Any Bolt, Any Size, Any Configuration
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Certified to:
ISO9001
AS9100
AS9120
QSLD
QSLM Pending
MIL-HDB-57 Registered
ITAR & EAR Compliant

Sta-Lok Bearing Retaining

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                    APPLICATIONS    
    FEATURES AND BENEFITS        
 
  • Positive mechanical lock that is not dependent on lubricants or plating for repeatability.
  • Achieves precise preload - serrations provide adjustment that eliminates back-off or over-torque.
  • Maintains fatique strength at reduced weight.
  • External serrations in the nonload carrying portion of the thread elminates keyways allowing reduction of shaft wall thickness or diameter.
  • Keyway stress concentrations are eliminated.
  • Internal serrations of washer mates with serrated shaft.
  • SL60 series nut and washer supplied as separate components under NAS 1493 and NAS 1443 part numbers.
  • SL61 series washer incorporates an additional removal feature. 
     
  • Interference type - where there is high RPM and/or load reversals.
  • Where achieving precise preload is critical and existing nuts cannot provide adequate adjustment.
  • Where vibration is present.
  • Where weight reduction is a priority and shaft wall thickness or diameter can be reduced.
  • Where a positive mechanical lock is required. 
     
   

SERRATIONS - INTERFERENCE FIT 
Inference fit is provided by Shur-Lok Design.

THREAD SIZE 
.391 through 4.325 inch.

Metric sizes available on request.

    SHAFT BOLT SERRATIONS 
Broaching serrations of shaft/bolt is required. For installation and removal of locknuts and lockwashers contact Shur-Lok for technical sales bulletin TSB001.