SWC-BH Cardan Drive Shaft | Integral Fork Head, 15-25° Angle, 1.25-1000 N·m

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SWC-BH Cardan Drive Shaft Universal Joint – Standard Telescopic Welding Type, Integral Fork Head

Model Number
Check below, custom

SWC 58-BH
SWC65-BH
SWC75-BH
SWC90-BH
SWC100-BH
SWC120-BH
SWC150-BH
SWC180-BH
SWC200-BH
SWC225-BH
SWC250-BH
SWC285-BH
SWC315-BH
SWC350-BH
SWC390-BH
SWC440-BH

Product Description

SWC-BH Cardan Drive Shaft Universal Joint – Standard Telescopic Welding Type, Integral Fork Head

The Apexcoupling SWC-BH series is a standard telescopic welding type cardan drive shaft universal joint designed for heavy-duty power transmission in demanding industrial applications. Featuring an integral forged fork head without bolt connections, this coupling delivers superior structural strength, reliability, and extended service life. With large angle compensation capability (15-25°), high transmission efficiency (98-99.8%), and robust steel construction (42CrMo / 20Cr with quenching process), the SWC-BH is the ideal solution for steel rolling mills, mining equipment, paper machinery, crushers, and general industrial drives.

✅ Perfect fit for Hitachi equipment and other heavy machinery. Direct purchase from factory – competitive pricing.

Key Technical Specifications

Parameter	Value
Brand	Apexcoupling
Model Series	SWC-BH (Standard Telescopic Welding Type)
Standard	JB/T 5513-1991 (or JB/T 5531-1991)
Type	Cardan shaft / Universal joint coupling
Structure	Integral fork head – no bolt connection
Body Material	42CrMo alloy steel / 20Cr (quenching process)
Flange Diameter	58 – 440 mm
Shaft Fixing Method	Flange connected
Allowable Torque Range	1.25 – 1000 N·m (custom higher torque available)
Maximum Speed	0 – 4000 RPM (above 1000 RPM requires customization)
Operating Angle	15–25° (SWC type) – significantly larger than SWP type (~10°)
Transmission Efficiency	98 – 99.8% – energy-saving for high-power transmission
Colour Options	Yellow, orange, black, white, and custom
Surface Treatment	Painting (corrosion-resistant finish)
Customized support	OEM, ODM, OBM
Applicable Industries	Building material shops, manufacturing plants, machinery repair shops, farms, retail, construction works, energy & mining, steel rolling mills, paper machinery, crushers
Warranty	1 Year
Place of Origin	Guangdong, China

🔧 Custom lengths, flange diameters, torque ratings, and colours available. Contact us with your specifications.

Product Features & Advantages

Advantage	Benefit
Integral Forged Fork Head	No bolt connection – eliminates bolt loosening or breakage; significantly improves structural strength and reliability
Large Angle Compensation	15-25° axis angle – much greater than SWP type (~10°) – accommodates significant misalignment
High Transmission Efficiency	98-99.8% – minimal power loss, significant energy savings for high-power applications
High Load Capacity	Transmits greater torque than other couplings with the same rotating diameter – ideal for space-constrained machinery
Telescopic Welding Design	Standard length compensation – accommodates axial movement and simplifies installation
Compact & Reliable	Integral fork design makes the structure compact, reasonable, and easy to maintain
Smooth Operation	Stable transmission, low noise, easy assembly and disassembly
Robust Material	42CrMo / 20Cr alloy steel with quenching process – high strength and durability
Wide Application Range	Steel rolling mills, crushers, paper machinery, ship drives, test benches, and more
OEM Customization	Custom lengths, flange diameters, torque ratings, and colours available

Product Structure

Integral Forged Fork Heads – One-piece construction without bolt connections – eliminates bolt loosening or breakage.
Cross Shaft Assembly – Precision cross shaft with needle roller bearings for smooth rotation.
Telescopic Spline / Welded Shaft – Allows length compensation for axial movement.
Flange Connections – Secure flange mounting for reliable power transmission.

💡 The integral fork head design is the key innovation of the SWC series – eliminating the bolt connection that is a common failure point in traditional universal joints, significantly improving reliability and service life.

SWC-BH vs SWP Type – Key Differences

Feature	SWC-BH (Integral Fork)	SWP Type
Angle compensation	15-25°	~10°
Fork head design	Integral – no bolts	Bolt-connected
Reliability	Higher – no bolt loosening	Lower – bolt failure risk
Load capacity	Greater for same diameter	Standard
Transmission efficiency	98-99.8%	Standard

Applications

Steel Rolling Mills – Heavy-duty power transmission in harsh environments
Mining Equipment – Crushers, conveyors, feeders
Paper Machinery – Reliable drives for paper production
Ship Drives – Marine propulsion systems
Test Benches – Precision power transmission testing
Construction Machinery – Heavy equipment drives
Energy & Mining – Conveyors, crushers, mills
General Industrial Machinery – Pumps, compressors, mixers

Why Choose Apex Coupling for SWC-BH Cardan Shafts?

Advantage	Description
Factory Direct	Competitive B2B pricing – no middlemen
Premium Materials	42CrMo / 20Cr alloy steel with quenching process
Integral Fork Head	No bolt connection – superior reliability and longer service life
Large Angle Compensation	15-25° – accommodates significant misalignment
High Efficiency	98-99.8% – energy-saving operation
Telescopic Design	Standard length compensation for axial movement
Customization	Lengths, flange diameters, torque ratings, and colours
JB/T Standard	Manufactured to JB/T 5513-1991 / JB/T 5531-1991

FAQ

Q: What is an SWC-BH cardan drive shaft?
A: The SWC-BH is a standard telescopic welding type universal joint coupling featuring an integral fork head without bolt connections. It is designed to transmit torque between shafts that are not in the same axis, with large angle compensation capability.

Q: What is the advantage of the integral fork head design?
A: The integral fork head eliminates bolt connections, which are a common failure point in traditional universal joints. This significantly improves structural strength, reliability, and service life.

Q: What is the maximum operating angle?
A: The SWC-BH series offers 15-25° axis angle compensation – significantly larger than the SWP type (~10°).

Q: What is the transmission efficiency?
A: The transmission efficiency reaches 98-99.8% – providing significant energy savings for high-power transmission applications.

Q: What materials are used?
A: The coupling is manufactured from 42CrMo alloy steel or 20Cr with a quenching process for high strength and durability.

Q: What is the torque range?
A: The allowable torque range is 1.25–1000 N·m. Custom higher torque ratings are available on request.

Q: What is the maximum speed?
A: Maximum speed is 0–4000 RPM. For speeds above 1000 RPM, customization is required.

Q: What industries is this coupling suitable for?
A: Steel rolling mills, mining, paper machinery, ship drives, test benches, construction machinery, and general industrial applications.

Q: Is this coupling suitable for Hitachi equipment?
A: Yes. The SWC-BH series is a perfect fit for Hitachi equipment and other heavy machinery.

Q: Can I get a custom coupling?
A: Yes. We offer OEM, ODM, and OBM support – custom lengths, flange diameters, torque ratings, and colours available.

Request a Quote

Send us your flange diameter, length, torque, speed, and application details. Our engineers will recommend the optimal model and provide a quotation within 24 hours.