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
2.875 Inch \| 73.025 Millimeter x 4.331 Inch \| 110 Millimeter x 1.938 Inch \| 49.225 Millimeter ROLLWAY BEARING B-212-31 Cylindrical Roller Bearings	180 mm	240 mm	25 mm	1.5 mm
2.875 Inch \| 73.025 Millimeter x 4.331 Inch \| 110 Millimeter x 1.438 Inch \| 36.525 Millimeter ROLLWAY BEARING B-212 Cylindrical Roller Bearings	45 mm	70 mm	10 mm	0.6 mm
3.5 Inch \| 88.9 Millimeter x 3.937 Inch \| 100 Millimeter x 1.813 Inch \| 46.05 Millimeter ROLLWAY BEARING B-211-29-70 Cylindrical Roller Bearings	160 mm	295 mm	35 mm	2 mm
3.5 Inch \| 88.9 Millimeter x 3.937 Inch \| 100 Millimeter x 1.313 Inch \| 33.35 Millimeter ROLLWAY BEARING B-211-70 Cylindrical Roller Bearings	115 mm	240 mm	28 mm	1.5 mm
2.625 Inch \| 66.675 Millimeter x 3.937 Inch \| 100 Millimeter x 1.313 Inch \| 33.35 Millimeter ROLLWAY BEARING B-211 Cylindrical Roller Bearings	45 mm	70 mm	10 mm	0.6 mm
2.625 Inch \| 66.675 Millimeter x 3.937 Inch \| 100 Millimeter x 1.813 Inch \| 46.05 Millimeter ROLLWAY BEARING B-211-29 Cylindrical Roller Bearings	45 mm	70 mm	10 mm	0.6 mm
2.188 Inch \| 55.575 Millimeter x 3.346 Inch \| 85 Millimeter x 1.563 Inch \| 39.7 Millimeter ROLLWAY BEARING B-209-25 Cylindrical Roller Bearings	80 mm	165 mm	22 mm	1 mm
2 Inch \| 50.8 Millimeter x 3.15 Inch \| 80 Millimeter x 1.375 Inch \| 34.925 Millimeter ROLLWAY BEARING B-208-22 Cylindrical Roller Bearings	170 mm	220 mm	20 mm	1.5 mm
2.375 Inch \| 60.325 Millimeter x 3.543 Inch \| 90 Millimeter x 1.25 Inch \| 31.75 Millimeter ROLLWAY BEARING B-210-20 Cylindrical Roller Bearings	180 mm	240 mm	25 mm	1.5 mm
3.125 Inch \| 79.375 Millimeter x 3.543 Inch \| 90 Millimeter x 1.25 Inch \| 31.75 Millimeter ROLLWAY BEARING B-210-20-70 Cylindrical Roller Bearings	90 mm	210 mm	25 mm	1.5 mm
3.125 Inch \| 79.375 Millimeter x 3.543 Inch \| 90 Millimeter x 3.5 Inch \| 88.9 Millimeter ROLLWAY BEARING B-210-56-70 Cylindrical Roller Bearings	115 mm	240 mm	28 mm	1.5 mm
3.125 Inch \| 79.375 Millimeter x 3.543 Inch \| 90 Millimeter x 1.75 Inch \| 44.45 Millimeter ROLLWAY BEARING B-210-28-70 Cylindrical Roller Bearings	90 mm	130 mm	16 mm	1 mm