Pillow Block Bearings

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A pillow block, also known as a plummer block or housed bearing unit, is a pedestal used to provide support for a rotating shaft with the help of compatible bearings & various accessories. Housing material for a pillow block is typically made of cast iron or cast steel.. Selection. A pillow block usually refers to a housing with an included anti-friction bearing.

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. Pillow block bearings vary by the type of rolling element which might include ball bearings, roller bearings (which consist of cylinders between in the inner and outer rings of the bearing), tapered rollers, needle rollers; or metallic or synthetic bushing.

Bearing Number	Bore Dia	Outer DIa	Width	Size
4 Inch \| 101.6 Millimeter x 4.567 Inch \| 116 Millimeter x 4.921 Inch \| 125 Millimeter QM INDUSTRIES QMSN20J400SEC Pillow Block Bearings	Intermediate Duty	Eccentric Collar Ball Bearing	210 Series	Cast Iron
3.938 Inch \| 100.025 Millimeter x 4.13 Inch \| 104.902 Millimeter x 4.25 Inch \| 107.95 Millimeter QM INDUSTRIES DVPF22K315ST Pillow Block Bearings	Intermediate Duty	Setscrew Ball Bearing	206 Series	Zinc
3.688 Inch \| 93.675 Millimeter x 4.567 Inch \| 116 Millimeter x 4.921 Inch \| 125 Millimeter QM INDUSTRIES QMSN20J311SEB Pillow Block Bearings	Normal Duty	Setscrew Ball Bearing	203 Series	Zinc
3.75 Inch \| 95.25 Millimeter x 4.59 Inch \| 116.586 Millimeter x 5 Inch \| 127 Millimeter QM INDUSTRIES QMPX20J312SN Pillow Block Bearings	Normal Duty	Setscrew Ball Bearing	204 Series	Cast Iron
3.938 Inch \| 100.025 Millimeter x 4.13 Inch \| 104.902 Millimeter x 4.25 Inch \| 107.95 Millimeter QM INDUSTRIES DVPF22K315SN Pillow Block Bearings	15.000 mm	35.0000 mm	11.00 mm	0.64 mm
3.688 Inch \| 93.675 Millimeter x 4.59 Inch \| 116.586 Millimeter x 5 Inch \| 127 Millimeter QM INDUSTRIES QMPX20J311ST Pillow Block Bearings	105.000 mm	225.0000 mm	49.00 mm	2.50 mm
3.438 Inch \| 87.325 Millimeter x 4.03 Inch \| 102.362 Millimeter x 4 Inch \| 101.6 Millimeter QM INDUSTRIES QMPX18J307ST Pillow Block Bearings	Normal Duty	Setscrew Ball Bearing	211 Series	Cast Iron
3.938 Inch \| 100.025 Millimeter x 4.13 Inch \| 104.902 Millimeter x 4.25 Inch \| 107.95 Millimeter QM INDUSTRIES DVPF22K315SEB Pillow Block Bearings	Normal Duty	Eccentric Collar Ball Bearing	205 Series	Zinc
3.438 Inch \| 87.325 Millimeter x 4.03 Inch \| 102.362 Millimeter x 4 Inch \| 101.6 Millimeter QM INDUSTRIES QMPX18J307SEN Pillow Block Bearings	Intermediate Duty	Setscrew Ball Bearing	210 Series	Cast Iron
3 Inch \| 76.2 Millimeter x 3.23 Inch \| 82.042 Millimeter x 3.25 Inch \| 82.55 Millimeter QM INDUSTRIES DVPF17K300ST Pillow Block Bearings	Intermediate Duty	Setscrew Ball Bearing	206 Series	Cast Iron
3.937 Inch \| 100 Millimeter x 4.13 Inch \| 104.902 Millimeter x 4.252 Inch \| 108 Millimeter QM INDUSTRIES DVPF22K100SEC Pillow Block Bearings	Intermediate Duty	Setscrew Ball Bearing	207 Series	Zinc
3.5 Inch \| 88.9 Millimeter x 4.03 Inch \| 102.362 Millimeter x 4 Inch \| 101.6 Millimeter QM INDUSTRIES QMPX18J308ST Pillow Block Bearings	Intermediate Duty	Eccentric Collar Ball Bearing	203 Series	Zinc