Seria Crown 731 Oilfield Servicing Blocks Crosby®


Crown Blocks
• McKissick® Roll-Forged™ sheaves with flame hardened grooves.
• Double row pre-adjusted sealed tapered bearings mounted on a steel shaft.
• Heavy center and side plates for proper support of center pin.
• Pre-assembled units for rapid attachment to crown assembly for installation on derrick.
• On multiple sheave assemblies, one sheave can be grooved for sand line on request.
• Other sizes available upon request.



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