HOLK Bearing Co., Ltd – Premium Bearing Housings & Power Transmission Solutions

About HOLK Bearing

Founded in 1999, HOLK Bearing Co., Ltd is a leading ISO 9001-2015 certified manufacturer specializing in high-quality bearing housings, adapter sleeves, withdrawal sleeves, lock nuts, sprockets, gears, and various power transmission and rubber products.

With four advanced manufacturing facilities in China, HOLK has established itself as one of the top 3 plummer block manufacturers and top 5 adapter sleeve producers in the country. Our registered brand "HOLK" is synonymous with durability, precision, and reliability across global industrial markets.

We supply nearly 1 million USD worth of bearing housings annually to the world's largest iron ore producer, demonstrating our capability to meet the most demanding industrial requirements.

ISO 9001:2015 Certified 4 Manufacturing Plants 25+ Years Experience

Our Product Range

Comprehensive solutions for industrial power transmission and bearing support systems. All products meet international standards and are engineered for durability and precision.

SNL 500 Series Split Plummer Block Housings

Robust split design for easy installation and maintenance. Ideal for heavy-duty industrial applications.

Model: SNL 532
Type: Split Plummer Block
Application: Conveyor systems, mining equipment

H3 Series Bearing Adapter Sleeves

Precision-engineered sleeves for secure bearing mounting on tapered shafts.

Model: H309
Series: H3 / H300
Finish: Blackened treatment available

AH Series Bearing Withdrawal Sleeves

Efficient removal of tapered bore bearings. Available in standard and hydraulic versions.

Model: AH 3072
Series: AH 30 / AHX 30
Type: Withdrawal Sleeve

SNL 3000 Series Plummer Block Housings

Heavy-duty plummer blocks designed for extreme load conditions and continuous operation.

Model: SNL 3064
Capacity: Up to 8 tons/pc
Design: Split housing for easy maintenance

KMT Series High Precision Lock Nuts

Secure locking mechanism for bearings on tapered sleeves. Prevents loosening under vibration.

Model: KMT 19
Type: Precision Lock Nut
Material: High-strength alloy steel

SE Series Split Plummer Block Housings

Compact design with high load capacity. Suitable for space-constrained applications.

Model: SE 512-610
Type: Split Plummer Block
Standard: International compliance

Conveyor Impact Bars

Protect conveyor belts from material impact. Extend belt life and reduce maintenance.

Type: Rubber Impact Bars
Application: Impact beds, loading zones
Material: Wear-resistant rubber

Sprockets & Gears

Custom-engineered power transmission components for industrial machinery.

Type: Roller chain sprockets, spur gears
Material: Alloy steel, case-hardened
Standard: ANSI, ISO, DIN

View All 167 Products

Competitive Advantages

Why global industries trust HOLK Bearing for their critical power transmission needs.

Top 3 Plummer Block Manufacturer in China

Recognized leader in split bearing housing production with advanced casting and machining capabilities.

Top 5 Adapter Sleeve Producer

Precision machining ensures perfect fit and reliable performance in demanding applications.

$1M+ Annual Supply to Major Iron Ore Producer

Proven reliability in one of the world's most challenging industrial environments.

8 Tons/pc Maximum Capacity

One of the largest bearing housing manufacturing capacities in China for heavy industrial use.

ISO 9001:2015 Certified

Comprehensive quality management system ensuring consistent product excellence.

25+ Years Industry Expertise

Over a century of combined engineering experience across our technical team.

Frequently Asked Questions

What is the maximum bearing housing size HOLK can manufacture?

HOLK has a maximum manufacturing capacity of up to 8 tons per piece, making us one of the largest producers of heavy-duty bearing housings in China.

Are your products compliant with international standards?

Yes, all HOLK Bearing products meet relevant international standards and regulations, including ISO, ANSI, and DIN specifications.

Can you produce custom bearing housings?

Absolutely. We specialize in custom-made plummer block bearing housings tailored to specific customer requirements and applications.

What industries do you serve?

We serve mining, steel, cement, power generation, conveyor systems, and heavy machinery industries worldwide.

What certifications does HOLK Bearing hold?

HOLK Bearing is ISO 9001:2015 certified, ensuring our quality management system meets international standards.

Do you supply globally?

Yes, we export to customers worldwide and have established long-term partnerships with industrial leaders across multiple continents.

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Precision Bearing Housings & Power Transmission Components