• Taper roller bearings have tapered inner and outer ring raceways between which tapered rollers are arranged.
• The projection lines of all the tapered surfaces meet at a common point on the bearing axis. Their design makes taper roller bearings particularly suitable for the accommodation of combined (radial and axial) loads.
• The axial load carrying capacity of the bearings is largely determined by the contact angle. The larger the angle, the higher the axial load carrying capacity.
• Taper roller bearings have the logarithmic contact profile that provides for optimum stress distribution over the roller/raceway contacts
• Taper Roller Bearings special design of the sliding surfaces of the guide flange and large roller ends considerably promotes lubricant film formation in the roller end/flange contacts. 

Advantages of Taper roller bearings

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

Applications of Taper Roller Bearings

• In many applications taper roller bearings are used in back-back pairs so that axial forces can be supported equally in either direction.
• Pairs of taper roller bearings are used in car and vehicle wheel bearings where they must cope simultaneously with large vertical (radial) and horizontal (axial) forces.
• Agriculture,Construction & Mining Equipment
• Various Axle Systems
• Conveyance Vehicles
• Gear Box, Engine Motors, Reducers

Taper Roller Bearings Design

• Tapered roller bearings consist of four basic components including the cone (inner ring), the cup (outer ring), tapered rollers, & a cage(roller retainer). Tapered roller bearings are designed such that their conical rollers and raceways are arranged so that all elements of the roller and raceway cones meet at a common apex on the bearing axis. The rollers are guided by the contact between the large end of the roller & the rib on the inner ring(cone).
• This construction provides a high capacity for radial loads, axial loads, & combined loads. The larger the contact angle, the greater the loading capacity becomes. When a pure radial load is placed on the bearing, an induced load in the axial direction is also generated. So, these bearings are generally used in pairs opposing each other.
• Proper running clearance or preload can be obtained by adjusting the distance of the two bearings against one another. Since the inner(cone) & outer(cup) rings are separable, each ring can be mounted individually, allowing both rings to use tight fitting practices, if desired.
• Both metric & inch systems are standardized by bearing series and both systems are widely used. The metric system is specified in ISO (ISO 355) & JIS 1512, and the inch system (including J-series) is standardized in AFBMA standard.
• Press steel cages are generally used in these bearings, however, large-sized bearings use machined or pin type cages. Smaller sizes sometimes use plastic cages depending on the application.

Taper roller bearings are separable i.e. cup and cone can be assembled separately. The modified line contact between rollers and raceways prevents edge stresses. Since tapered roller bearings can carry thrust in one direction only, two such bearings are usually installed in opposition to each other.