National Precision Bearing, Inc. Silverthin Bearing SF Series - Type X


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Silverthin Bearing SF Series - Type X
The X-Type, or 4-point contact, ball bearing is ideal for moment loading. X-Type bearings are designed with gothic arch raceways creating 4 contact points between the balls and the raceways. This design is excellent for moment loading and reversing axial loading. The X-Type bearing can be used for other light loading conditions, but is not recommended in place of the C- or A-Type bearing for pure radial loads. When specifying this type of bearing for use with axial or moment loads combined with radial loads application speed (rpm) is a real concern. Please contact SilverThin engineering for information on combined load and limiting speeds.
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Technical Specifications

  National Precision Bearing, Inc.
Product Category Ball Bearings
Product Name Silverthin Bearing SF Series - Type X
Dynamic Axial 6835 to 26221 lbs (3100 to 11892 kg)
Design Units Inch
Type Four Point Contact
Outer Ring Width 0.7500 inch (19.050 mm)
Static Radial 13407 to 100902 lbs (6080 to 45761 kg)
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