From: Temperature Field Simulation and Experimental Study of Anti-backlash Single-Roller Enveloping Hourglass Worm Gear
Density
ρo (kg/m3)
Kinematic viscosity
vo (cst)
Specific heat capacity
co (J/(kg·K))
Thermal conductivity
λo (W/(m·K))
873
101.8
1880
0.15