alpha Advanced Line

SK+

Hypoid gearbox

The low-backlash hypoid gearboxes with SP+-compatible output geometry. The SK+ gearboxes are not only suitable for a wide range of applications thanks to their high precision and efficiency, but also impress with their ability to combine output options. An optional planetary pre-stage can also be used to achieve particularly high drive speeds.

3 – 100

Ratio

20 – 768 Nm

Max. torque

≤ 4 arcmin

Backlash

Compactness

The axially short, right-angled design enables even more compact machine concepts

Flexibility

Broad modular system of variable (also rear) output connections and various gear ratio combinations

Consistently smooth running

Constant backlash and low operating noise over the entire gearbox service life

Technical details

Product typeSK+
DesignMF
Ratio3 – 100
Number of sizes5
Max. backlash c)jt≤ 4 arcmin
Max. torqueT20 – 768 Nm
Max. input speedn1Max7500 rpm
Torsional rigidityCt2179 Nm/arcmin
Max. tilting momentM2KMax3213 Nm
c) In relation to reference sizes
Output shape
Smooth shaft
Shaft with key d)
Splined shaft (DIN 5480)
Output on both sides
Input shape
Motor-mounted
Characteristic
ATEX (2014/34/EU) a)
Food-grade lubrication a) b)
Corrosion-resistant a) b)
System solutions
Linear system (rack / pinion)
Accessory (for more information, see the relevant product pages)
Coupling
a) Performance reduction: Technical data available on request
b) Please contact WITTENSTEIN alpha
d) Performance reduction: For detailed sizing, please use our cymex® design software
Document name Document type Language Downloads
SP+, TP+, HG+, SK+, SPK+, TK+, TPK+, SC+, SPC+, TPC+, VH+, VS+, VT+, DP+, HDP+

Catalog alpha Advanced Line

SP+, TP+, HG+, SK+, SPK+, TK+, TPK+, SC+, SPC+, TPC+, VH+, VS+, VT+, DP+, HDP+

Brochure /Catalog American English
SK+, SPK+

Technical data / Dimension sheets SK+ / SPK+

SK+, SPK+

Brochure /Catalog Neutral
Technical documents SK+ / SPK+ / SC+ / SPC+ / HG+

alpha Advanced Line

Technical documents SK+ / SPK+ / SC+ / SPC+ / HG+

Operating manual Neutral

Sealing Plate

Operating manual Neutral
Operating Manual SK+ ATEX

alpha Advanced Line

Operating Manual SK+ ATEX

Operating manual (ATEX) Neutral

Ordering code / CAD data SK+

CAD / CAE Neutral

Contact us

Would you like to learn more about our solutions?
We would be happy to advise you—personally, competently, and tailored to your requirements.

Space-saving angular precision with output shaft

Tapered roller bearings for absorbing axial and radial forces
Variable output connection, also reverse
High-quality hypoid gearing for increased torque and smooth running
Output SP+ compatible
Metal bellows coupling on the input: length compensation to protect the motor bearing

Further Information

The diverse output options of hypoid gearboxes offer flexible options for application connection, from shafts to splined shafts to hollow shaft interfaces.

The SK+ for coordinated pinion-rack systems for medium to high requirements. Typical areas of application in wood, plastic, and composite processing, in machining centers, or in automation.

Read more

alpha Advanced Line gearboxes with increased resistance and food-grade lubrication available.

With cynapse® and smart services, you can unleash the full potential of your drive system: sensor data is processed, visualized, and analyzed intelligently. Find out how the combination of gearboxes with cynapse® and our smart services can make your digital production faster, safer, and more efficient.

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Optimize your value chain: Utilize the combination of gearboxes and accessories in a complete package to streamline your internal processes. Find the right metal bellows couplings for our products.

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