NTN BEARING USA CORP.

cylindrical roller bearings

Cylindrical Roller Bearings are bearing in which cylinders are used as the rolling elements as opposed to balls in ball bearings. As such, the rollers have a greater (linear) contact area with the outer ring and are distribute loads across a broader surface. Subsequently, they have a relatively high radial load capacity and are suitable for high speeds. Double-row cylindrical roller bearings have high radial rigidity and are used primarily for precision machine tools.

Depending on the series as defined below a number of cylindrical roller bearings have no ribs on either the inner or outer ring, so the rings can move axially relative to each other which can be used as free-end bearings.

Pressed steel (with or without tins or fins) or machined brass cages are generally used, but sometimes molded polyamide cages are also available depending on the application. Cylindrical Roller Bearings are also available without cages with a full complement of rollers. This allows even higher loads but at the expense of speed.

 
1580 mm x 1820 mm x 110 mm NSK R1580-1 cylindrical roller bearings
0.4
0.109
55 mm x 120 mm x 29 mm NSK N 311 cylindrical roller bearings
112.5 mm
EX202-10G2L3
NSK VP34-4NX cylindrical roller bearings
-20 °C
49.5 kN
140 mm x 250 mm x 68 mm ISO NP2228 cylindrical roller bearings
Metric System
Radial
ISO BK2812 cylindrical roller bearings
3 ~ 100
Negative Tolerance
55 mm x 90 mm x 18 mm ISO NUP1011 cylindrical roller bearings
Take-Up
87226 lbf
220 mm x 370 mm x 120 mm ISO NN3144 cylindrical roller bearings
[Steel] Steel
51
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