Lovejoy

What Lovejoy does

Lovejoy, founded in 1927 and headquartered in Downers Grove, Illinois, is a global manufacturer of industrial couplings, universal joints, and related power-transmission components. The company's product portfolio spans flexible shaft couplings (QUICK FLEX, S-Flex Endurance, HercuFlex, Jaw Type, Grid, Disc, Jaw In-Shear, Curved Jaw, Gear Type, High Performance Gear), industrial universal joints (including the Curtis brand acquired in 2016), rigid compression couplings, motion control couplings, RunRight rubber suspension products, variable speed drives, shaft locking devices, and hydraulic components (bellhousings, coolers, reservoirs). Lovejoy invented the industry-standard Jaw-style coupling in 1927 and was the first to incorporate rubber-in-compression as a power transmission concept; the current portfolio leverages proprietary innovations including the Vari-Crown tooth form, Tensys rubber technology, and an EPDM-based S-Flex Endurance sleeve rated at 3X the prior service life.

Lovejoy generates revenue through hardware sales of its coupling and power-transmission product lines, with pricing handled via a quote-based model through its distributor and sales representative network rather than direct e-commerce. The company operates a channel-partner go-to-market model, distributing exclusively through authorized distributors and Timken regional sales offices spanning every major North American market and 45 other countries, with engineering, marketing, and customer service facilities in Canada, Europe, Asia, and the USA. Customer segments are diversified across at least eight verticals: power generation, food and beverage, aggregates and mining, pulp and paper, steel, marine, wastewater/hydraulic, and pharmaceutical and cosmetics. Manufacturing is conducted in Downers Grove, Illinois and South Haven, Michigan, with European manufacturing and modification capabilities in Werdohl, Germany via the R+L Hydraulics subsidiary (formerly Raja-Lovejoy GmbH, established 2003).

Since 2016, Lovejoy has operated as a wholly-owned subsidiary of The Timken Company (NYSE: TKR), integrated into the Timken Power Transmission Group. The company is ISO-9001:2015 certified, holds ATEX certification for its Disc Coupling Product Line for explosive atmospheres, and offers FDA-compliant metal-detectable inserts for regulated process industries. The combined Lovejoy-Timken distribution platform represents the company's principal strategic asset, complemented by nearly a century of mechanical engineering expertise in flexible coupling design.

Name

Lovejoy

Legal name

Lovejoy, LLC

Website

https://lovejoy-inc.com

Company type

Private

Founded year

1927

Operating status

Operating

Headcount range

251–500 employees

Short description

Lovejoy, a wholly-owned subsidiary of The Timken Company since 2016, manufactures industrial couplings, universal joints, and power-transmission components serving power generation, food and beverage, mining, marine, and other industrial verticals through a global distributor network spanning 45+ countries.

Ownership category

akta.pro rank

Product category

Industrial Power Transmission Couplings

NAICS

Other General Purpose Machinery Manufacturing (3339), Speed Changer, Industrial High-Speed Drive, and Gear Manufacturing (333612), Fluid Power Valve and Hose Fitting Manufacturing (332912)

SIC

General Industrial Machinery & Equipment (3560)

akta.pro primary industry

Linear Motion & Mechanical Power Transmission (Ball/roller screws, linear guides, bearings, couplings) (IMAHAGAM)

akta.pro secondary industries

Seals, Gaskets & Fluid Connectors (O-rings, packings, rotary seals, quick couplers) (IMAHAGAI), Lifting Attachments & Material Handling Accessories (Fork Attachments, Slings, Rigging) (IMAHABAJ)

Keywords

• Industrial couplings
• Power transmission products
• Universal joints
• Hydraulic components
• Shaft locking devices

Headquarters

HQ city

Downers Grove

HQ country

United States

HQ region

North America

Offices8 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Coupling Products: Sale of power transmission couplings including QUICK FLEX, HercuFlex, S-Flex Endurance, Jaw Type, Grid, Torsional, Disc, Curved Jaw, Gear, Universal Joints, and specialty couplings. Also includes hydraulic components, tensioning devices, motor bases, shaft locking devices, and variable speed drives.

Go-to-market motion1 record

Distribution channels3 records

Marketing channels5 records

Core offering

Lovejoy manufactures and sells industrial flexible shaft couplings, universal joints, hydraulic components, and tensioning/vibration management products used to transmit power between rotating equipment in industrial machinery. The company offers a broad catalog of coupling families (jaw, elastomeric, gear, grid, disc, torsional, rigid, motion control) plus complementary hydraulic components, variable speed drives, and shaft locking devices, engineered for heavy-industrial applications and supported by an online configurator and global distributor channel.

Product overview

Lovejoy is a global leader in couplings, power transmission, hydraulic components, and tensioning/vibration management technology. The product portfolio centers on flexible shaft couplings (QUICK FLEX, S-Flex Endurance, HercuFlex, Jaw Type, Grid, Disc, Jaw In-Shear, Curved Jaw, Gear Type, and High Performance Gear couplings), complemented by universal joints (including Curtis Universal Joints acquired in 2016), rigid compression couplings, and motion control couplings. The company also offers runRight rubber suspension products (tensioners, motor bases, oscillating mounts, anti-vibration mounts), variable speed drives, shaft locking devices, and hydraulic components (bellhousings, coolers, reservoirs). Supporting tools include an online coupling configurator, digital parts catalog with 3D CAD models, and technical documentation. Lovejoy operates as a business unit of The Timken Company, with manufacturing in Downers Grove, Illinois and South Haven, Michigan.

Differentiator

Problem solved

Functional benefit

Brands

• Curtis Universal Joints: Take-Apart universal joints with exclusive internal lubrication system, operating angles up to 35 degrees on single joints and 70 degrees on double joints.
• R+L Hydraulics

Products and services

• QUICK FLEX® Couplings Elastomeric couplings designed for harsh environments, with solid and split covers accommodating higher speeds and increased torque. Inserts are replaceable without disassembling driving or driven equipment.
• HercuFlex® Gear Couplings Revolutionary gear couplings utilizing Finite Element Analysis with increased nominal torque, larger maximum bore size, and advanced seal design for contamination resistance, offered in Flange, Continuous Sleeve, and Labyrinth Seal Flange configurations.
• S-Flex Endurance® Couplings Shear-type couplings with a three-part design (two flanges plus elastomeric sleeve) using a redesigned EPDM rubber sleeve rated for 3X longer service life, available in 13 sizes from 60 to 72,480 in-lbs torque.
• RunRight® Rubber Suspension Rubber suspension units leveraging proprietary Tensys rubber technology for torsional spring features with operating angles up to ±30°, including tensioner devices, motor bases, oscillating mounts, rubber suspension units, and anti-vibration mounts.
• Jaw Type Couplings Industry-standard jaw couplings invented by Lovejoy in 1927, offered in 24 sizes with over 850,000 stock bore/keyway combinations, fail-safe design, and torque ratings from 3.5 to 170,004 in-lbs.
• Grid Couplings Torsionally flexible couplings that reduce vibration by up to 30% and cushion shock loads, made from high tensile shot-peened alloy steel and interchangeable with industry standards.
• Torsional Couplings Coupling family designed to address torsional vibration in diesel engine driven equipment, including LF, LVK, LV, LM, LK Series, and Spring Coupling configurations.
• Disc Couplings ATEX-certified, lubrication-free disc couplings using AISI-301 stainless steel disc packs, torsionally rigid without backlash, supporting API-610 Standard up to 3,800 RPM.
• Jaw In-Shear Type Couplings Non-fail-safe couplings with radially removable urethane insert and 6-pin stainless steel locking ring, with 2° angular misalignment capability and maximum torque up to 183,333 in-lbs.
• Curved Jaw Couplings European-standard jaw couplings with radial curvature on the jaw face and both radial and axial curvature on the elastomer, with angular misalignment up to 1.3° and CJ and GS zero-backlash variants.
• Lovejoy / Sier-Bath Gear Type Couplings Wide assortment of gear couplings in Continuous Sleeve and Flanged Sleeve configurations with load capacities up to 2,520,000 in-lbs and patented BUNA N seal and Vari-Crown tooth design.
• High Performance Gear Couplings Dynamically balanced gear couplings for high-speed centrifugal and axial flow compressors, gas turbines, and steam turbines, available in FHS, FHSA, FHSAA, FHSPAA, and FHSMA series.
• Lovejoy Universal Joints Industrial universal joints manufactured by Lovejoy since 1946, available in D Type, HD Type, D303 Stainless, Needle Bearing, LOJ, and Multi-spindle configurations with operating angles up to 25° (45° for LOJ) and speeds to 6,000 RPM.
• Curtis Universal Joints Quick TakeApart universal joints acquired in 2016 with operating angles up to 35° on single joints and 70° on double joints, featuring an exclusive internal lubrication system and available in alloy steel, stainless steel, and special materials.
• Rigid Compression Couplings Powder-coated cast steel rigid couplings for joining two shafts of the same size, available in standard sizes for shafts 1 7/16" through 5".
• Motion Control Couplings Beam, Oldham, Mini-Jaw, Bellows, Mini-Soft, Mini-Disc, and Curved Jaw motion control couplings in all-metal, aluminum, and zinc alloy constructions for precision motion applications.
• Specialty Products Specialty couplings including Deltaflex all-metal flex-link, Uniflex flexible triple-wound spring, Saga elastomeric pre-compression couplings, Rigid Sleeve couplings, and Shaft Collars.
• Variable Speed Drives Variable speed belt drives with infinite ratio range within speed range, available in Econoline, Aluminoline, WB, Hi-Ratio, and Adjustable Motor Bases series with speed ratios up to 11.5:1 and horsepower ranges from fractional through 15 HP.
• Shaft Locking Devices Keyless mechanical interference fit devices connecting hubs to shafts, available in nine internal and external types (SLD series) with torque capacities from 1.73 to 565,563 ft-lb.
• Hydraulic Components Hydraulic system solutions including pump/motor mounts (bellhousings), hydraulic couplings, BNZ Series water-oil coolers with heat removal up to 400 hp, and reservoirs in six aluminum tank sizes.
• Metal-Detectable Coupling Inserts Elastomer coupling inserts formulated with an FDA-compliant additive to make inserts metal-detectable, helping food, beverage, pharmaceutical, and cosmetics manufacturers prevent expensive product recalls by detecting contaminating fragments.

Quantifiable outcome

• S-Flex Endurance couplings last at least 3X longer than previous iteration
• +3 more outcomes

Segments8 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature7 records

Partnerships

Six partnerships are on record, tiered core.

• Timken Canada LPcoreChannel Partner/ Reseller/ DistributorTimken Canada LP serves as the primary sales representative and support organization for Lovejoy products in Canada, operating from Mississauga, Ontario with dedicated sales managers for Eastern, Central, and Western Canada territories.
• R+L HydraulicscoreChannel Partner/ Reseller/ DistributorR+L Hydraulics GmbH based in Werdohl, Germany operates as Lovejoy's European distribution and manufacturing facility, stocking and modifying couplings compatible with European standards and for machinery built for export markets. Originally established in 2003 as Raja-Lovejoy GmbH joint venture.
• Timken ChinacoreChannel Partner/ Reseller/ DistributorTimken China serves as the sales representative for Lovejoy products in China and Asia region, operating from Shanghai with dedicated sales and support capabilities.
• Timken do BrasilcoreChannel Partner/ Reseller/ DistributorTimken do Brasil serves as the sales representative for Lovejoy products in Brazil, operating from Sao Paulo with dedicated Business Development Manager.
• Timken Argentina S.R.L.coreChannel Partner/ Reseller/ DistributorTimken Argentina S.R.L. serves as the sales representative for Lovejoy products in Argentina and South America, operating from Buenos Aires.
• Timken de Mexico, S.A. de C.V.coreChannel Partner/ Reseller/ DistributorTimken de Mexico, S.A. de C.V. serves as the sales representative for Lovejoy products in Mexico and Latin America, operating from Cuautitlan Izcalli, Mexico.

Scale indicators3 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• R+W Antriebselemente (R+W Couplings): German precision manufacturer of metal bellows, elastomer, and servo couplings. Directly comparable as a specialist coupling brand serving industrial OEMs globally with technical sales and engineered solutions.
• KTR Systems: German-headquartered manufacturer of power transmission couplings (Rotex, BoWex, Radex), hydraulic components, and brake systems. Highly comparable product portfolio, similar industrial customer base, and global distribution footprint.
• TB Wood's (Altra Industrial Motion): US manufacturer of flexible couplings, belted drives, and motor bases acquired by Altra Industrial Motion. Direct overlap with Lovejoy's Jaw, S-Flex, and motor base product categories serving similar industrial OEM customers.
• MAYR Antriebstechnik: German manufacturer of safety clutches, brakes, and torque limiters alongside shaft couplings. Comparable as a European specialist serving industrial OEMs with engineered power transmission components.
• Jakob Antriebstechnik: German precision coupling manufacturer specializing in metal bellows, disc, and servo couplings for machine tools, robotics, and medical equipment. Comparable as a specialist with engineered coupling solutions for industrial automation.
• Centa Power Transmission: German manufacturer of flexible couplings and torsional vibration dampers for marine, rail, and industrial applications. Directly comparable in torsional couplings and high-torque elastomeric product lines for diesel-driven equipment.

Broad incumbents

• Regal Rexnord: Public industrial conglomerate (NYSE: RRX) producing bearings, couplings (through Bibby Turboflex, Thomas X series), gears, and power transmission components. Broader portfolio than Lovejoy but directly overlaps in flexible couplings for process industries.
• Flender (Siemens AG): Siemens-owned manufacturer of mechanical gear drives, couplings, and generators. Overlaps with Lovejoy in high-performance gear couplings for power generation and process industries, though serves much larger machinery systems.
• Voith Group: German industrial technology company manufacturing couplings, turbo transmissions, and drive systems for power generation, oil & gas, and marine. Overlaps with Lovejoy in heavy-duty gear and disc couplings for similar demanding applications.
• Renold plc: British manufacturer of industrial chains, gearboxes, and couplings. Overlaps with Lovejoy in industrial couplings for power transmission applications, though broader product portfolio with chain and gear focus.

Market position

Strengths1 record

Weaknesses1 record

Competitive moat4 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/lovejoy
• Xx.com/LovejoyUSA
• Facebookfacebook.com/LovejoyCouplings

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Subsidiaries4 records

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 Lovejoy