Tec FCNDK90 50:1 Worm Gearbox – 35mm Bore, 90B14 Input

This Tec FCNDK90 50:1 worm gearbox is a modular right-angle reduction unit designed for applications needing slower output speed with stronger torque multiplication. With its 35mm hollow bore output and 90B14 IEC motor input, it suits feed screws, heavier conveyors, mixers, and process machinery requiring stronger torque output 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 50:1 reduction is a practical choice where buyers want an output speed of around 28rpm from a 4 pole motor, together with a 35mm hollow bore and 90B14 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: FCNDK90
Gear ratio: 50:1
Nominal output speed: 28rpm (with 4 pole 1400rpm motor, sf = 1)
Rated input power: 1.40kW (catalogue performance figure, sf = 1)
Nominal output torque: 339Nm
Maximum radial load Fr2: 5799N
Output bore: 35mm hollow bore
Motor input: 90B14 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: 13kg

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Internal Links & Compatible Options

Same gearbox size and ratio, different motor inputs: jump to the Tec FCNDK90 50:1 Worm Gearbox input option you need.

Need a different ratio? Explore the closest ratios around 50:1 in the FCNDK90 size.

Need a different gearbox size? Explore nearby 50:1 FCNDK sizes.

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

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Frequently Asked Questions

What output speed does a 50:1 FCNDK gearbox give?

In the TEC catalogue performance table, this FCNDK90 50:1 configuration is shown with a nominal output speed of about 28rpm 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 screws, heavier conveyors, mixers, and process machinery requiring stronger torque output, 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 FCNDK90, 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 90B14, and nearby compatible options are linked above.