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Angular Contact Ball Bearings

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Angular Contact Ball Bearings
The NSK range of angular contact ball bearings has been designed to meet the increasingly demanding requirements of original equipment manufacturers. These bearings have a contact angle so that they can sustain significant axial loads in one direction together with radial loads. Furthermore, since an axial component is generated when a radial load is applied, these bearings are generally used in pairs, triplex sets, quadruplex sets, or multiplex sets. NSK offers one of the most comprehensive ranges of angular contact ball bearings available.

Features

  • 1. High Quality Steel - Ultra clean steel to extend bearing life by up to 80%.
  • 2. Advanced Grease Technology - NSK lubricants that can extend grease life and performance.
  • 3. High Grade Balls - Quiet and smooth operation even at high speed.
  • 4. Super Finished Raceways - Specially honed to minimise noise and improve lubricant distribution and life.
  • 5. Contact Angle - Offered in 15, 25, 30 and 40 degree angles.
  • 6. Cages - Available in a range of Polyamide, steel and brass cage assemblies.
Single-Row Angular Contact Ball Bearings (Pressed Steel Cages & Machined Brass Cages)

Single-Row Angular Contact Ball Bearings (Pressed Steel Cages & Machined Brass Cages)

Since these bearings have a contact angle, they can sustain significant axial loads in one direction together with radial loads. Because of their design, when a radial load is applied, an axial force component is produced; therefore, two opposed bearings or a combination of more than two must be used.
Since the rigidity of single-row angular contact ball bearings can be increased by preloading, they are often used in the main spindles of machine tools, for which high running accuracy is required.
Usually, the cages for angular contact ball bearings with a contact angle of 30° (Symbol A) or 40° (Symbol B) are in accordance with Table 1, but depending on the application, machined synthetic resin cages or molded polyamide resin cages are also used. The basic load ratings given in the bearing tables are based on the cage classification listed in Table 1.

Table 1

Matched Angular Contact Ball Bearings

Matched Angular Contact Ball Bearings

The types and features of matched angular Contact Ball bearings are shown in Table 2

Table 2

Double-Row Angular Contact Ball Bearings

Double-Row Angular Contact Ball Bearings

This is basically a back-to-back mounting of two single-row angular contact ball bearings, but their inner and outer rings are each integrated into one. Axial loads in both directions can be sustained, and the capacity to sustain moments is good. This type is used as fixed-end bearings.
Their cages are pressed steel.
Four-Point Contact Ball Bearings

Four-Point Contact Ball Bearings

The inner ring is split radially into two pieces. Their design allows one bearing to sustain significant axial loads in either direction.
The contact angle is 35°, so the axial load capacity is high. This type is suitable for carrying pure axial loads or combined loads where the axial loads are high.
The cages are made of machined brass.
Steel Industry

Steel Industry

Mining & Construction

Mining & Construction

Papermaking Machinery

Papermaking Machinery

Wind Turbines

Wind Turbines

Semiconductors

Semiconductors

Machine Tools

Machine Tools

Gearboxes

Gearboxes

Electric Motors

Electric Motors

Pumps & Compressors

Pumps & Compressors

Injection Molding

Injection Molding

Motorcycles

Motorcycles

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