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Shaft Clamp CollarWhittet-Higgins one-piece shaft clamping collars are slit from outside diameter to bore with the two sides of the slit are joined by a hardened alloy socket head screw, allowing users to pull the two sides together, reducing the overall bore diameter and securely fastening the collar to the shaft or spindleBenefits:--Self-Locking--Allows quick axial adjustment and securing of bearing & other power transmission components--Prevents assemblies from loosening by forces of vibration, shock-loading, and torque--Provides infinite adjustment and preloading --Black oxide coating with wax finish to inhibit corrosion--Eliminates expensive cutting of shaft keyway--Effective on both soft and hardened shafts--Manufactured in USA--RoHS CompliantApplications:--Lower speed assemblies where dynamic balance is not required--Where balanced assembly not required--Shaft stops and shoulder in linear actuators--Mining, mineral extraction, and drilling operations--Slow speed rolls in processing equipment--Numerous other machinery and equipment applicationsSpecifications:--Max. Outside Diameter: 57.2--Max. Thickness: 15.1--Bore Size: 32.0--Max. Operating Temperature: 350°F--Materials: Collar - Carbon Steel / Fasteners - Hardened AlloyEngineering support and CAD drawing models available at manufacturer's website.