Timken Company (The) Datasheets for Cylindrical Roller Bearings

Cylindrical roller bearings have high radial-load capacity and moderate thrust loads. They contain rollers which are cylindrically-shaped, but crowned or end-relieved to reduce stress concentrations.
Cylindrical Roller Bearings: Learn more

Product Name Notes
Cylindrical Roller Bearings for Aerospace Applications All cylindrical roller bearing configurations (except RAA) provide precision control of the rollers for operation over a wide range of speeds with precision-ground, double-ribbed guide flanges on one ring. These...
Automotive Cylindrical Axle Repair Bearings Automotive cylindrical axle repair bearings are designed to replace the original bearings and seals on axles that are still in good condition, but whose original bearing and/or seal contact paths...
One-Row Cylindrical Bearings -- NF (RIF, RF) Cylindrical bearing type NF has single-ribbed outer and double-ribbed inner rings and can support heavy radial loads, as well as light unidirectional thrust loads up to 10 percent of the...
One-Row Cylindrical Bearings -- NJ (RIJ, RJ) Cylindrical bearing type NJ has double-ribbed outer and single-ribbed inner rings and can support heavy radial loads, as well as light unidirectional thrust loads up to 10 percent of the...
One-Row Cylindrical Bearings -- NP (RIT, RT) Cylindrical bearing type NP has a double-ribbed inner ring and a single-ribbed outer ring with an abutting loose rib, which allows the bearing to provide axial location and to carry...
One-Row Cylindrical Bearings -- NUP (RIP, RP) Cylindrical bearing type NUP has a double ribbed outer ring and a single-ribbed inner ring with an abutting loose rib, which allows the bearing to provide axial location and to...
Precision Cylindrical Roller Bearings for Rotary Tables For applications where rotational accuracy, consistency and rigidity are critical, Timken has the solution – Timken® precision cylindrical roller bearings for rotary tables, indexing and vertical mill heads. Timken’s precision...
Four-Row Cylindrical Bearings -- RY, RYK, RX, RXK Four-row cylindrical bearings are almost exclusive to metals industry and carry heavy radial loads in steel, aluminum and other metal rolling mills. Size range: 140 mm to 200 mm OD.
Debris Resistant Bearings In many cases, standard Timken® bearings can provide superior performance by minimizing the impact of debris in a given system. In fact, in controlled lab tests under identical debris conditions,...
Precision Cylindrical Roller Bearings for Screw Drives Machine tool screw drives face some of the toughest conditions. Rapid acceleration. High speeds. Significant stiffness. Timken precision cylindrical roller bearings are up to the challenge for your tables on...
ADAPT™ Bearing for Continuous Casters The Timken® ADAPT™ bearing is designed specifically for continuous casters, where performance and reliability are critical to maintaining operations. The ADAPT bearing evolves traditional cylindrical and spherical roller bearing configurations...
One-Row Cylindrical Bearings -- N (RIN, RN)
One-Row Cylindrical Bearings -- NU (RIU, RU)
These bearings carry radial load only and can accommodate both expansion and contraction. The relative axial displacement of one ring to the other occurs with minimum friction while the bearing...
Timken Full Complement Cylindrical Roller Bearings Timken now offers a broader range of full complement cylindrical roller bearings to meet the need for increased radial load carrying capacity by maximizing the number of rollers in a...
Two-Row Cylindrical Bearings -- NN, NNU Two-row, or double-row, cylindrical bearings are designed for additional strength in carrying radial loads. These bearing types are interchangeable so the dimensions and diameter under the rollers (NNU style) and...