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
forcers 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 P5, P4, P2
or ABEC5, ABEC7, ABEC9
- One-part solid phenolic retainer
- Larger number of balls than in standard ball bearings
- Contact angle 15° (other angles available upon request)
- Available with steel ball 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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