Cylindrical Roller Bearings

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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.

Bearing Number	Bore Dia	Outer DIa	Width	Size
2.125 Inch \| 53.975 Millimeter x 2.441 Inch \| 62 Millimeter x 0.813 Inch \| 20.65 Millimeter ROLLWAY BEARING B-206-13-70 Cylindrical Roller Bearings	200 mm	260 mm	25 mm	2 mm
5.625 Inch \| 142.875 Millimeter x 6.299 Inch \| 160 Millimeter x 2.813 Inch \| 71.45 Millimeter ROLLWAY BEARING B-218-45-70 Cylindrical Roller Bearings	90 mm	140 mm	20 mm	1 mm
3.543 Inch \| 90 Millimeter x 6.299 Inch \| 160 Millimeter x 2.813 Inch \| 71.45 Millimeter ROLLWAY BEARING D-218-45 Cylindrical Roller Bearings	60 mm	90 mm	13 mm	0.6 mm
7 Inch \| 177.8 Millimeter x 7.874 Inch \| 200 Millimeter x 3.5 Inch \| 88.9 Millimeter ROLLWAY BEARING B-222-56-70 Cylindrical Roller Bearings	40 mm	65 mm	10 mm	0.6 mm
6.25 Inch \| 158.75 Millimeter x 7.087 Inch \| 180 Millimeter x 3.25 Inch \| 82.55 Millimeter ROLLWAY BEARING B-220-52-70 Cylindrical Roller Bearings	140 mm	200 mm	25 mm	1.5 mm
3.543 Inch \| 90 Millimeter x 6.299 Inch \| 160 Millimeter x 2.063 Inch \| 52.4 Millimeter ROLLWAY BEARING D-218 Cylindrical Roller Bearings	30 mm	55 mm	10 mm	0.6 mm
9.438 Inch \| 239.725 Millimeter x 10.63 Inch \| 270 Millimeter x 3.5 Inch \| 88.9 Millimeter ROLLWAY BEARING B-230-70 Cylindrical Roller Bearings	170 mm	220 mm	20 mm	1.5 mm
8.063 Inch \| 204.8 Millimeter x 9.055 Inch \| 230 Millimeter x 4.25 Inch \| 107.95 Millimeter ROLLWAY BEARING B-226-68-70 Cylindrical Roller Bearings	80 mm	120 mm	16 mm	0.6 mm
8.063 Inch \| 204.8 Millimeter x 9.055 Inch \| 230 Millimeter x 3.125 Inch \| 79.375 Millimeter ROLLWAY BEARING B-226-70 Cylindrical Roller Bearings	90 mm	210 mm	25 mm	1.5 mm
6 Inch \| 152.4 Millimeter x 6.693 Inch \| 170 Millimeter x 3 Inch \| 76.2 Millimeter ROLLWAY BEARING B-219-48-70 Cylindrical Roller Bearings	60 mm	90 mm	13 mm	0.6 mm
5.625 Inch \| 142.875 Millimeter x 6.299 Inch \| 160 Millimeter x 2.063 Inch \| 52.4 Millimeter ROLLWAY BEARING B-218-70 Cylindrical Roller Bearings	120 mm	180 mm	25 mm	1.5 mm
1.75 Inch \| 44.45 Millimeter x 2.75 Inch \| 69.85 Millimeter x 1.375 Inch \| 34.925 Millimeter ROLLWAY BEARING WS-307 Cylindrical Roller Bearings	400 mm	480 mm	35 mm	2.5 mm