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SKU: WMU.250255100

WMU250255100 Metric Wrapped PTFE Lined Plain Bush 250x225x100mm

WMU250255100 Metric Wrapped PTFE Lined Plain Bush 250x225x100mm

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Description
Technical
Inside Diameter (d) 250mm
Outside Diameter (D) 225mm
Length (B) 100mm
Overall Length Tolerance 99.75mm min to 100.25mm max
Recommended Housing Size Tolerance 255mm min to 255.052mm max H7
Shaft Diameter Tolerance 249.928mm min to 250mm max
Inside Diameter when Fitted Tolerance 250.07mm min to 250.222mm max
Inside Chamfers Tolerance 0.2mm min to 1mm max
Outside Chamfers Tolerance 1.2mm min to 2.4mm max
Max PV - Dry 1.8 N/mm squared x m/s
Max PV - Oiled 2.8 N/mm squared x m/s
Max Static Load 250 N/mm squared
Max Dynamic Load 140 N/mm squared
Max Sliding Speed - Dry 2.5 m/s
Max Sliding Speed - With Oil 5 m/s
Operating Temperature -200 to 280 Deg C
Thermal Conductivity 42 W/mk
Coefficient of Friction - Dry 0.02 to 0.20
Coefficient of Friction - With Oil 0.02 to 0.15
Recommended Shaft Finish (Ra) 0.04 max N5
Recommended Shaft Hardness (HB) 200 min
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