Pillow Block Bearings

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Pillow block bearings, flange bearing units, bearing blocks, and take-up bearings units all consist of a housing with a bearing mounted in it. They are available in a variety of materials, mounting configurations and various bearing features. Each mounted unit, including a mounted bearing, acts as a system to position the bearing securely for reliable operation. Read more about each type of pillow block bearing using the links below.

While other configurations are available from  Bearings upon special order, the most common flanged mounted block bearing units are either two-bolt or four-bolt designs. Small two-bolt designs are commonly called flangettes but are of a totally different construction and design to the heavier duty Two-bolt flange series. 

Bearing Number Bore Dia Outer DIa Width Size
3.438 Inch | 87.325 Millimeter x 4.375 Inch | 111.13 Millimeter x 3.75 Inch | 95.25 Millimeter REXNORD KAS2307F Pillow Block Bearings 49.8 kN 279.4 mm 3/8 NPT 138 kN
2 Inch | 50.8 Millimeter x 3.125 Inch | 79.38 Millimeter x 2.25 Inch | 57.15 Millimeter REXNORD KAS2200F Pillow Block Bearings 174.625 mm 2 342.9 mm 180 mm
1.938 Inch | 49.225 Millimeter x 3.125 Inch | 79.38 Millimeter x 2.25 Inch | 57.15 Millimeter REXNORD KAS2115F Pillow Block Bearings 0.22 kN 10.9 mm 12 mm 32.1 mm
1.438 Inch | 36.525 Millimeter x 2.875 Inch | 73.02 Millimeter x 1.875 Inch | 47.63 Millimeter REXNORD KAS2107 Pillow Block Bearings 9.00 mm 20.000 mm 17000 rpm 9360 N
3.438 Inch | 87.325 Millimeter x 5.141 Inch | 130.581 Millimeter x 3.75 Inch | 95.25 Millimeter REXNORD KA6307F Pillow Block Bearings 98.8 mm 69.9 mm 0.59 kg ZMaRC
1.938 Inch | 49.225 Millimeter x 3.125 Inch | 79.38 Millimeter x 2.25 Inch | 57.15 Millimeter REXNORD KA2115F Pillow Block Bearings 216100 N 1.00 mm 2600 rpm 38.00 mm
1.75 Inch | 44.45 Millimeter x 3.125 Inch | 79.38 Millimeter x 2.125 Inch | 53.98 Millimeter REXNORD KA2112 Pillow Block Bearings 65 mm 29 mm 25 mm 35.5 mm
1.938 Inch | 49.225 Millimeter x 3.125 Inch | 79.38 Millimeter x 2.25 Inch | 57.15 Millimeter REXNORD KA211572 Pillow Block Bearings 3800 rpm 3800 rpm One Shield 60.000 mm
3 Inch | 76.2 Millimeter x 4 Inch | 101.6 Millimeter x 3.25 Inch | 82.55 Millimeter REXNORD KA2300 Pillow Block Bearings 1410 kN 90 mm 340 mm 1 150 min-1
1.688 Inch | 42.875 Millimeter x 3.125 Inch | 79.38 Millimeter x 2.125 Inch | 53.98 Millimeter REXNORD KA2111 Pillow Block Bearings 1320 kN 316 kN 1.9 17600 kN
2.438 Inch | 61.925 Millimeter x 3.656 Inch | 92.862 Millimeter x 2.75 Inch | 69.85 Millimeter REXNORD KA3207 Pillow Block Bearings 17000 rpm 28.0000 mm 2360 N 32000 rpm
2.438 Inch | 61.925 Millimeter x 3.656 Inch | 92.862 Millimeter x 2.75 Inch | 69.85 Millimeter REXNORD KA320772 Pillow Block Bearings 10000 rpm 34500 N 0.60 mm 25500 N
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