according to Agma 514.02

 

Load classification	U Uniform	M Medium	H High
Service Factors
F1 Prime mover	Electric motors Turbines	Piston engines 4 – 12 cilinders	Piston engines 1 – 3 cilinders
	U 1	U 1,5	U 1,8
	M 1,5	M 2,3	M 2,8
	H 2	H 3	H 3,5

 

Driven machines Special industries applications:
Foods	Paper	Chemical	Building	Rubber
U Centrifugal pumps	M Calenders	U Agitators	M Hoists	M Calenders
M Cane crushers	H Damping rolls	U Light centrifuges	M Concrete mixers	H Extruders
M Bottling filling machines	H Wet press	M Semi liquid agitators	M Road construction machinery	H Crushers
M Kneading Machines	H Drying cylinders	M Heavy centrifuges
Metal rolling mills	Metal working machines	Wood	Mining	Plastig
M Live mill table	U Machine tools auxiliary drivers	M Planing machines	M Main pumps	M Calenders
M cooling beds	M shears	H Saw frames	M Rails	M Extruders
H Cold rolling mills	M Machine tools main drives	H Barkers	M Winches	M Mixers
H Plate cutters	M Sheet metal bending		H Buket wheels
H Billet shears	H Presses, hanners, metal planing		H Power shovels
Paking	Machines tools	Mills	Textile	Oil industry
M Welding	U Auxiliary drivers	H Rotary drier	M Batchers	M Pipeline pumps
H Formings	M Main drivers	H Roller mill	M Willows	H Rotary Drilling equipment
H Wrappings		H Kilns	M Tranning vats printing
H Rollers		H Stamping mills	M Looms
General applications:
Compressors	Granes	Pumps	Conveyors	Fans
U Axial	U Travelling gear	U Centrifugal	M Apron drag conveyors	M Centrifugal
U Centrifugal	M Hoist gear	M Semi liquid centrifugal	M Elevators hoists	H Wind machine
M Turbo compressors	M Slewing gear	H Piston pumps	H Belt conveyors
H Piston compressors			H Inclined hoists

 

F2 Start per hour service factor
1 – 25	26 – 60	61 – 120	further
1	1,1	1,3	1,5

 

F3 Temperature service factor
35° C	36° – 55° C	56° – 75° C	76° – 85° C
1	1,1	1,2	1,4

 

For more specific figures it is recommended that AGMA 514.02 or similar reference should be consulted, or reference made to our technical department