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
2.938 Inch \| 74.625 Millimeter x 3.594 Inch \| 91.288 Millimeter x 3.25 Inch \| 82.55 Millimeter Dodge SP4B-S2-215R Pillow Block Roller Bearing Units	No Surface Treatment	M30x1.5	Lock Nut	Steel
3.438 Inch \| 87.325 Millimeter x 4.17 Inch \| 105.918 Millimeter x 3.75 Inch \| 95.25 Millimeter Dodge SEP4B-IP-307RE Pillow Block Roller Bearing Units	Flanged Pilot Type	12	[Steel] Steel	Bearings with Housin
1.938 Inch \| 49.225 Millimeter x 2.86 Inch \| 72.644 Millimeter x 2.25 Inch \| 57.15 Millimeter Dodge SEP2B-IP-115RE Pillow Block Roller Bearing Units	With Outer Ring	No	No	[Steel] Steel
3.438 Inch \| 87.325 Millimeter x 4.01 Inch \| 101.854 Millimeter x 3.75 Inch \| 95.25 Millimeter Dodge SEP2B-S2-307RE Pillow Block Roller Bearing Units	Single Row	Standard	Thrust	Thrust Ball
3 Inch \| 76.2 Millimeter x 3.594 Inch \| 91.288 Millimeter x 3.25 Inch \| 82.55 Millimeter Dodge SP2B-S2-300R Pillow Block Roller Bearing Units	4.86 Hz	6,500 rpm	Yes	Cylindrical Roller B
4.938 Inch \| 125.425 Millimeter x 5.984 Inch \| 152 Millimeter x 5.5 Inch \| 139.7 Millimeter Dodge SP4B-IP-415R Pillow Block Roller Bearing Units	9 mm	5.58 Hz	27 mm	0.3 mm
1.375 Inch \| 34.925 Millimeter x 2.531 Inch \| 64.287 Millimeter x 1.875 Inch \| 47.63 Millimeter Dodge SP2B-S2-106R Pillow Block Roller Bearing Units	Radial	Grade 0	With Outer Ring	No
2.438 Inch \| 61.925 Millimeter x 3.203 Inch \| 81.356 Millimeter x 2.75 Inch \| 69.85 Millimeter Dodge SP4B-S2-207R Pillow Block Roller Bearing Units	Double	14 Days	Deep Groove Ball Bea	Yes (with retaining
1.5 Inch \| 38.1 Millimeter x 2.625 Inch \| 66.675 Millimeter x 1.875 Inch \| 47.63 Millimeter Dodge SP2B-IP-108R Pillow Block Roller Bearing Units	0.25	3,300 rpm	10.42 Hz	120 °C
2.438 Inch \| 61.925 Millimeter x 3.203 Inch \| 81.356 Millimeter x 2.75 Inch \| 69.85 Millimeter Dodge SP4B-S2-207RE Pillow Block Roller Bearing Units	50	6	Deep Groove Ball Bea	DD (Contact Rubber S
6.5 Inch \| 165.1 Millimeter x 10.406 Inch \| 264.312 Millimeter x 7.5 Inch \| 190.5 Millimeter Dodge P4B536-USAF-608TT Pillow Block Roller Bearing Units	2.5	40 mm	68 kN	102 mm
2.5 Inch \| 63.5 Millimeter x 3.422 Inch \| 86.919 Millimeter x 2.75 Inch \| 69.85 Millimeter Dodge SP4B-IP-208R Pillow Block Roller Bearing Units	55 mm	100 °C	140 mm	71.3 mm