Osteolysis following PE Wear of a Hastings Head on a Monoblock Hip Stem

Table 1

Diameters and negative diametral clearances of bearing components.

	Labelled [nominal] diameter in mm	Measured diameter in mm	Negative diametral clearance in μm
Femoral head	22 [22.225]	22.194	-124
Head liner	—	22.070
Outside bipolar head	36	36.054	-108
Cup liner	36	35.936