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

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Silverthin Bearing SD 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 SD Series - Type X
Dynamic Axial 3526 to 12604 lbs (1599 to 5716 kg)
Design Units Inch
Type Four Point Contact
Outer Ring Width 0.5000 inch (12.700 mm)
Static Radial 7702 to 52162 lbs (3493 to 23656 kg)
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