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No lubrication: 1.65  periodic lubrication: 3.25 
The point of such thrust load, please use in combination with OILES # 500SP washer. If you want to use a washer of SPW fit, because the inner diameter is larger than the shaft diameter, is positioned in the countersunk screws always, please fix.
Allowable Maximum Surface Pressure P (N/mm2[kgf/cm2])