Tec FCNDK90 7.5:1 Worm Gearbox – 35mm Bore, 80B5 Input

This Tec FCNDK90 7.5:1 worm gearbox is a modular right-angle reduction unit designed for applications needing higher output speed with lighter torque multiplication. With its 35mm hollow bore output and 80B5 IEC motor input, it suits conveyors, process drives, handling systems, and continuously operated machinery 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 7.5:1 reduction is a practical choice where buyers want an output speed of around 187rpm from a 4 pole motor, together with a 35mm hollow bore and 80B5 motor interface.

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Why Choose This Configuration?

Buyers generally choose this lower-ratio configuration where they want to keep more output speed while still gaining useful reduction and torque multiplication. It is well suited to conveyor, transfer, packaging, and handling drives where faster shaft speed is preferred over very high reduction.

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Technical Details

Gearbox series: Tec FCNDK
Gearbox size: FCNDK90
Gear ratio: 7.5:1
Nominal output speed: 187rpm (with 4 pole 1400rpm motor, sf = 1)
Rated input power: 6.30kW (catalogue performance figure, sf = 1)
Nominal output torque: 287Nm
Maximum radial load Fr2: 3081N
Output bore: 35mm hollow bore
Motor input: 80B5 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 7.5:1 Worm Gearbox input option you need.

Need a different ratio? Explore the closest ratios around 7.5:1 in the FCNDK90 size.

Need a different gearbox size? Explore nearby 7.5:1 FCNDK sizes.

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

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Frequently Asked Questions

What output speed does a 7.5:1 FCNDK gearbox give?

In the TEC catalogue performance table, this FCNDK90 7.5:1 configuration is shown with a nominal output speed of about 187rpm 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 conveyors, process drives, handling systems, and continuously operated machinery, and other machinery needing higher output speed with lighter 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 80B5, and nearby compatible options are linked above.