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
1.575 Inch \| 40 Millimeter x 3.15 Inch \| 80 Millimeter x 1 Inch \| 25.4 Millimeter ROLLWAY BEARING D-208-16 Cylindrical Roller Bearings	20 mm	70 mm	12 mm	0.6 mm
1.378 Inch \| 35 Millimeter x 2.835 Inch \| 72 Millimeter x 1.188 Inch \| 30.175 Millimeter ROLLWAY BEARING D-207-19 Cylindrical Roller Bearings	55 mm	120 mm	15 mm	0.6 mm
1.181 Inch \| 30 Millimeter x 2.441 Inch \| 62 Millimeter x 1.125 Inch \| 28.575 Millimeter ROLLWAY BEARING D-206-18 Cylindrical Roller Bearings	20 mm	70 mm	12 mm	0.6 mm
5.25 Inch \| 133.35 Millimeter x 5.906 Inch \| 150 Millimeter x 2.75 Inch \| 69.85 Millimeter ROLLWAY BEARING B-217-44-70 Cylindrical Roller Bearings	115 mm	240 mm	28 mm	1.5 mm
5.25 Inch \| 133.35 Millimeter x 5.906 Inch \| 150 Millimeter x 1.938 Inch \| 49.225 Millimeter ROLLWAY BEARING B-217-70 Cylindrical Roller Bearings	90 mm	210 mm	25 mm	1.5 mm
1.25 Inch \| 31.75 Millimeter x 2.441 Inch \| 62 Millimeter x 1.125 Inch \| 28.575 Millimeter ROLLWAY BEARING B-305-18 Cylindrical Roller Bearings	55 mm	120 mm	15 mm	0.6 mm
4 Inch \| 101.6 Millimeter x 5.906 Inch \| 150 Millimeter x 2.75 Inch \| 69.85 Millimeter ROLLWAY BEARING B-217-44 Cylindrical Roller Bearings	110 mm	160 mm	20 mm	1 mm
4 Inch \| 101.6 Millimeter x 5.906 Inch \| 150 Millimeter x 1.938 Inch \| 49.225 Millimeter ROLLWAY BEARING B-217 Cylindrical Roller Bearings	160 mm	220 mm	25 mm	1.5 mm
4.875 Inch \| 123.825 Millimeter x 5.512 Inch \| 140 Millimeter x 2.625 Inch \| 66.675 Millimeter ROLLWAY BEARING B-216-42-70 Cylindrical Roller Bearings	90 mm	210 mm	25 mm	1.5 mm
3.313 Inch \| 84.15 Millimeter x 4.921 Inch \| 125 Millimeter x 2.375 Inch \| 60.325 Millimeter ROLLWAY BEARING B-214-38 Cylindrical Roller Bearings	160 mm	295 mm	35 mm	2 mm
3.75 Inch \| 95.25 Millimeter x 5.512 Inch \| 140 Millimeter x 2.625 Inch \| 66.675 Millimeter ROLLWAY BEARING B-216-42 Cylindrical Roller Bearings	120 mm	150 mm	16 mm	1 mm
4.125 Inch \| 104.775 Millimeter x 4.724 Inch \| 120 Millimeter x 1.5 Inch \| 38.1 Millimeter ROLLWAY BEARING B-213-70 Cylindrical Roller Bearings	55 mm	120 mm	15 mm	0.6 mm