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Office address
National Engineering Industries Ltd.
Khatipura Road Jaipur – 302006 Rajasthan, India
Phone Number

Toll Free: 1800 3000 6222
Telephone: +91 141 222 3221
Fax: +91 141 222 1926, 222 2259
CIN: U29130WB1946PLC013643

Angular Contact Ball Bearings

What are Angular Contact Ball Bearings?

Angular contact ball bearings are a unique variety of bearings. These are designed for combined loading, i.e., it includes radial and axial loading. These are rolling-element bearings which use a roller or a ball to carry the weight of the load. 

As the name suggests this has a specific angular contact with the bearing raceway and shoulder. This supports higher axial loads effectively. The bearings are also supported by corrosion resistant coatings, high quality bearing cages and special lubricants to ensure superior performance. 

Products Table

Products Principal Dimensions Basic Load Ratings
Dynamic Static
d [mm] D [mm] B [mm] C [kn] Co [kn]
3208 40 80 30.2 44.9 33.5
3310 50 110 44.4 88.5 67
3308 40 90 36.5 59.2 43
3207 35 72 27 39.3 28.5
3309 45 100 39.7 87.1 74.4
3206 30 62 23.8 29.4 21.5
3205 25 52 20.6 20.5 13.4
7208 50 110 44.4 88.5 67
7205 25 52 15 14.8 9.4
7206 30 62 16 20.5 13.5

Features of Angular Contact Ball Bearings

  • These support both axial as well as radial force or thrust, but in only one direction.
  • They are used to operating at contact angles ranging between 0° to 45°. This helps transfer heavy loads effectively on the bearing.
  • These have a precisely engineered raceway-shoulder transition that reduces contact and edge stress, to prevent axial overloading.
  • These ensure longevity and sustainability in the long run, improving performance and service life. 
  • These are low friction, low noise, and low vibration bearings with high rotational speeds.
  • These are fit for high temperatures and extreme heat of up to +150 °C (+300 °F)
  • Improved running accuracy that manages heat, cancels noise, and absorbs vibrations.

Benefits of Angular Contact Ball Bearings

  • Improved wear resistance: Due to a well-structured design the raceway and shoulder angles are smooth and wear resistant for long term use.
  • Axial overloading protection: Due to the intensity and load on the process there can be a lot of unidirectional axial stress. But the design prevents this from happening. 
  • Reduced lubricant consumption: The design itself is seamless and flows effortlessly, therefore it is not heavily dependent upon external lubrication. 
  • Less noise and vibration: There is very limited friction due to the flow of the ball and the design of the bearing. This also helps keep vibration to a minimum. 
  • Less heat generation: Due to the load managing design and angular approach there is no friction or load stress that leads to overheating. 
  • Low maintenance: The maintenance intervals are wide, making it economical and long-lasting with an extended service life. Hence ideal for pumps, motors, clutches, and gearboxes in the OEM sector. 

Design Variants of Angular Contact Ball Bearings

Variations based on number of rows:

  • Single-row angular contact ball bearings: This comes with a single row for the balls inside.
  • Double-row angular contact ball bearings: This has two rows for bearing balls inside it.
Read More
Single Row Angular Contact
The purpose of a ball bearing is to reduce rotational friction and support radial and axial loads
Read More
Double Row Angular Contact
They are designed to accommodate and simultaneously action axial and radial loads
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