Tapered Roller Bearings

Tapered Roller Bearing Tapered roller bearings consist of four basic components including: the cone (inner ring), the cup (outer ring), tapered rollers, and a cage (roller retainer). The cone, cup and rollers carry the load while the cage spaces and retains the rollers on the cone. The cone, rollers and cage components of our tapered roller bearings are referred to as the cone assembly. Individual cup and cone components of our tapered roller bearings are available as well as the complete assembly. In addition, AST offers a variety of configurations to our tapered roller bearings such as single-row, double-row and four-row.

Tapered Roller Bearing Material

While other materials may be available, typically, tapered roller bearings are made of high carbon chrome steel due to their expected performance.

Tapered Roller Bearing Heat Treatments

  • Through-Hardened: Through-hardened heat treatment gives consistent hardness throughout the component.
  • Case-Hardened: Surface hardening combined with a tough, flexible core (Case-Hardened available upon special request only.

Although Through-Hardened bearings have gradually become the preference in heavy-duty commercial trucking applications, AST will supply both Through-Hardened and Case-Hardened Tapered Roller Bearings.

Tapered Roller Bearing Sizes

Most standard industrial sizes are available in inch and metric. Custom sizes are also available upon special request. AST's main stock sizes are: ID 15-240mm or .59- 9.45 inches to OD 35-40mm or 1.38-15.75 inches. Please consult an AST sales specialist for larger tapered roller bearing sizes and availability.

Tapered Roller Bearing Advantages

  • Dimensional Stability
  • Long Life Even In Contaminated Lubricant
  • Durable Steel Cage
  • Dimensionally Interchangeable With Other Bearing Manufacturers

Typical Applications for Tapered Roller Bearings

Tapered roller bearings are used for heavy-duty, moderate speed applications. Typical applications that will benefit from these durable bearings include:

  • Agriculture, Construction and Mining Equipment
  • Various Axle Systems
  • Conveyance Vehicles
  • Gear Box, Engine Motors, Reducers

AST Bearings offers more than 250 different Tapered Roller Bearing models in both inch and metric sizes with many in-stock and ready to ship. If you need help in selecting the best tapered roller bearing by size, please remember that design engineering and application assistance are available from AST as part of our value-added services designed to make your job easier.

Request a Quote for tapered roller bearings

AST Bearings is proudly presenting our new certificates for both the NJ and CA locations: AST Bearings’ ISO 9001:2015 Certificates

To learn more about what the ISO 9001 standard is, the differences between the 2015 and 2008 versions, and how AST verifies customer satisfaction: Learn About AST Bearings’ certification to ISO 9001:2015

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