Balancing Accuracy Class
G4000
Having an odd number of cylinders rigidly mounted low-speed marine diesel engine crankshaft driven member
G1600
Rigid mounting of a large two-stroke engine crankshaft driven member
G630
Rigid mounting of large four-stroke engine crankshaft driven member
Resiliently mounted marine diesel engine crankshaft drive member
G250
Rigidly mounted four-cylinder diesel engine crankshaft speed driver
G100
Six-cylinder and multi-cylinder diesel engine crankshaft speed transmission parts; car, truck and locomotive engine machine
G40
Car wheels, wheels, wheels overall, drive shaft, resiliently mounted six-cylinder and multi-cylinder high-speed four-stroke engine crankshaft driven member
G16
Special requirements of the drive shaft (propeller shafts); pulverizer parts; agricultural machinery parts; individual parts of an automobile engine; six-cylinder and multi-cylinder engine crankshaft driven member special requirements
G6.3
Main turbine gear merchant ships, ocean-going vessel; and high-speed separation drum machine; fan; aero gas turbine rotor assembly; pump impeller; machine tools and general machinery parts; ordinary motor rotor; special requirements of individual parts of the engine
G2.5
Gas and steam turbines; machine driver; medium and large rotor special requirements; small motor rotor; turbopump
G1
Tape recorder and record player, CD, DVD drive member; a small armature special requirements; grinder drive member
G0.4
Precision grinding spindle; rotor; gyroscope