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Bonfiglioli · Shaft Mount Reducers

Bonfiglioli TA Series Shaft Mount Reducers

Rugged shaft-mounted reducers for quarry, mine and aggregate conveyors: 10 sizes from 150 to 16,000 Nm, with a backstop option for inclined belts.

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Overview

The Bonfiglioli TA Series is a long-established shaft mount reducer for quarry, mine and aggregate conveyors, where reliability and low maintenance matter most. The reducer hangs directly on the driven shaft and is held by a torque arm, so there are no couplings to align. A backstop option prevents back-driving on inclined conveyors.

The TA can be supplied as a reducer or completed with a Bonfiglioli IEC or compact asynchronous motor for a complete drive. Gordon Russell also carries Radicon Series J and F and WorldWide Electric SMR shaft mount reducers, so we can match the right unit to your conveyor. Compare all shaft mount reducers.

Series

TA Series · Shaft Mounted Gear Units

An essential, sturdy design with a cast iron housing, built for continuous conveyor duty.

  • 10 sizes: TA 30 to TA 125
  • 150 to 16,000 Nm (1,327 to 141,611 lb-in)
  • Ratios 5 to 33.2
  • Up to 226 kW transmissible power
  • Three bore options for each output shaft size
  • Options: backstop, fluoroelastomer seals

Typical applications: aggregate and mining belt conveyors, screw conveyors, bucket elevators and raw material handling.

Bonfiglioli TA Series shaft mount reducer

Specifications

SizeTorque rating (Nm)
TA 30150
TA 35400
TA 40900
TA 451,360
TA 502,100
TA 603,500
TA 704,900
TA 806,600
TA 10010,500
TA 12516,000
Torque range150 to 16,000 Nm (1,327 to 141,611 lb-in)
Gear ratios5 to 33.2
Transmissible powerUp to 226 kW
HousingCast iron
OutputShaft mounted, three bore options per output shaft size
OptionsBackstop, fluoroelastomer seals
MotorsBonfiglioli IEC and compact asynchronous motors

Torque by size from Bonfiglioli's published TA Series torque chart. Confirm final selection with a Gordon Russell application engineer.

TA Series Catalogs & Manuals

The TA Series product catalogue. A TA spare parts list is also available on request. Send us the size and ratio from the nameplate and we will send it.

DocumentTypeDownload
Shaft Mount Reducers
Bonfiglioli TA Series Shaft MountCatalogPDF

1 documents.

Looking for other shaft mount literature? Browse all industrial gearbox catalogs and manuals.

Frequently Asked Questions

Do I need a backstop?

On an inclined conveyor, yes. The backstop stops the loaded belt from running backwards when the drive stops. It is an option on the TA Series, so tell us the conveyor incline when you ask for a quote.

What bore sizes are available?

Each TA output shaft size comes with three bore options. Send us the diameter of the driven shaft and we will confirm the size and bore.

Can a TA replace the shaft mount reducer I have now?

Often, yes. Send us the make, model, ratio and bore of the existing reducer. We also carry Radicon Series J and WorldWide Electric SMR reducers (interchangeable with Dodge TXT), so we can offer the closest fit.

Can you supply the motor and drive package?

Yes. We can supply the TA with a Bonfiglioli motor, or package it with TECO-Westinghouse or WorldWide Electric motors and VFDs.

Service & Support

Gordon Russell supplies TA reducers, torque arms, backstops and spare parts, and our shop rebuilds most gearbox brands and sizes. For parts or a rebuild, send us the size, ratio and serial number from the nameplate using the form below.

Request a Quote

Tell us the conveyor duty: motor power and speed, required output speed or ratio, driven shaft diameter, incline (for a backstop) and hours per day. Or send the nameplate from the reducer you are replacing. A Gordon Russell specialist will follow up with sizing, pricing and lead time.
Request a Quote