| 90 Millimeter x 4.016 Inch \| 102 Millimeter x 4.409 Inch \| 112 Millimeter QM INDUSTRIES QASN18A090SN Pillow Block Bearings	81900	6	J7	No
2.559 Inch \| 65 Millimeter x 3.39 Inch \| 86.106 Millimeter x 2.756 Inch \| 70 Millimeter QM INDUSTRIES QAP13A065SO Pillow Block Bearings	4 mm	7.5 Hz	547 kN	51.9 kN
2.362 Inch \| 60 Millimeter x 3.39 Inch \| 86.106 Millimeter x 2.756 Inch \| 70 Millimeter QM INDUSTRIES QAPL13A060SO Pillow Block Bearings	30 mm	25MM Bore; 52MM Outs	0.591 Inch \| 15 Mill	N/A
5.512 Inch \| 140 Millimeter x 7.56 Inch \| 192.024 Millimeter x 6.688 Inch \| 169.875 Millimeter QM INDUSTRIES QMPF30J140SM Pillow Block Bearings	C207-	-20 °C	17.5 mm	15.2 kN
2.5 Inch \| 63.5 Millimeter x 3.39 Inch \| 86.106 Millimeter x 2.75 Inch \| 69.85 Millimeter QM INDUSTRIES QAP13A208SO Pillow Block Bearings	Compact Type	Bearings with Housin	Yes (with retaining	Flanged Pilot Type
2.362 Inch \| 60 Millimeter x 3.39 Inch \| 86.106 Millimeter x 2.756 Inch \| 70 Millimeter QM INDUSTRIES QAPL13A060SN Pillow Block Bearings	Metric System	Punching	No	Standard
2.362 Inch \| 60 Millimeter x 3.39 Inch \| 86.106 Millimeter x 2.756 Inch \| 70 Millimeter QM INDUSTRIES QAPL13A060SEN Pillow Block Bearings	7.88 kN	14 kN	0.81 kg	19 mm
5.5 Inch \| 139.7 Millimeter x 7.56 Inch \| 192.024 Millimeter x 6.688 Inch \| 169.875 Millimeter QM INDUSTRIES QMPF30J508SM Pillow Block Bearings	95 mm	US209G2	137 mm	11.5 Nm
5.438 Inch \| 138.125 Millimeter x 7.56 Inch \| 192.024 Millimeter x 6.688 Inch \| 169.875 Millimeter QM INDUSTRIES QMPF30J507SM Pillow Block Bearings	With Outer Ring	No	Steel	No
2.362 Inch \| 60 Millimeter x 3.39 Inch \| 86.106 Millimeter x 2.756 Inch \| 70 Millimeter QM INDUSTRIES QAPL13A060SEC Pillow Block Bearings	1045 Carbon Steel	Bearings with Housin	Flange Type	Double
4.5 Inch \| 114.3 Millimeter x 5.53 Inch \| 140.462 Millimeter x 4.75 Inch \| 120.65 Millimeter QM INDUSTRIES QMPF22J408SM Pillow Block Bearings	12	Bearings with Housin	[Aluminum Alloy] 201	Flange Type
2.165 Inch \| 55 Millimeter x 3.125 Inch \| 79.38 Millimeter x 2.5 Inch \| 63.5 Millimeter QM INDUSTRIES QAPL11A055SET Pillow Block Bearings	M10	82 mm	44.1 mm	98 mm