Factor of Tooth Influence fd2 on Bearings

Influence of a gear drive to increasing the radial force (the factor of additional forces originated from acting of machines between which the gear drive is incorporated).

Machine type

f d2

Electric rotary machines, turbines, turbo-compressors(machines working without shocks)

1 - 1.2

Railway and piston engines

1.2 - 1.5

Belt conveyors, rope ways, pumps, fans

1 - 1.2

Cranes, elevators, mine fans

1.2 - 1.4

Mine elevators and pumps

1.5 - 1.8

Piston pumps and compressors

1.2 - 1.5

Ball, tube, and hammer mills, breakers

1.5 - 1.8

Machines for soil removing, deep drilling machines

1.5 - 2.5

Drying drums

1.3 - 1.5

Paper and textile machines

1 - 1.5

Machines for food processing

1.1 - 1.5

Grinding, drilling and milling machines, circular, band and frame saws, wood-working machines

1.1 - 1.3

Lathes, planers, cutting machines with reversible movement

1.4 - 1.6

Roller beds with reversed movement, machines for wire drawing, cold rolling mills, rubber calendars, hammers, sheet shears, stamping machines

1.3 - 2

Roughing mills, sheet mills (load with gear shocks)

1.5 - 3