About LDK

Established in 1986, Deyuan Smart Technology (Fujian) Co., Ltd has evolved into a dynamic, customer-oriented bearing manufacturer providing innovative solutions on a global scale.

With over 30 years of development, LDK has emerged as a high-tech enterprise boasting an impressive annual sales figure of US$15 million. Spanning an expansive 90,000 square meters and supported by approximately 130 dedicated employees, LDK operates cutting-edge production facilities, a well-equipped laboratory, a precision measuring room, and more than 10 workshops. Our distinctive edge lies in our ability to tailor solutions to meet specific customer requirements through a diverse range of material combinations.

At the core of our product portfolio are:
- Cast iron pillow blocks
- Thermoplastic housed bearing units
- All stainless-steel mounted ball bearing units
- Accu-Grip Concentric locking bearing units
- Mounted units for the air handling industry
- Rod ends and linkage/Assembly
- Spherical plain bearings
- Farm implement bearings

Key strengths that define our company include:
- IATF16949 certified manufacturing facilities
- A dedicated research and development capability
- Comprehensive testing capabilities encompassing fatigue life, tensile strength, noise & vibration, and salt spray testing
- Flexible manufacturing accommodating low to high volume production
- In-house production of both bearings and housings in one place.
- A broad product range offering insert bearing bore sizes from 10mm to 140mm, with over 100 combinations of different materials and housing types.

LDK Bearings find widespread application in industries such as agriculture, textile, mining, food & beverage, pharmaceuticals, chemical processing, printing, dyeing, airport, aviation, and air-conditioning, as well as various conveying and rolling devices. Renowned for our exceptional quality, LDK has established a robust domestic network of distributors and distribution centers throughout China. Situated in the thriving economic zone of southeast China, with easy access to sea and air shipments, our products are exported globally, reinforcing our reputation for excellence.
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World-Class Team
Graduates from top universities worldwide
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Advanced R&D
Self-developed
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Innovation Focus
Multiple innovative technologies

Our Products

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Rod End Linkages

Rod End Linkages

Model: Rod End Linkages
Parameters: 8165737511

Clevis End Y DIN71751

Clevis End Y DIN71751

Model: 7951544922
Parameters: 8724745227

Clevis End CEM DIN71752

Clevis End CEM DIN71752

Model: 4429154155
Parameters: 6065821799

Clevis End CEF DIN71752

Clevis End CEF DIN71752

Model: 0323086527
Parameters: 4871931676

Spherical plain bearings MIB..T/AIB..T/SIB..T

Spherical plain bearings MIB..T/AIB..T/SIB..T

Model: 5606117568
Parameters: 0191532932

Spherical plain bearings MIB../AIB../SIB..

Spherical plain bearings MIB../AIB../SIB..

Model: 3147073025
Parameters: 2956774743

Spherical plain bearings YSSB

Spherical plain bearings YSSB

Model: 5059594513
Parameters: 768785439X

Spherical plain bearings NSSB

Spherical plain bearings NSSB

Model: 067503700X
Parameters: 2861285702

Spherical plain bearings WSSB

Spherical plain bearings WSSB

Model: 6222671187
Parameters: 3758770742

Spherical plain bearings SCOM..T

Spherical plain bearings SCOM..T

Model: 3263743228
Parameters: 7769472725

Spherical plain bearings SCOM

Spherical plain bearings SCOM

Model: 7799634812
Parameters: 1710655518

Spherical plain bearings COM..T

Spherical plain bearings COM..T

Model: 5353811259
Parameters: 1348813253

Spherical plain bearings COM

Spherical plain bearings COM

Model: 2210246040
Parameters: 3220903290

Spherical plain bearings GX..T

Spherical plain bearings GX..T

Model: 5865587218
Parameters: 1595897100

Spherical plain bearings GX..S

Spherical plain bearings GX..S

Model: 4655714158
Parameters: 2746333562

Spherical plain bearings GAC..T

Spherical plain bearings GAC..T

Model: 8275023440
Parameters: 602497275X

Spherical plain bearings GACZ..S

Spherical plain bearings GACZ..S

Model: 0344389138
Parameters: 0124683959

Spherical plain bearings GAC..S

Spherical plain bearings GAC..S

Model: 8208292834
Parameters: 1582025452

Spherical plain bearings GEZ..ES

Spherical plain bearings GEZ..ES

Model: 0317990373
Parameters: 5566371035

Spherical plain bearings SGE..PW

Spherical plain bearings SGE..PW

Model: 8499078427
Parameters: 4430257604

Company Gallery

Certifications & Awards

SGS RoHS Verification Report (UFL002)
SGS RoHS Verification Report (UFL002)
SGS RoHS Verification Report (UCFC205)
SGS RoHS Verification Report (UCFC205)
SGS RoHS Verification Report (UCF207 L3)
SGS RoHS Verification Report (UCF207 L3)
SGS RoHS Verification Report (UC206 L3)
SGS RoHS Verification Report (UC206 L3)
SGS RoHS Verification Report (SB205)
SGS RoHS Verification Report (SB205)
SGS RoHS Verification Report (PF205)
SGS RoHS Verification Report (PF205)
SGS RoHS Verification Report (GEG35ES-2RS)
SGS RoHS Verification Report (GEG35ES-2RS)
SGS RoHS Verification Report (ETC-F-SM208)
SGS RoHS Verification Report (ETC-F-SM208)
SGS RoHS Verification Report (SIJK 20 C-R(CHS20))
SGS RoHS Verification Report (SIJK 20 C-R(CHS20))
TÜV Rheinland Test Report
TÜV Rheinland Test Report
ISO 45001: 2018
ISO 45001: 2018
ISO 14001:2015
ISO 14001:2015
IATF 16949
IATF 16949

Success Stories & Case Studies

Offshore Processing Equipment

Offshore Processing Equipment

Meets the requirement of 500 hours of rust-free performance and RohS/REACH compliant
Patent pending coating offers super corrosion resistance than conventional stainless steel,thus help reduce cost of equipment ownership.

Location: US 📦 Quantity: 70000
Fitness equipment

Fitness equipment

1)Lightweighting & Corrosion resistant
2) Number of Cycles: 20 Million
3) Entire assembly conductive
1) High strength Aluminum alloy to replace stainless steel, reduce weight 30%.
2) Custom design and reliability verification capability.
3) Resolved the issue of unstable electromagnetic interference.

Location: NL 📦 Quantity: 500000
Ice machine manufacturer

Ice machine manufacturer

1) Solving issues of insufficient clamping force by using concentric locking in replacing conventional setscrew, ecentric collar or adapter sleeve locking.
2) Solid lube eliminate the chance of occasional contact between grease and food.
1) Concentric locking collar with super clamping force.
2)Triple lip seal provides better protection againgst contamination.
3) Food grade solid lube offer super lubricating without leakage issue and designed for food processing industry
4) Electro-polishing offers extended corrosion resistance and super appearance.

Location: CA 📦 Quantity: 30000
Sorting Machinery OEM

Sorting Machinery OEM

High corrosion resistance
Light weight. Cater to important engineering demand for Frequent washdowns
Exposure to harsh chemicals
Exposure to high humidity

Location: NZ 📦 Quantity: 110000
Automotive OEM

Automotive OEM

Support high temperature environment
One piece design offers robust durability and higher strength.

Location: DE 📦 Quantity: 180000
Cold storage facilities

Cold storage facilities

Work properly in -50 celsius environment
Stable at low temperature ad longer service life

Location: NZ 📦 Quantity: 5000
Food processing OEM

Food processing OEM

Prevention of contamination High concentricity/low vibration. Reduce equipment ownership & maintenance cost 30%
Grip lock and solid lube

Location: GB 📦 Quantity: 15000
Hevry truck OEM

Hevry truck OEM

Capable of completing 5 million movements; -40°C min through to 300°C max, withstand typical road environment conditions.
High-temperature resistant and wear-resistant;maintenance free

Location: GB 📦 Quantity: 5000pcs

Company & Product Videos

Company Introduction & Factory Tour

⏱ Duration: 3:45 | 👁 Views: 15,230

Product Demonstration - Kestrel K-1

⏱ Duration: 5:12 | 👁 Views: 28,450

Technology Innovation Showcase

⏱ Duration: 4:30 | 👁 Views: 12,890

Customer Testimonials & Success Stories

⏱ Duration: 6:20 | 👁 Views: 9,650

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