Tramec XC75 10:1 Worm Gearbox – 28mm Hollow Bore
This Tramec XC75 10:1 worm gearbox is a compact X-series right-angle worm gearbox with a 28mm standard hollow output bore. The XC version is the compact IEC motor-mount format, designed for machinery where a short input assembly, reliable speed reduction and clean motor fitment are required.
This listing is for the gearbox only with selectable IEC motor input options. No electric motor is included unless stated separately.
Gearbox Overview
The XC75 size uses Tramec’s compact motor input arrangement and a hollow output shaft for direct shaft mounting. With a 10:1 reduction ratio, this model gives an approximate output speed of 140rpm from a 1400rpm input, making it suitable for applications requiring controlled right-angle speed reduction.
Why Choose This Configuration?
This exact configuration is best suited to buyers who need a Tramec XC75 gearbox with a 10:1 ratio, 28mm hollow bore and one of the listed IEC motor input options. At 1400rpm input speed, catalogue output speed is approximately 140rpm, with 176 Nm geared-motor output torque, 3 kW recommended motor power and a catalogue service factor of 1.1.
Technical Details
Brand: Tramec
Series: X Series XC compact worm gearbox
Gearbox size: XC75
Gear ratio: 10:1
Input speed reference: 1400rpm
Catalogue output speed n2: 140rpm
Dynamic efficiency Rd: 0.86
Thermal power Pt0: 2.3 kW
Maximum gearbox torque T2M: 193 Nm
Gearbox input capacity P: 3.3 kW
Geared motor output torque T2: 176 Nm
Recommended motor power P1: 3 kW
Catalogue service factor FS’: 1.1
Standard hollow output bore: 28mm
Output shaft style: Hollow output shaft
Input style: XC compact IEC motor mounting
Available motor inputs: 90B14, 90B5, 100B14, 100B5, 112B14, 112B5
Housing material: Die-cast aluminium
Housing finish: Sand-blasted aluminium housing
Mounting positions: B3, B6, B7, B8, V5 and V6
Lubrication: Synthetic PAG-base lubricant, ISO VG320, supplied as standard for this X-series size
Approximate gearbox weight: 9kg
Key Dimensions
The main catalogue dimensions below are written in customer-friendly terms, with the original Tramec catalogue letter shown in brackets for reference.
Output flange overall width (A): 176mm
Output flange mounting width (B): 112mm
Hollow output bore length (C): 60mm
Standard hollow output bore diameter (D2): 28mm
Output-side body depth (E): 86mm
Output locating register diameter (G): 95mm
Overall gearbox height (H): 219.5mm
Shaft-mounted flange outside diameter (R): 115mm
Available Motor Input Options
Select the required motor input from the dropdown. B14 options use the compact face/flange motor connection, while B5 options use the larger flange motor connection. The motor input selection changes the IEC input interface only; the gearbox remains the same XC75 10:1 unit with the standard 28mm hollow output bore.
- 90B14: IEC 90 B14 compact face/flange motor input with 24mm PAM input bore
- 90B5: IEC 90 B5 large flange motor input with 24mm PAM input bore
- 100B14: IEC 100 B14 compact face/flange motor input with 28mm PAM input bore
- 100B5: IEC 100 B5 large flange motor input with 28mm PAM input bore
- 112B14: IEC 112 B14 compact face/flange motor input with 28mm PAM input bore
- 112B5: IEC 112 B5 large flange motor input with 28mm PAM input bore
Typical Applications
- Conveyors and material handling systems
- Packaging, processing and automation machinery
- Industrial drive assemblies and OEM machine builds
- Compact right-angle gearbox replacements
- General speed reduction where a hollow bore output is required
Internal Links & Compatible Options
Same gearbox size, nearby ratios: explore other Tramec XC75 ratio options.
Same ratio, nearby gearbox sizes: compare other Tramec XC sizes with a 10:1 ratio.
More Tramec options: Browse all Tramec XC75 worm gearboxes Browse all Tramec worm gearboxes
Helpful calculators: Gearbox Ratio & Speed Calculator | Output Torque Calculator
Frequently Asked Questions
What does a 10:1 worm gearbox do?
A 10:1 worm gearbox reduces the input speed through a compact right-angle transmission arrangement. On this model, the catalogue output speed is approximately 140rpm when driven from a 1400rpm input.
What motor inputs are available for this gearbox?
This Tramec XC75 10:1 gearbox is listed with the following motor inputs: 90B14, 90B5, 100B14, 100B5, 112B14, 112B5. Choose the input that matches the IEC frame and flange style of your motor.
What is the standard output bore?
The standard hollow output bore for this gearbox size is 28mm. Optional alternative bores may exist in the wider Tramec range, but this product sheet uses the standard bore only for clean WooCommerce variation handling.
Is a motor included?
No. This product is a gearbox-only listing. The dropdown selection is for the gearbox motor input interface, not a supplied electric motor.
What is the approximate gearbox weight?
The approximate catalogue gearbox weight used for this import is 9kg.
Need help choosing the correct Tramec XC75 gearbox? Contact Worm Gear Motors Online with your existing gearbox code, motor frame size, ratio and bore requirement and we can help confirm the correct replacement or new installation option.
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