Tec FCNDK40 40:1 Worm Gearbox – 18mm Bore, 56B5 Input

This Tec FCNDK40 40:1 worm gearbox is a modular right-angle reduction unit designed for applications needing slower output speed with stronger torque multiplication. With its 18mm hollow bore output and 56B5 IEC motor input, it suits feed systems, small lifts, dosing equipment, and slow-running 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 40:1 reduction is a practical choice where buyers want an output speed of around 35rpm from a 4 pole motor, together with a 18mm hollow bore and 56B5 motor interface.

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Why Choose This Configuration?

This higher-ratio version is normally selected where the application needs stronger torque multiplication and slower shaft speed than lower-ratio options can provide. It works well for feeders, mixers, transfer drives, and machinery with more demanding load conditions.

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Technical Details

Gearbox series: Tec FCNDK
Gearbox size: FCNDK40
Gear ratio: 40:1
Nominal output speed: 35rpm (with 4 pole 1400rpm motor, sf = 1)
Rated input power: 0.23kW (catalogue performance figure, sf = 1)
Nominal output torque: 41Nm
Maximum radial load Fr2: 2298N
Output bore: 18mm hollow bore
Motor input: 56B5 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: 2.3kg

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Internal Links & Compatible Options

Same gearbox size and ratio, different motor inputs: jump to the Tec FCNDK40 40:1 Worm Gearbox input option you need.

Need a different ratio? Explore the closest ratios around 40:1 in the FCNDK40 size.

Need a different gearbox size? Explore nearby 40:1 FCNDK sizes.

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

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Frequently Asked Questions

What output speed does a 40:1 FCNDK gearbox give?

In the TEC catalogue performance table, this FCNDK40 40:1 configuration is shown with a nominal output speed of about 35rpm 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 feed systems, small lifts, dosing equipment, and slow-running automation, and other machinery needing slower output speed with stronger torque multiplication in a compact right-angle drive.

Is the housing aluminium or cast iron?

For FCNDK40, 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 56B5, and nearby compatible options are linked above.