NTN takes pride in selling locally manufactured tapered roller bearings to various markets. With NTN-Bower facilities in Macomb, Illinois and Hamilton, Alabama, NTN has been producing tapered roller bearings in the United States for more than half a century. Over 10 million tapered roller bearings sold by NTN in the last year were made locally using domestic materials and some foreign components. NTN employing over 800 Americans at our Macomb, Illinois and Hamilton, Alabama facilities and we continue to increase production.

Rollerbearings

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RBC Bearings

NTN’s pioneering efforts in developing crowned rollers have resulted in greater load-carrying capability and longer bearing life. Crowned rollers under load distribute stress equally along their full length of contact with the raceways, thereby eliminating stress concentration at the roller ends. This design concept also compensates for minor misalignment between shaft and housing bore and deflection under load, thereby reducing stress concentration.

RBC Bearings locations

* For fluid types marked as possible, please call our team of experts on +44 208 941 2244 to talk through your requirements and determine if this seal is the most suitable for your needs.

Americanroller bearingCatalog pdf

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The cold flow feature of the specially conditioned virgin PTFE grade reliably closes the extrusion gap and protects the o-ring from extruding into the gap and helps to reasonably increase the acceptable system pressure.

We offer premium tapered roller bearings under the NTN and Bower® brand names. Most NTN and all Bower® tapered roller bearings feature case-carburized components. Cups, cones, and rollers are made from case-hardened alloy steel of “Bearing Quality” to provide superior fatigue life and reliability. Precise control of heat treatment, dimensions, and surface finish of the components further contribute to reliable bearing performance. So whether you’re looking for an American-made, case-carburized inch series taper, or a metric series through-hardened variety, we have you covered with a proper fit for your application. Premium steels and heat treatments are also available for applications requiring extended life and high reliability.

AUTHORIZED DISTRIBUTOR SEARCH NTN has dozens of manufacturing plants and distribution centers throughout the Americas, to keep our distribution channels fully stocked. Use our distributor locator tool to find a distributor close to you.

NTN offers tapered roller bearings in ISO (metric), inch and J-metric series with single-row (cone/cup), two-row (back-to-back or face-to-face), double-row (double cup or double cone) and four-row assemblies available. NTN and Bower integrated offerings allow customers to optimize their tapered roller bearing selection by customizing geometries and surfaces, ensuring the product delivered meets customer needs.

Bearing roller manufacturersusa

NTN tapered roller bearings are designed for the most demanding applications in industries such as mining, forestry and steel manufacturing. Utilizing conical rollers and raceways arranged so that the rollers and raceways meet at a common apex, NTN’s tapered roller bearing rollers are guided by contact between the large end of the roller, providing high capacity for radial and single thrust loads. With almost 100 million tapered roller bearings manufactured every year under the NTN and Bower brands, it’s no wonder that NTN rivals all major competitors on the market.

Bestbearing roller manufacturers

NTN products are critical to keep the world moving smoothly. Our bearings and related products are present in a wide variety of industries. Please see the industries below that have applications for this product category.

Automotivebearing roller manufacturers

The case carburization process creates a hardened steel “case” around the outside of the roller bearing while leaving a soft core. The combination of the hard surface layer around the soft core provides excellent shock-load capabilities. Case carburization increases theoretical bearing life by up to 40%, resulting in increased maintenance intervals and reduced downtime.

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Industrialbearing roller manufacturers

* Max pressure stated is dependant on the material variant selected. Please consult the datasheet for further information.

BEARING FINDER Are you looking for a specific size of bearing? Do you have an NTN or other part number to look up? Do you need a CAD file or technical specifications? Find and download the bearing information you need with NTN’s robust online product catalog tool.

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Hallite PME back-up rings are uncut back-up rings made from specific conditioned PTFE to be assembled into one-piece external grooves. They are designed to support o-rings mainly in static applications.