Company Profile

Device tools and other precision applications need superior bearing performance. Prolonged speed capability, a high degree of running precision, high system rigidness, low heat generation, along with low noise and vibration levels are simply some of the obstacles.
Rolling bearings for general industrial applications can only partially meet these requirements. Therefore, SKF produces a thorough variety of super-precision bearings.
SKF super-precision bearings help original equipment manufacturers and end users to additional enhance efficiency parameters of their equipment and applications. The benefits vary depending on the bearing series and applications however consist of high speed and load bring ability, long bearing life span, long upkeep periods and low energy usage.
Normal applications for super-precision bearings are:
metal cutting and woodworking machinery spindles
other maker spindles (e.g. stabilizing devices).
high speed rolling mills.
printing equipment.
accuracy ball screws.
live centres.
high speed turbochargers.
air pump.
racing cars.
boat gyrostabilizers.
maker parts for the semiconductor industry.
To search by product designation or dimensions, please usage Product search listed below. Or, see the Item tables in the left column.

Company Details

  • 98740651
  • North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe, Central America, Northern Europe, Southern Europe
  • 78
  • 1236987
  • 1999
  • 003321410510.25440022


Precision ball bearings are used for high precision applications in a variety of markets, including aerospace, health, machine tool, robotics and general industry.

Super precision bearings manufactured to MM/MMV tolerances combine the accuracy and performance of ABEC 9/ISO P2 with the non-critical features of ABEC 7/ISO P4 levels for cost effectiveness.

Super high-speed angular contact ball bearings (Machine Tool Bearings)
Type MMX super precision bearings are made to ABEC 9/ISO P2 levels and have closer tolerances and running accuracies than ABEC 7/ISO P4 tolerances. Ideal for ultra-high speed grinding spindles designed for tight dimensional tolerances and super-fine surface finishes.

Eco-friendly high-speed angular contact ball bearings(Machine Tool Bearings)
Type HX delivers excellent running accuracy and are manufactured to precise ABEC9 (ISO P2) levels for runout tolerances.

Ceramic  Low Heat Generation Precision Bearings
Ceramic hybrid angular contact ball bearings combine steel rings with ceramic rolling elements to deliver higher spindle speeds and increased dynamic radial stiffness.

Ball Screw Support Bearings
Ball screw support bearings are available in single- and double-row configurations and are widely used in motion control applications.

Miniature Free Choice of Arrangement Precision Bearings
Miniature and instrument bearings are used in medical and industrial handpieces and other precision applications. Ball bearing designs include radial, angular contact, thrust and pivot.

Thin Section High Accuracy Precision Bearings
Thin section bearings are available in radial, angular contact and fractured race designs and are used in precision applications such as gimbals, rotary joints and robotics.


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