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GRW High Precision Ball Bearings

High precision ball bearings in grades up to ABEC 9 with bores from 1 to 30mm and comparable inch dimensions

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Inch/Metric Bearing
Tolerance:
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Desired Outer Diameter
Material
Type
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spindle/angular contact ball bearings

Spindle ball bearings are angular contact ball bearings which, depending on the type, have a relieved land on the inner ring (AC2) or the outer ring (AC1). Axial forces can thus only be accepted in one direction. Spindle ball bearings can be used as single ball bearings or as ball bearing pairs in back to back, face to face or tandem arrangement.

GRW spindle ball bearings have the following characteristics:

  • Production in high precision quality (grade PS, P4, P2 or ABEC5, ABEC 7, ABEC9)
  • One part solid phenolic retainer (TA, TB, see ‘Retainers for Miniature Ball Bearings’) [NOTE – PUT A LINK TO THE RELEVANT PAGE]
  • Larger number of balls than a standard ball bearing
  • Contact angle 15o (other angles available upon request)
  • Available with steel balls or ceramic balls
  • The preload for ball bearing pairs is selected according to the applied load (light, medium or heavy preload)
  • Spindle ball bearings are generally lubricated with oil

These characteristics allow the ball bearings to run very accurately at high speeds. At the same time these ball bearings are very rigid and have minimum vibration levels:

The standard type is: 
                                        AC1 TA

Relieved on outer ring shoulder, ball bearing cannot be disassembled, solid phenolic retainer guided on outer ring.

Other types including ball bearings with removable inner rings are available upon request. 

 

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