Super Precision Angular Contact

There are many reasons to pick angular contact bearings over standard ball bearings. By featuring a high shoulder on one side in their design, it is possible to insert a larger size and number of balls into the bearing. Combined with a unique cage design using a stronger enclosed pocket, this greatly increases bearing capacity.

Angular contact bearings are also more suited to both radials and thrust loads by having rings displaced against one another in the direction of the bearing axis. This mounting method creates a preload condition that guarantees non-stop contact between balls and rings, lowering vibration increasing the accuracy of the final product.

In combination with state-of-the-art materials, coatings, and lubrication options, these bearings offer you truly innovative solutions for both small prototype and large volume production.

We offer a range of different options when it comes to our angular contact ball bearings, including race materials in cutting edge steel alloys, standard steel-coated for corrosion-resistance, and dry film lubrication coatings for applications that either cannot tolerate lubrication of have extreme start-up conditions.

Bearing cages can be produced from a variety of materials such as phenolic resin as well as composites like PEEK, Vespel®, and Torlon®, and speciality alloys like titanium and Inconel. For applications where bearing cages are not suitable, full complement construction spacer balls and toroidal spacers can also be substituted.  

These advanced engineering options and the combinations mentioned above for super precision angular contact bearings offer solutions unique to UNASIS.

By combining stock components with small non-stock batch productions, we can offer industry-standard short lead times on our custom super-precision angular contact bearings. UNASIS precision bearings can be matched in face-to-face, back-to-back, and tandem arrangements. The product’s adaptability can ensure it meets your exact requirements, maximising service life even in the most extreme conditions.

The drilling heads used in the oil and gas industries are one of the most extreme operating environments for angular contact bearings. Bearings in this application are assembled in matched stack arrangements and use the highly-aggressive mud from their environment as lubricant. Combined with the shock loads and toxic chemicals present, this creates a difficult challenge for the bearings.

Our solution for drilling strings combines engineering design solutions, modern specialty materials, bespoke bearing life software, and FEA analysis to increase service life, efficiency, and maximise the value of your investment.