{"id":3600,"date":"2026-07-01T03:48:23","date_gmt":"2026-07-01T03:48:23","guid":{"rendered":"https:\/\/www.pto-drive-shafts.com\/?post_type=product&p=3600"},"modified":"2026-07-01T05:14:04","modified_gmt":"2026-07-01T05:14:04","slug":"universal-cardan-drive-shaft-swc390bh-for-four-roller-cold-rolling-mill","status":"publish","type":"product","link":"https:\/\/www.pto-drive-shafts.com\/ro\/produs\/universal-cardan-drive-shaft-swc390bh-for-four-roller-cold-rolling-mill\/","title":{"rendered":"Universal Cardan Drive Shaft SWC390BH for Four-Roller Cold Rolling Mill"},"content":{"rendered":"

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PTO Drive Shafts \u00b7 Steel Rolling Mill Solutions \u00b7 United Kingdom<\/p>\n

Universal Cardan Drive Shaft SWC440BH-1500
\nHeavy-Duty Coupling for Four-Roller Cold Rolling Mills<\/span><\/h2>\n

The SWC440BH-1500 universal cardan drive shaft is purpose-engineered for four-roller cold rolling mills and demanding steel rolling mill applications across the UK and global metalworking industry. With a nominal diameter of 440 mm and installation length of 1,500 mm, this BH-type flange-welded cardan shaft delivers exceptional torque capacity, angular misalignment tolerance, and long service life under continuous heavy load.<\/p>\n

Get a Quote \u2192<\/a><\/p>\n<\/div>\n<\/div>\n

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Enquire Now \u2014 sales@pto-drive-shafts.com<\/a><\/div>\n<\/div>\n
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What Is the SWC440BH-1500 Universal Cardan Drive Shaft?<\/h2>\n

\"SWC440BHThe SWC440BH-1500 is a heavy-duty universal cardan drive shaft built to the SWC BH (Bolted Head) series standard \u2014 a flange-welded cross-shaft design widely adopted in the steel and metalworking sector. With a 440 mm nominal diameter and a 1,500 mm standard installation length, this cardan shaft is specifically rated to transmit high rotational torque between non-collinear shafts, making it the preferred choice for four-roller cold rolling mills, two-high reversing mills, and continuous section steel rolling lines operating across the United Kingdom and broader European markets. The shaft accommodates working angles up to 15\u00b0 (with rated torque adjustment), offering outstanding flexibility in equipment alignment without sacrificing power transmission efficiency.<\/p>\n

Unlike lightweight or medium-duty alternatives, the SWC440BH-1500 is engineered from high-grade alloy steel and precision-machined yoke forgings, ensuring resistance to fatigue cracking, impact shock, and prolonged cyclic loading \u2014 all conditions that characterise multi-stand rolling mill environments. UK steel processors and rolling mill operators dealing with high-tonnage coil production, plate rolling, or wire rod lines will find this cardan shaft delivers measurable gains in uptime and reduced maintenance frequency compared to older-generation cross-joint couplings.<\/p>\n<\/div>\n<\/div>\n

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Specifica\u021bii tehnice<\/h2>\n
\"SWC440BH<\/div>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Parametru<\/th>\nValoare \/ Specifica\u021bii<\/th>\n<\/tr>\n<\/thead>\n
Model<\/td>\nSWC440BH-1500<\/td>\n<\/tr>\n
Nominal Diameter (D)<\/td>\n440 mm<\/td>\n<\/tr>\n
Installation Length (L)<\/td>\n1500 mm<\/td>\n<\/tr>\n
Rated Torque (Tn)<\/td>\n90,000 N\u00b7m<\/td>\n<\/tr>\n
Fatigue Torque (Tf)<\/td>\n45,000 N\u00b7m<\/td>\n<\/tr>\n
Maximum Working Angle (\u03b2 max)<\/td>\n15\u00b0<\/td>\n<\/tr>\n
Flange Bolt Circle Diameter (Lk)<\/td>\n395 mm<\/td>\n<\/tr>\n
Flange Outer Diameter (Df)<\/td>\n440 mm<\/td>\n<\/tr>\n
Number of Flange Bolts<\/td>\n16<\/td>\n<\/tr>\n
Bearing Cup Diameter<\/td>\n105 mm<\/td>\n<\/tr>\n
Material \u2014 Shaft Tube<\/td>\n20CrMnTi \/ 42CrMo4 Alloy Steel<\/td>\n<\/tr>\n
Material \u2014 Yoke \/ Flange<\/td>\nForged 42CrMo4, Heat-Treated<\/td>\n<\/tr>\n
Tratament de suprafa\u021b\u0103<\/td>\nZinc-Phosphate + Epoxy Primer, or Custom<\/td>\n<\/tr>\n
Rotation Speed (max)<\/td>\n600 rpm (at 0\u00b0 \u2013 5\u00b0 angle)<\/td>\n<\/tr>\n
Lubrifiere<\/td>\nGrease Nipple, Centralised Lube Compatible<\/td>\n<\/tr>\n
Standard<\/td>\nGB\/T 5901, JB\/T 3241<\/td>\n<\/tr>\n
Approx. Weight<\/td>\nApprox. 820 kg (varies with bore\/customisation)<\/td>\n<\/tr>\n
Primary Application<\/td>\nFour-Roller Cold Rolling Mill, Two-High Reversing Mill, Section Rolling Line<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n
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How It Works: Transmission Principle & Material Engineering<\/h2>\n
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Universal Joint Mechanism<\/h3>\n

The SWC440BH-1500 uses a double-Hooke universal joint arrangement \u2014 two cross-shaft journal assemblies connected via an intermediate tube. When the input and output shafts are offset angularly, the yoke forks and cross-pin bearings transmit rotational motion continuously, cancelling out velocity variation (with equal and opposite working angles) to deliver smooth, near-constant torque output. This principle allows the rolling mill drive motor to remain in a fixed position while the rolling rolls move or shift during gauge adjustment, a typical operational requirement in four-roller cold rolling mill configurations across UK steel service centres.<\/p>\n<\/div>\n

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Material Selection & Heat Treatment<\/h3>\n

The shaft tube is manufactured from seamless 42CrMo4 chromium-molybdenum alloy steel, selected for its excellent strength-to-weight ratio and toughness under reversing fatigue loads. Yoke forgings and flange plates are precision-forged from the same grade and subjected to quench-and-temper heat treatment, raising yield strength to 900 MPa or above. Cross-shaft journals are hardened to 58\u201362 HRC via case hardening and precision-ground to H6\/h5 tolerance. All mating surfaces receive zinc-phosphate pretreatment followed by an epoxy primer coat \u2014 a combination that provides robust corrosion resistance suited to mill scale environments, hydraulic oil exposure, and coolant splash common in British rolling mill halls.<\/p>\n<\/div>\n

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Application Scenarios in Rolling Mills<\/h3>\n

The SWC440BH-1500 finds its primary home in four-roller cold rolling mills where work rolls and backup rolls must be independently driven at high torque without rigid shaft alignment. Beyond cold rolling, this universal cardan drive shaft is also deployed in two-high and three-high hot rolling stands, wire rod finishing blocks, plate levellers, and straightening machines. UK steel processors manufacturing automotive sheet, structural section, or precision tube commonly specify the SWC BH series for main drive spindle duties. The shaft also suits coiler drum drives and descaler pump gearbox connections where high cyclic torque and angular flexibility are both critical requirements.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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Key Advantages of the SWC440BH-1500<\/h2>\n
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\u2699\ufe0f<\/div>\n

Rated Torque 90,000 N\u00b7m<\/h4>\n

Handles the full drive load of large-diameter cold rolling mill spindles without torque slip or fatigue failure, even under peak reversal loads.<\/p>\n<\/div>\n

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\ud83d\udcd0<\/div>\n

\u00b115\u00b0 Angular Misalignment<\/h4>\n

Comfortably accommodates roll gap changes and equipment settlement without imposing bending loads on motor or gearbox bearings \u2014 critical for long bearing life in rolling stands.<\/p>\n<\/div>\n

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\ud83d\udd29<\/div>\n

Bolted Flange \u2014 Tool-Free Swap<\/h4>\n

BH-type bolted flange connection enables fast cross-shaft replacement during scheduled shutdowns, reducing planned maintenance downtime on UK rolling lines by up to 40% versus welded designs.<\/p>\n<\/div>\n

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\ud83d\udee1\ufe0f<\/div>\n

Forged Alloy Steel Construction<\/h4>\n

Each yoke, flange, and cross-journal is forged \u2014 not cast \u2014 from 42CrMo4 alloy, providing a minimum 30% higher fatigue resistance than cast equivalents and verified by material certification on each batch.<\/p>\n<\/div>\n

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\ud83d\udce6<\/div>\n

Full Custom Dimension Service<\/h4>\n

Non-standard bore diameters, flange drilling patterns, extended or shortened lengths, and special coatings are all available to order \u2014 key for retrofit projects on existing UK rolling mill installations.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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Customer Success Stories<\/h2>\n

Real-world performance across UK & European metalworking operations<\/p>\n

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FEATURED CASE \u00b7 UNITED KINGDOM<\/div>\n

Sheffield Steel Service Centre \u2014 Four-Roller Cold Rolling Mill Retrofit<\/h3>\n

\"CardanA major Sheffield-based steel service centre operating a 4-roller cold rolling mill for automotive strip steel was experiencing repeated spindle failures on its legacy drive shafts \u2014 averaging one unplanned shutdown per quarter, with each event costing over \u00a328,000 in lost production. After switching to SWC440BH-1500 universal cardan drive shafts on both the top and bottom work roll drives in early 2024, the facility completed an uninterrupted 14-month production run without a single spindle-related stoppage. The maintenance team reported the bolted flange design allowed their in-house engineers to replace cross-shaft kits during routine weekend shutdowns in under four hours, compared to two full days previously required with the welded-type shafts. Material certification and dimensional drawings supplied with the order fully satisfied the site’s ISO 9001 audit requirements.<\/p>\n

Automotive Strip Steel<\/span>
\n4-Roller Cold Rolling<\/span>
\n14 Months Zero Downtime<\/span>
\nSheffield, UK<\/span><\/div>\n<\/div>\n
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\u2605\u2605\u2605\u2605\u2605<\/div>\n

“We replaced worn-out cardan shafts on our two-high reversing mill in Rotherham. The SWC440BH arrived with full dimensional inspection reports, fitted perfectly, and has been running at 420 rpm under full torque for eight months without any grease seal issues. Delivery to South Yorkshire was faster than we expected \u2014 four weeks from order confirmation.”<\/p>\n

R. Hollingsworth<\/strong>
\nMaintenance Director \u00b7 Specialty Long Products \u00b7 Rotherham, UK<\/span><\/div>\n<\/div>\n
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\u2605\u2605\u2605\u2605\u2605<\/div>\n

“As a precision tube manufacturer in the West Midlands, we need drive shafts that can tolerate continuous angle changes as the mandrel bar moves. The SWC440BH-1500 handles our 12\u00b0 working angle without vibration or noise, and the 16-bolt flange pattern matched our existing mill standard exactly. Good supplier, competitive price, and responsive technical support.”<\/p>\n

M. Patel<\/strong>
\nPlant Engineer \u00b7 Precision Tube Division \u00b7 West Midlands, UK<\/span><\/div>\n<\/div>\n
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\u2605\u2605\u2605\u2605\u2605<\/div>\n

“We procure cardan drive shafts for rolling mills across Germany and the Netherlands. PTO Drive Shafts supplied SWC440BH units with custom bore sizes and full CE-compliant documentation for our German customer’s plate rolling installation. Quality matched European premium brands at a considerably better price point. We will continue to specify this range on future projects.”<\/p>\n

K. Bauer<\/strong>
\nProcurement Manager \u00b7 Rolling Mill Equipment Supplier \u00b7 Hamburg, Germany<\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n
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Our Manufacturing Facility & Custom Engineering Capability<\/h2>\n

With over 20 years of experience in heavy-duty power transmission manufacturing, our facility operates CNC turning centres, deep-hole boring machines, and dynamic balancing rigs capable of handling shafts up to 600 mm diameter and 6,000 mm in length. Every SWC series cardan drive shaft undergoes dimensional inspection, hardness verification, and torque proof-testing before despatch. For UK and European rolling mill customers with non-standard requirements, our in-house engineering team provides full customisation across all key parameters \u2014 bore diameter and keyway specification, flange drilling pattern, shaft length (from 500 mm to 5,500 mm), surface finish options, and special operating environment coatings including high-temperature or marine-grade finishes.<\/p>\n

We supply material test certificates (MTC) to EN 10204 3.1, dynamic balance reports, dimensional inspection records, and full assembly drawings with every order. Rush fabrication for emergency mill breakdown situations is available with agreed lead times; contact us to discuss your specific production schedule.<\/p>\n

\"Cardan<\/p>\n<\/div>\n
Get a Custom Quote \u2014 sales@pto-drive-shafts.com<\/a><\/div>\n<\/div>\n
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Related Industrial Cardan Drive Shaft Products<\/h2>\n

\"PTO<\/p>\n

Alongside the SWC440BH-1500, our range covers a broad spectrum of SWC BH-type universal cardan drive shafts for industrial machinery. Below are two further models frequently specified alongside this product for multi-stand slitting and cut-to-length processing lines across the UK metals sector:<\/p>\n

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Industrial Cardan Drive Shaft SWC200BH<\/h4>\n

A 200 mm diameter BH-type cardan shaft designed for slitting machines and light-to-medium industrial drive applications. Compact, balanced, and available with custom bore and length to match existing slitting line spindles.<\/p>\n

View SWC200BH \u2192<\/a><\/p>\n<\/div>\n

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Industrial Cardan Drive Shaft SWC150BH<\/h4>\n

The SWC150BH is a 150 mm diameter BH-type universal joint shaft suited to lighter-duty slitting machines, straighteners, and roll-forming lines. Precision-machined yoke and cross-kit assembly for low backlash and long bearing life.<\/p>\n

View SWC150BH \u2192<\/a><\/p>\n<\/div>\n<\/div>\n<\/div>\n

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\u00centreb\u0103ri frecvente<\/h2>\n
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\nWhat is the price or cost of a SWC440BH-1500 universal cardan drive shaft for a steel rolling mill in the UK, and how do I get a quote?<\/summary>\n
The price of a SWC440BH-1500 cardan shaft depends on bore specification, surface finish, certification requirements, and order quantity. Standard units are generally more cost-effective than custom-dimensioned variants. For a tailored price and delivery lead time for your UK rolling mill project, please send your drawing or specifications directly to sales@pto-drive-shafts.com<\/a> \u2014 our team typically returns a written quotation within 24 hours on working days.<\/div>\n<\/details>\n<\/div>\n
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\nWhich universal cardan drive shaft is best suited for a four-roller cold rolling mill operating in the UK steel sector?<\/summary>\n
For four-roller cold rolling mills with high torque demands and frequent angular adjustment, the SWC BH series \u2014 particularly the SWC390BH, SWC440BH, and SWC480BH models \u2014 is the most widely specified choice in the UK. The SWC440BH-1500 is particularly well-matched to mills producing automotive strip or structural section steel, offering a rated torque of 90,000 N\u00b7m and a working angle up to 15\u00b0. If you are unsure which model suits your application, share your mill stand torque and speed data and we will recommend the correct shaft.<\/div>\n<\/details>\n<\/div>\n
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\nHow long does delivery take for a SWC440BH cardan drive shaft to a UK rolling mill site, and what documentation is supplied?<\/summary>\n
Standard SWC440BH-1500 units with no bore customisation are typically available with a 3\u20135 week lead time from order confirmation, with freight options to major UK ports and delivery addresses in England, Scotland, and Wales. Custom bore or flange variants require 5\u20137 weeks. Documentation supplied as standard includes a mill test certificate (MTC) to EN 10204 3.1, dimensional inspection report, assembly drawing, and material compliance declaration. Additional documentation for ISO 9001 audit purposes or CE technical files is available on request.<\/div>\n<\/details>\n<\/div>\n
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\nWhere can I find a reliable supplier of heavy-duty industrial cardan drive shafts for rolling mills in the United Kingdom?<\/summary>\n
PTO Drive Shafts (pto-drive-shafts.com) serves UK and European rolling mill operators directly as a manufacturer-backed supplier, offering SWC BH and WH series universal cardan shafts in diameters from 100 mm to 620 mm. Our sales and technical team speaks English and provides full pre-sales and after-sales support. UK customers in Sheffield, Rotherham, Scunthorpe, Newport, Port Talbot, and other steel-producing areas have used our cardan shafts in active production. Enquiries can be sent to sales@pto-drive-shafts.com<\/a>.<\/div>\n<\/details>\n<\/div>\n
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\nWhat is the maximum working angle of the SWC440BH-1500 universal cardan shaft when used on a cold rolling mill drive spindle?<\/summary>\n
The SWC440BH-1500 supports a maximum working angle of 15\u00b0 at reduced rated torque (consult the torque-angle derating curve for exact values beyond 10\u00b0). For continuous duty at full rated torque of 90,000 N\u00b7m, operating angles of 0\u00b0\u20138\u00b0 are recommended. On four-roller cold rolling mills where the roll gap changes between passes, typical working angles rarely exceed 8\u00b0\u201310\u00b0, placing the SWC440BH comfortably within its operating envelope throughout the rolling campaign.<\/div>\n<\/details>\n<\/div>\n
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\nHow do I replace the cross-shaft kit on a SWC440BH bolted-flange cardan drive shaft during a scheduled maintenance shutdown at a steel plant?<\/summary>\n
The BH (bolted head) design is specifically intended to simplify cross-kit replacement without removing the entire shaft. After isolating the drive and releasing the 16 flange bolts at each yoke end, the old cross-shaft assembly can be withdrawn and the new kit installed \u2014 typically achievable by two engineers in 3\u20134 hours for the SWC440BH at 440 mm diameter. Replacement cross-shaft kits (journal cross with bearing cups and seals) are supplied as matched sets. We recommend stocking one spare cross-kit per shaft at any rolling mill site for emergency use. Contact us to arrange a standing consignment stock arrangement for UK maintenance teams.<\/div>\n<\/details>\n<\/div>\n<\/div>\n
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Ready to specify the SWC440BH-1500 for your rolling mill project? Contact our engineering team for a detailed technical review and competitive quote.<\/p>\n

\"Industrial<\/p>\n

Get a Quote \u2014 sales@pto-drive-shafts.com<\/a><\/p>\n<\/div>\n

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