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
4 Inch \| 101.6 Millimeter x 5.25 Inch \| 133.35 Millimeter x 2.75 Inch \| 69.85 Millimeter ROLLWAY BEARING WS-217-44 Cylindrical Roller Bearings	250 mm	330 mm	30 mm	2 mm
2.75 Inch \| 69.85 Millimeter x 4.125 Inch \| 104.775 Millimeter x 1.938 Inch \| 49.225 Millimeter ROLLWAY BEARING WS-311 Cylindrical Roller Bearings	400 mm	480 mm	35 mm	2.5 mm
4 Inch \| 101.6 Millimeter x 5.25 Inch \| 133.35 Millimeter x 1.938 Inch \| 49.225 Millimeter ROLLWAY BEARING WS-217 Cylindrical Roller Bearings	100 mm	140 mm	16 mm	1 mm
3.75 Inch \| 95.25 Millimeter x 4.875 Inch \| 123.825 Millimeter x 2.625 Inch \| 66.675 Millimeter ROLLWAY BEARING WS-216-42 Cylindrical Roller Bearings	150 mm	210 mm	25 mm	1.5 mm
3.75 Inch \| 95.25 Millimeter x 4.875 Inch \| 123.825 Millimeter x 1.813 Inch \| 46.05 Millimeter ROLLWAY BEARING WS-216-29 Cylindrical Roller Bearings	35 mm	60 mm	10 mm	0.6 mm
3.5 Inch \| 88.9 Millimeter x 4.5 Inch \| 114.3 Millimeter x 2.625 Inch \| 66.675 Millimeter ROLLWAY BEARING WS-215-42 Cylindrical Roller Bearings	180 mm	240 mm	25 mm	1.5 mm
3.5 Inch \| 88.9 Millimeter x 4.5 Inch \| 114.3 Millimeter x 1.75 Inch \| 44.45 Millimeter ROLLWAY BEARING WS-215-28 Cylindrical Roller Bearings	120 mm	170 mm	20 mm	1.5 mm
3.313 Inch \| 84.15 Millimeter x 4.313 Inch \| 109.55 Millimeter x 1.625 Inch \| 41.275 Millimeter ROLLWAY BEARING WS-214-26 Cylindrical Roller Bearings	100 mm	140 mm	16 mm	1 mm
3.313 Inch \| 84.15 Millimeter x 4.313 Inch \| 109.55 Millimeter x 2.375 Inch \| 60.325 Millimeter ROLLWAY BEARING WS-214-38 Cylindrical Roller Bearings	100 mm	140 mm	16 mm	1 mm
3.125 Inch \| 79.375 Millimeter x 4.125 Inch \| 104.775 Millimeter x 2.063 Inch \| 52.4 Millimeter ROLLWAY BEARING WS-213-33 Cylindrical Roller Bearings	300 mm	360 mm	25 mm	2.5 mm
3.125 Inch \| 79.375 Millimeter x 4.125 Inch \| 104.775 Millimeter x 1.5 Inch \| 38.1 Millimeter ROLLWAY BEARING WS-213 Cylindrical Roller Bearings	80 mm	110 mm	13 mm	0.6 mm
2.875 Inch \| 73.025 Millimeter x 3.875 Inch \| 98.425 Millimeter x 1.938 Inch \| 49.225 Millimeter ROLLWAY BEARING WS-212-31 Cylindrical Roller Bearings	40 mm	65 mm	10 mm	0.6 mm