Roller Bearings

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Roller Bearings are a type of rolling-element bearing that uses cylinders (rollers) to maintain the separation between the moving parts of the bearing (as opposed to using balls as the rolling element). The purpose of a roller bearing is to reduce rotational friction and support radial and axial loads.Roller bearings transmit loads using cylinder rolling elements, rather than balls, to maintain the separation between moving parts of the bearing.


Proper lubrication of rolling element bearings and gears is critical to long and profitable performance. The basics for successful lubrication of these machine elements are discussed. Procedures for correct selection of oil and grease lubricants are defined. Alternate systems for delivering proper lubrication are presented. Preventive and predictive methods for maintaining lubrication systems at their peak are suggested.


These versatile bearings can contain single or multiple rows of rolling elements; multiple rows can significantly improve radial load capacity. Also, the use of different roller shapes can further reduce friction and support both radial and axial loads.

Bearing Number Bore Dia Outer DIa Width Size
NSK 10UMB09+WX2012 Roller Bearings 0.794 Mounted Units & N/A M06110
NSK 120SLE414 Roller Bearings 3.543 Inch | 90 Mill 25 Degree 1 (Single) Ball Bearing
NSK 2M120-7 Roller Bearings Double Row | Closed 6 Inch | 152.4 Milli LINK BELT 0 Inch | 0 Millimete
NSK 150RUBE40PV Roller Bearings 0.0 NTN N/A 3413529531035
NSK 160SLE404 Roller Bearings Bearing 2.688 Inch | 68.275 0 Inch | 0Millimeter 3/4 Inch
NSK 27UMB01 Roller Bearings 17 0883450977081 4 Bolt Square Flange 6.313 Inch | 160.35
NSK 90TRL08 Roller Bearings 0.58 1 Piece Solid 0 Inch | 0 Millimete 0.0
NSK 160RUBE40APV Roller Bearings 8482.20.00.00 EE107060-90072 6.313 Inch | 160.35 2 Single Cone | 1 Do
NSK 38RCV13 Roller Bearings Mounted Units & M06110 0808250176045 AMI BEARINGS
NSK 140SLE304 Roller Bearings 8482.10.50.28 3.15 Inch | 80 Milli 2 (1 Pair) 1.969 Inch | 50 Mill
NSK AR110-27 Roller Bearings Right Hand 0.472 Inch | 12 Mill N/A 0806990016683
NSK 2J120-11 Roller Bearings 0 Inch | 0Millimeter M06288 Pillow Block 6 Inch | 152.4 Milli