Cylindrical Roller Bearings
In bearings of this type, the cylindrical rollers are in linear contact with the raceways. They have a high radial load capacity and are suitable for high speeds.
There are different types designated as NU, NJ, NUP, N, NF (for single-row bearings), NNU, and NN (for double-row bearings depending on the design or absence of side ribs).The outer and inner rings of all types are separable.
Some cylindrical roller bearings have no ribs on either the inner or outer ring, so the rings can move axially relative to each other. These can be used as free-end bearings. Cylindrical roller bearings, in which either the inner or outer rings has two ribs and the other ring has one, are capable of taking some axial load in one direction Double-row cylindrical roller bearings have high radial rigidity and are used primarily for precision machine tools.
Pressed steel or machined brass cages are generally used, but sometimes molded polyamide cages are also used.
![7.874 Inch | 200 Millimeter x 11.024 Inch | 280 Millimeter x 1.89 Inch | 48 Millimeter TIMKEN NCF2940V Cylindrical Roller Bearings](https://m.officialfnradio.com/uploaded_images/d2050915-7-874-inch-200-millimeter-x-11-024-inch-280-millimeter-x-1-89-inch-48-millimeter-timken-ncf2940v-cylindrical-roller-bearings.jpg)
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![7.087 Inch | 180 Millimeter x 9.843 Inch | 250 Millimeter x 1.654 Inch | 42 Millimeter TIMKEN NCF2936V Cylindrical Roller Bearings](https://m.officialfnradio.com/uploaded_images/d2050920-7-087-inch-180-millimeter-x-9-843-inch-250-millimeter-x-1-654-inch-42-millimeter-timken-ncf2936v-cylindrical-roller-bearings.jpg)
![6.693 Inch | 170 Millimeter x 9.055 Inch | 230 Millimeter x 1.417 Inch | 36 Millimeter TIMKEN NCF2934VC3 Cylindrical Roller Bearings](https://m.officialfnradio.com/uploaded_images/d2050918-6-693-inch-170-millimeter-x-9-055-inch-230-millimeter-x-1-417-inch-36-millimeter-timken-ncf2934vc3-cylindrical-roller-bearings.jpg)
![2.756 Inch | 70 Millimeter x 4.921 Inch | 125 Millimeter x 0.945 Inch | 24 Millimeter SKF NU 214 ECM/C4VA301 Cylindrical Roller Bearings](https://m.officialfnradio.com/uploaded_images/d2051309-2-756-inch-70-millimeter-x-4-921-inch-125-millimeter-x-0-945-inch-24-millimeter-skf-nu-214-ecm-c4va301-cylindrical-roller-bearings.jpg)
![5.906 Inch | 150 Millimeter x 10.63 Inch | 270 Millimeter x 1.772 Inch | 45 Millimeter SKF NJ 230 ECJ/C3 Cylindrical Roller Bearings](https://m.officialfnradio.com/uploaded_images/d2050922-5-906-inch-150-millimeter-x-10-63-inch-270-millimeter-x-1-772-inch-45-millimeter-skf-nj-230-ecj-c3-cylindrical-roller-bearings.jpg)