Pillow Block Roller Bearing Units

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The convenient split-housing design simplifies assembly and service.  Each pillow block contains an advanced-design spherical roller bearing with improved geometry and raceway finish for maximum load capacity and service life.  Timken manufactures pillow blocks in two main styles:  SAF and SDAF. The larger SDAF block is suggested for extreme heavy duty applications.

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. pillow blocks combine rugged cast-iron or cast-steel housings with high capacity spherical roller bearings to meet the toughest demands of heavy industry. 

Bearing Number Bore Dia Outer DIa Width Size
4 Inch | 101.6 Millimeter x 5.25 Inch | 133.35 Millimeter x 5 Inch | 127 Millimeter Sealmaster EDPBA 400-4 Pillow Block Roller Bearing Units 0.077 kg 38 mm 0.6 mm 20 mm
4 Inch | 101.6 Millimeter x 5.25 Inch | 133.35 Millimeter x 4.25 Inch | 107.95 Millimeter Sealmaster RPBA 400-C4 Pillow Block Roller Bearing Units 23.00 mm 5300 rpm 40500 N Seal & Snap-Ring
1.688 Inch | 42.875 Millimeter x 2.844 Inch | 72.238 Millimeter x 2.125 Inch | 53.98 Millimeter Sealmaster RPBA 111-C2 Pillow Block Roller Bearing Units 58 mm KMFE 8 M 40x1.5 35 mm
1.188 Inch | 30.175 Millimeter x 2.375 Inch | 60.325 Millimeter x 1.5 Inch | 38.1 Millimeter Sealmaster RPBA 103-C2 Pillow Block Roller Bearing Units 4 mm 315 kN 0.4 190 mm
5 Inch | 127 Millimeter x 6.203 Inch | 157.556 Millimeter x 5.5 Inch | 139.7 Millimeter Sealmaster RPBA 500-4 Pillow Block Roller Bearing Units 1/8 NPT 4.763 mm 36 kN 3/8 NPT
4.438 Inch | 112.725 Millimeter x 5.5 Inch | 139.7 Millimeter x 4.75 Inch | 120.65 Millimeter Sealmaster RPBA 407-4 Pillow Block Roller Bearing Units 5 152.4 mm 68 kg 149.225 mm
4.5 Inch | 114.3 Millimeter x 5.5 Inch | 139.7 Millimeter x 4.75 Inch | 120.65 Millimeter Sealmaster RPBA 408-4 Pillow Block Roller Bearing Units 50 mm 685 mm MS 31/630 TMFN 600-750
1.188 Inch | 30.175 Millimeter x 2.375 Inch | 60.325 Millimeter x 1.5 Inch | 38.1 Millimeter Sealmaster RPBA 103-2 Pillow Block Roller Bearing Units 22215 EK TER 38 1/8 NPT 1250 r/min
1.25 Inch | 31.75 Millimeter x 2.375 Inch | 60.325 Millimeter x 1.5 Inch | 38.1 Millimeter Sealmaster RPBA 104-2 Pillow Block Roller Bearing Units 5 mm 820 mm 943 mm 4 mm
1.25 Inch | 31.75 Millimeter x 2.375 Inch | 60.325 Millimeter x 1.5 Inch | 38.1 Millimeter Sealmaster RPBA 104-C2 Pillow Block Roller Bearing Units 45 mm 0.25 m/s 10 N/mm² 20 N/mm²
3.438 Inch | 87.325 Millimeter x 4.19 Inch | 106.426 Millimeter x 3.75 Inch | 95.25 Millimeter Sealmaster RPBA 307-2 Pillow Block Roller Bearing Units 5.00 mm 930 N 1820 N 20000 rpm
2.438 Inch | 61.925 Millimeter x 3.31 Inch | 84.074 Millimeter x 2.75 Inch | 69.85 Millimeter Sealmaster RPBA 207-4 Pillow Block Roller Bearing Units 405000 N 1400 rpm 302000 N 1700 rpm
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