What KBK Drive Technology does

KBK Antriebstechnik GmbH is a German specialty manufacturer of precision drive technology components, headquartered in Klingenberg am Main, Germany, and operating since 2003 with 51-100 employees. The company produces a modular portfolio of mechanical couplings (Kupplungen) under a 'Baukastensystem' (building block system) covering metal bellows couplings, slit couplings, elastomer couplings with multiple hub variants, line shafts (Distanzkupplungen) up to 3000mm, cardan couplings (Gelenkkupplungen), oldham couplings, rigid shaft couplings, safety/torque-limiting couplings, magnetic couplings, friction clutches, shaft-hub connections, collars, and measuring gearboxes, plus a dedicated stainless steel range for food and pharmaceutical applications. All products are manufactured entirely in-house in Germany from development through production, supported by ISO 9001:2015 certified quality management with annual audits.

The company sells through a direct sales team and a worldwide network of sales partners and representatives covering Europe, North America, South America, Asia, New Zealand & Australia, and the Middle East & Africa. Pricing is quote-based rather than list-priced, with products manufactured to customer-specified dimensions such as millimeter-precise line shaft lengths, and with engineering integration enabled through free STEP data and configurable 3D CAD models delivered via a CADENAS partnership. The end customer base spans industrial manufacturers using drive and automation technology for positioning, synchronization, and power transmission, with a secondary segment in hygiene-critical food and pharmaceutical applications.

KBK is privately held as a Gesellschaft mit beschränkter Haftung (GmbH), with Sven Karpstein identified as Geschäftsführender Gesellschafter (managing partner). The company shows no external funding, no subsidiaries, no M&A activity, and no disclosed revenue in the available material; operating signals include an active 2026 trade fair calendar, quarterly customer newsletter, and social media presence on LinkedIn, Instagram, and Facebook.

Name

KBK Drive Technology

Legal name

KBK Antriebstechnik GmbH

Website

https://kbk-antriebstechnik.de

Company type

Private

Founded year

2003

Operating status

Operating

Headcount range

51–100 employees

Short description

KBK Antriebstechnik GmbH is a German precision manufacturer of mechanical couplings — metal bellows, elastomer, slit, cardan, line shafts, safety, and magnetic couplings — produced entirely in-house in Klingenberg am Main and sold worldwide via direct sales and a partner network to industrial drive and automation customers, including a stainless steel range for food and pharmaceutical use.

Ownership category

akta.pro rank

Product category

Industrial Couplings & Power Transmission Components

NAICS

Speed Changer, Industrial High-Speed Drive, and Gear Manufacturing (333612)

akta.pro primary industry

Brakes, Clutches & Couplings (Electromagnetic Brakes, Torque Limiters) (IMAGACAK)

Keywords

• Precision couplings manufacturing
• Mechanical drive components
• Metal bellows couplings
• Power transmission products
• Servo drive couplings

Headquarters

HQ city

Klingenberg Am Main

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Operations, Supply Chain, Technology or R&D, Marketing or Sales, Infrastructure

Revenue model

1. Industrial Coupling Products: Sale of precision couplings and power transmission components including metal bellows couplings, slit couplings, elastomer couplings, cardan couplings, line shafts, safety couplings, magnetic couplings, shaft hub connections, collars, and measuring gearboxes. Products are manufactured to customer-specified dimensions with short delivery times.

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels7 records

Core offering

KBK Antriebstechnik GmbH manufactures precision mechanical couplings and drive technology components — including metal bellows couplings, slit couplings, elastomer couplings, line shafts (Distanzkupplungen), cardan couplings, safety couplings, magnetic couplings, friction clutches, shaft-hub connections, collars, measuring gearboxes, and a stainless steel range — for industrial power transmission, positioning, and servo drive applications. All products are developed and produced entirely in-house at the Klingenberg am Main, Germany facility, with millimeter-precise customization and short delivery times enabled by a modular Baukastensystem.

Product overview

KBK Antriebstechnik GmbH is a German manufacturer of precision drive technology components. Their product portfolio centers on a modular coupling system ('Baukastensystem') that includes multiple coupling types as core products: Metallbalgkupplungen (Metal Bellows Couplings), Schlitzkupplungen (Slit Couplings including KBFK and KBFH variants), Elastomerkupplungen (Elastomer Couplings with variants KBE1, KBE2, KBE2C, KBE2H, KBE2HC, KBE2D, KBE3, KBE3C, KBE4), Distanzkupplungen/Line Shafts (DRB, DRF, DRE), Gelenkkupplungen/Cardan Couplings (GK, GK-T, GK-TH), and accessory products including ZK/ZKES toothed rings. The company also offers Sicherheitskupplungen (Safety Couplings), Magnetkupplungen (Magnetic Couplings), Rutschkupplungen (Friction Clutches), Spannsätze (Shaft Hub Connections), Klemmringe (Collars), Messgetriebe (Measuring Gearboxes), and a complete Edelstahlprogramm (Stainless Steel Range) for food and pharmaceutical applications. All products are manufactured in-house in Klingenberg am Main, Germany, with CAD models available through CADENAS partnership.

Differentiator

Problem solved

Functional benefit

Products and services

• Metallbalgkupplungen (Metal Bellows Couplings) High-performance metal bellows couplings for torsionally rigid, backlash-free torque transmission in precision drives and positioning applications.
• Schlitzkupplungen (Slit Couplings) Slit couplings with unique slit structures in different angular positions that compensate shaft misalignments and transmit high torques at compact dimensions. Backlash-free with high rigidity for positioning accuracy in dynamic drives; stainless steel variants available for food and pharmaceutical applications.
• Elastomerkupplungen (Elastomer Couplings) Elastomer couplings with toothed crowns available in different Shore hardness grades (64ShD, 98ShA, 92ShA, 80ShA), enabling characteristics from highly vibration-damping to particularly torsionally rigid. Pre-loaded tooth crowns make variants backlash-free and servo-suitable. Available in multiple hub configurations and compact versions.
• Distanzkupplungen (Line Shafts) Backlash-free distance couplings / line shafts manufactured to exact millimeter-precise customer-specified lengths up to 3000mm. Precision aluminum tubes enable high performance for synchronizing linear units or lifting gear.
• Gelenkkupplungen (Cardan Couplings) Cardan-joint-based couplings with very fine adjustment of bolts and bushings minimizing play for positioning applications. Capable of compensating very high shaft misalignment with minimal restoring forces in very compact design space.
• Kreuzschieberkupplungen (Oldham Couplings) Oldham couplings providing precise low-backlash connection of two components in positioning applications.
• Schalenkupplungen (Rigid Shaft Couplings) Rigid shaft couplings for secure shaft-hub connections in drive technology applications.
• Sicherheitskupplungen (Safety Couplings / Torque Limiters) Safety couplings and torque limiters that protect machine components by disengaging or limiting torque under overload conditions.
• Magnetkupplungen (Magnetic Couplings) Magnetic couplings for hermetically sealed drive solutions.
• Rutschkupplungen (Friction Clutches) Friction clutches providing controlled torque transmission with slip behavior under overload.
• Spannsätze (Shaft-Hub Connections) Locking assemblies / shaft-hub connections for secure and backlash-free connection of shafts to hubs.
• Klemmringe (Collars) Clamping rings / collars for shaft-hub connections in drive technology assemblies.
• Messgetriebe (Measuring Gearboxes) Measuring gearboxes for precise position and angle measurement in drive and automation systems.
• Edelstahlprogramm (Stainless Steel Range) Stainless steel versions of all coupling types for hygienic applications in the food sector and pharmaceutical technology.

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature13 records

Scale indicators2 records

Recent moves5 records

Expansion highlights4 records

Broad incumbents

• Flender (Siemens): Siemens-owned German mechanical power transmission specialist offering couplings (N-EUPEX, BIPEX, ELPEX, Rupex), gear units, and generators at significantly larger scale. Overlaps with KBK's coupling portfolio but as part of a much broader drivetrain offering.
• Voith: Large German engineering group active in power transmission, drivetrain, and industrial couplings. Broader portfolio than KBK (turbines, paper machinery, digital industrial) but overlaps in industrial drive and coupling applications.
• Schaeffler: German industrial conglomerate with bearings, linear guidance, and a power transmission product line that includes couplings. Competes in the same customer applications (drives and automation) with significantly greater R&D, scale, and OEM penetration.

Direct peers

• Lovejoy (Timken): Lovejoy is a coupling brand under The Timken Company offering jaw, gear, disc, and flexible couplings for industrial power transmission. Direct comparable in product category and channel to industrial machinery OEMs.
• KTR Systems: German-based manufacturer of mechanical power transmission components including a broad range of couplings (ROTEX, BoWex, Radex), safety clutches, and torque limiters. Most direct comparable given shared German 'Mittelstand' origin, similar modular coupling portfolio, and global industrial OEM customer base.
• NBK (Nabeya Bi-tech Kaisha): Japanese precision coupling manufacturer offering metal bellows, slit, elastomer, and disc couplings for servo and stepper motor applications. Direct competitor in the same precision coupling category with comparable servo-suitable, backlash-free product positioning.
• Miki Pulley: Japanese maker of flexible, jaw, and servo couplings plus shaft couplings and torque limiters. Comparable mid-sized specialty coupling supplier serving factory automation and precision machinery OEMs globally.
• R+W Antriebselemente: German precision coupling specialist (metal bellows, elastomer, safety, line shaft) with comparable product depth in backlash-free servo couplings and global distribution. Closest head-to-head competitor to KBK in precision positioning applications.
• Huco Dynatork: Precision coupling brand now part of Regal Rexnord's Industrial Powertrain Solutions segment. Comparable product portfolio of precision servo couplings, elastomer, and metal bellows couplings serving motion control OEMs.
• Mayr Antriebstechnik: German manufacturer of safety clutches, torque limiters, and backlash-free servo couplings. Comparable in 'Made in Germany' positioning, ISO quality systems, and focus on safety/precision applications; overlapping product lines include Sicherheitskupplungen and Elastomerkupplungen.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks5 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/kbk.antriebstechnik
• LinkedInlinkedin.com/company/kbk-antriebstechnik
• Instagraminstagram.com/kbk_antriebstechnik

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about KBK Drive Technology