Spherical Plain Bearings - Radial

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Spherical plain bearings (SPBs), or bushings, are metal-on-metal bearings consisting of a spherically ground inner ring housed in a mating outer ring without any rolling elements.  While all plain bearings are precision ground and made from through-hardened steel, custom orders are available and can include special materials, clearances, surface finishes or configurations to accommodate unique applications.

Design Attributes:Rings manufactured from hardened steel help deliver consistent, reliable performance.Phosphate-treated rings coated with molybdenum disulfide (MoS2) minimize friction of contacting surfaces.Simplified housing and shaft designs reduce installation time.

Applications:A-frames, dump cylinders, front and rear struts, and steering cylinders for mining trucks.Equalizer track bars, lift and tilt cylinders, push blades, trunnion balls and ripper blades for bulldozers.Articulated joint upper and lower steering cylinders and boom and bucket cylinders for wheel loaders.Stick and bucket cylinders for hydraulic excavators.Additional applications for space shuttles, heavy movable structures and miscellaneous vehicles

Bearing Number Bore Dia Outer DIa Width Size
4 Inch | 101.6 Millimeter x 6.25 Inch | 158.75 Millimeter x 3.5 Inch | 88.9 Millimeter RBC BEARINGS B64-L Spherical Plain Bearings - Radial NN3022MB 110x155x45 110 155
4 Inch | 101.6 Millimeter x 6.25 Inch | 158.75 Millimeter x 6 Inch | 152.4 Millimeter RBC BEARINGS B64-EL Spherical Plain Bearings - Radial 6802NSE 15x24x5 15 24
4 Inch | 101.6 Millimeter x 6.25 Inch | 158.75 Millimeter x 6 Inch | 152.4 Millimeter RBC BEARINGS B64-ELSS Spherical Plain Bearings - Radial 6418-M 90x225x54 90 225
3.75 Inch | 95.25 Millimeter x 5.875 Inch | 149.225 Millimeter x 3.281 Inch | 83.337 Millimeter RBC BEARINGS B60-LSSQ Spherical Plain Bearings - Radial 6802ZZ 15x24x5 15 24
3.75 Inch | 95.25 Millimeter x 5.875 Inch | 149.225 Millimeter x 3.281 Inch | 83.337 Millimeter RBC BEARINGS B60-LSS Spherical Plain Bearings - Radial 6704ZZ 20x27x4 20,000 27,000
3.5 Inch | 88.9 Millimeter x 5.5 Inch | 139.7 Millimeter x 3.062 Inch | 77.775 Millimeter RBC BEARINGS B56-LSSQ Spherical Plain Bearings - Radial 6801VV 12x21x5 12 21
3.75 Inch | 95.25 Millimeter x 5.875 Inch | 149.225 Millimeter x 5.625 Inch | 142.875 Millimeter RBC BEARINGS B60-ELSS Spherical Plain Bearings - Radial 6004LB 20x42x12 20,000 42,000
3.5 Inch | 88.9 Millimeter x 5.5 Inch | 139.7 Millimeter x 5.25 Inch | 133.35 Millimeter RBC BEARINGS B56-ELSS Spherical Plain Bearings - Radial 6803ZZ 17x26x5 17 26
3.5 Inch | 88.9 Millimeter x 5.5 Inch | 139.7 Millimeter x 3.062 Inch | 77.775 Millimeter RBC BEARINGS B56-L Spherical Plain Bearings - Radial 6205/26 26x52x15 26,000 52,000
3.75 Inch | 95.25 Millimeter x 5.875 Inch | 149.225 Millimeter x 3.281 Inch | 83.337 Millimeter RBC BEARINGS B60-L Spherical Plain Bearings - Radial 6801ZZE 12x21x5 12 21
3.5 Inch | 88.9 Millimeter x 5.5 Inch | 139.7 Millimeter x 3.062 Inch | 77.775 Millimeter RBC BEARINGS B56-LSS Spherical Plain Bearings - Radial 6801Z 12x21x5 12 21
5.5 Inch | 139.7 Millimeter x 8.75 Inch | 222.25 Millimeter x 4.95 Inch | 125.73 Millimeter RBC BEARINGS BH8896-9LSS Spherical Plain Bearings - Radial NJ3326 130x280x112 130 280
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