Dynamic Characteristics of Air Cycle Machine Rotor System

Table 1

: Main structural sizes for bearing.

Geometric parameters	Symbol	Value
Bearing width (mm)	L	34
Inner diameter (mm)	D	25
Radial clearance (mm)	C	0.04
Single-row radial hole number (−)	N1	10
Single-row thrust hole number (−)	N2	16