Tec FCNDK25 20:1 Worm Gearbox – 14mm Bore, 56B14 Input

This Tec FCNDK25 20:1 worm gearbox is a modular right-angle reduction unit designed for applications needing balanced reduction with practical output speed and useful torque increase. With its 14mm hollow bore output and 56B14 IEC motor input, it suits compact conveyors, transfer systems, metering equipment, and general automation where dependable mechanical reduction and compact layout are important.

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Gearbox Overview

This gearbox uses the TEC FCNDK modular format, allowing straightforward matching to IEC motors while keeping a compact right-angle footprint. The 20:1 reduction is a practical choice where buyers want an output speed of around 70rpm from a 4 pole motor, together with a 14mm hollow bore and 56B14 motor interface.

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Why Choose This Configuration?

This mid-range ratio is commonly chosen when buyers need a balanced reduction that slows the output without making the machine excessively slow. It is a strong all-round option for general machinery, conveyors, packaging equipment, and process systems.

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Technical Details

Gearbox series: Tec FCNDK
Gearbox size: FCNDK25
Gear ratio: 20:1
Nominal output speed: 70rpm (with 4 pole 1400rpm motor, sf = 1)
Rated input power: 0.12kW (catalogue performance figure, sf = 1)
Nominal output torque: 12Nm
Maximum radial load Fr2: 697N
Output bore: 14mm hollow bore
Motor input: 56B14 IEC flange input
Housing material: pressure die-cast aluminium housing
Mounting positions: B3, B6, B7, B8, V5, V6
Lubrication: supplied with synthetic long-life oil grade ISO VG 320 and does not require a breather plug
Approximate gearbox weight: 0.7kg

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Internal Links & Compatible Options

Need a different ratio? Explore the closest ratios around 20:1 in the FCNDK25 size.

Need a different gearbox size? Explore nearby 20:1 FCNDK sizes.

Helpful calculators:
Gearbox Ratio & Speed Calculator |
Output Torque Calculator

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Frequently Asked Questions

What output speed does a 20:1 FCNDK gearbox give?

In the TEC catalogue performance table, this FCNDK25 20:1 configuration is shown with a nominal output speed of about 70rpm when used with a 4 pole 1400rpm motor at service factor 1.

What is this gearbox commonly used for?

This gearbox is commonly used for compact conveyors, transfer systems, metering equipment, and general automation, and other machinery needing balanced reduction with practical output speed and useful torque increase in a compact right-angle drive.

Is the housing aluminium or cast iron?

For FCNDK25, the catalogue lists the housing as pressure die-cast aluminium housing.

Does this gearbox come with lubricant?

According to the TEC FCNDK catalogue summary, this size is supplied with synthetic long-life oil grade ISO VG 320 and does not require a breather plug.

Can I fit different IEC motor inputs to the FCNDK range?

Yes. The FCNDK range is based on a modular format system and is designed to accept IEC motor inputs. This product is configured for 56B14, and nearby compatible options are linked above.