Design Multistage External Gear Pumps for Dry Sump Systems: Methodology and Application

Table 6

Input and output data for journal bearing calculation.

	Description	Value	Unit
Input	Minimum pump speed	1300	rpm
	Maximum temperature	130	C
	Dynamic viscosity	6.70	mPa s
	Maximum support load	1044.7	N
Output	Bearing length	21.0	mm
	Nominal radial clearance	0.016	mm
	Sommerfeld number	0.1661	—
	Relative eccentricity	0.5406	—
	Maximum eccentricity	0.0086	mm
	Minimum oil film	0.0074	mm