Double row tapered roller bearings

  • SKF manufactures double row tapered roller bearings in TDO and TDI designs in a wide range of models and with different characteristics.
  • Depending on the design, these bearings can withstand large radial loads, axial loads in both directions and have a high degree of stiffness.
  • Double-row tapered roller bearings are commonly used in gearboxes, lifting equipment, rolling mills and machines in the mining industry, such as tunnel boring machines.
Double row tapered roller bearings

Products of Double row tapered roller bearings

Features and Benefits

  • High load carrying capacity
    Double row tapered roller bearings are suitable for heavy radial and axial loads. The axial load carrying capacity of tapered roller bearings increases with the increase of the contact angle α. The size of the contact angle is usually between 10° and 30°, which is related to the calculation coefficient e: the larger the value of e, the larger the contact angle.
  • Bidirectional axial load
    Double row tapered roller bearings locate the shaft with a specific axial clearance or preload in both directions.
  • High rigidity
    Double-row tapered roller bearings provide a rigid bearing configuration.
  • Low Friction
    The optimized roller end design and flange surface finish promote the formation of a lubricant film, which reduces friction. This also reduces frictional heat and flange wear. In addition, the bearings can better maintain preload and operate at lower noise levels.
  • Long service life
    The crowned raceway profile of the basic design bearing and the logarithmic raceway profile of the SKF Explorer bearing optimize load distribution along the contact surface, reduce stress peaks at the roller ends, and reduce misalignment and shaft deflection sensitivity compared to conventional linear raceway profiles.
  • Improved operational reliability
    Optimized surface finish of roller and raceway contact surfaces supports hydrodynamic lubrication film formation.
    Consistency of roller profile and dimensions
  • The rollers in SKF double row tapered roller bearings are manufactured with such close dimensional and geometric tolerances that they are virtually identical. This provides optimum load distribution, reduces noise and vibration, and allows for more accurate preload settings.

Applications

  • Double row/Single row tapered roller bearings are mainly used in gearboxes, lifting equipment, steel rolling mills and for mining machinery, such as pit boring machines. In the front wheel hub of the car, the small size of double row tapered roller bearings are used

  • Four-row tapered roller bearings four-row tapered roller bearings used in large cold, hot rolling mills and other heavy machinery. Mainly used in heavy machinery.

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Electric motors and generators

FAQ

Loads are defined by their direction. Loads perpendicular to the shaft are called radial loads and loads parallel to the shaft are called axial (thrust) loads.

Successful mounting is critical to the life cycle of your bearing. Proper bearing dismounting can safeguard other machine components and maintenance workers.

  1. The bearing is at the heart of all rotating equipment, and the condition of the bearing often reflects how well a machine is running.
  2. Learn more about bearing damage and bearing failure – and how to prevent it.

Sure, free samples are available for stock products if you can pay for the shipping cost.

We have regular stock for standard bearings that can be shipped right after your payment. It will take 15-60 days for new production order,which depends on your order quantity.

  1. All our bearings are 100% inspected strictly before packing.
  2. If any defective products received, please provide photos and video to show us the problem and help us improve the quality.
  3. New products will be sent to you as replacement if the probelm is product quality.
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