Core Product
Insert Bearings
Spherical outside surface bearings with set screw or eccentric locking — UC, SA, SB series for versatile mounting options.
Home
Mounted Units
Pillow Block Bearings
Self-aligning mounted bearing units — UC, UCP, UCF, UCFL, UCT series for heavy-duty industrial applications.
Agricultural Solutions
Built for the Field
Reliable bearing solutions powering harvesters, planters, and tractors across global farming operations.
Precision Engineering
Agricultural Machinery Bearings
Purpose-built with enhanced sealing against dust, moisture, and corrosion for continuous field operation.
Welcome to Linqing Zhonghai Jinggong Bearing Manufacturing Co., Ltd. (ZHJG Bearings) – Your Global Source for High-Performance Agricultural & Industrial Bearing Solutions.
As a leading specialist in the bearing industry, ZHJG Bearings is dedicated to engineering precision-manufactured products that ensure operational efficiency in the most demanding environments. With over 20 years of expertise and an ISO-certified production base, we provide a comprehensive range of solutions tailored for global OEMs and distributors.
Our diverse product portfolio is organized into seven core categories to meet your specific application needs:
Insert Bearings: Standard and precision insert bearings with set screw or eccentric locking (UC, HC, SA, SB, SER, SSUC series).
Mounted Units: Complete bearing units including pillow blocks, flanges, and take-up units for easy installation and self-alignment.
Agricultural Bearings: Heavy-duty bearings for disc harrows, planters, augers, and other essential farm equipment featuring multi-seal protection.
Special Bearings: Custom-engineered bearings for specialized industrial applications with unique bore sizes and heat treatments.
Accessories: A full range of bearing housings, locking collars, adapter sleeves, and grease fittings.
SS Insert Bearings: Corrosion-resistant stainless steel (SUS304/SUS440C) insert bearings for food processing and marine applications.
SS Bearing Units: Complete stainless steel mounted units designed for hygienic and corrosive environments, fully washdown compatible.
At ZHJG Bearings, we combine state-of-the-art automated manufacturing with rigorous quality control to deliver products that offer superior load capacity and extended service life. Explore our collection of over 500 models and discover why ZHJG is the trusted partner for agricultural and industrial rotation excellence worldwide.
Product Catalog
Bearing Solutions
Comprehensive range engineered for maximum reliability across industrial and agricultural applications.
Insert Bearings
Standard and precision insert bearings with set screw or eccentric locking. UC, HC, SA, SB, SER, SSUC series available.
Mounted Units
Complete bearing units including pillow blocks, flanges, and take-up units for easy installation.
Agricultural
Heavy-duty bearings for disc harrows, planters, augers, and other farm equipment.
Special Bearings
Custom-engineered bearings for specialized industrial applications and unique requirements.
Accessories
Bearing housings, locking collars, adapter sleeves, grease fittings, and maintenance accessories.
SS Insert Bearings
Corrosion-resistant stainless steel insert bearings for food processing, marine, and chemical applications.
SS Bearing Units
Complete stainless steel mounted bearing units for hygienic and corrosive environments.
Featured Products
Popular Models
Our best-selling bearing models trusted by customers worldwide.
Quality Assurance
Internationally Certified · Trusted Worldwide
Every product passes rigorous quality control backed by internationally recognized certifications.
ISO 9001:2015
International Quality Management System Certified
ISO 14001
Environmental Management System Certified
SGS Tested
Third-party quality inspection & testing verified
CE Marked
Compliant with European safety standards
Exported to 50+ Countries
Covering Europe, South America, Southeast Asia & Africa
OEM / ODM
Custom OEM/ODM services for international brand partners
About ZHJG
Linqing Zhonghai Jinggong Bearing Manufacturing
Based in Linqing, Shandong Province — the heart of China's bearing industry — ZHJG specializes in manufacturing high-precision pillow block bearings and agricultural machinery bearings for global markets.
With over two decades of expertise, our ISO-certified production lines deliver bearings that meet the strictest international quality standards, serving customers across 50+ countries.
Years Experience
Product Models
Export Countries
Quality Tested
Manufacturing Strength
Modern Factory · Precision Manufacturing
Located in Linqing, China's bearing capital, equipped with advanced production lines and rigorous quality control systems.
Factory Area
Annual Capacity (sets)
Team Members
Product Models
Lead Time (days)
Production Lines
Raw Material Inspection
100% incoming inspection of GCr15 bearing steel
Precision Machining
CNC turning & grinding with micron-level tolerance
Heat Treatment
Vacuum heat treatment, hardness HRC 58-64
Final QC & Testing
Vibration, noise & life-span testing for every batch
Applications
Built for Every Industry
Industrial
Conveyor systems, pumps, fans, and general machinery
Agricultural
Harvesters, planters, tillers, and irrigation systems
Construction
Cement mixers, crushers, and material handling equipment
Transport
Mining vehicles, logistics systems, and heavy-duty trucks
Need Samples or a Product Catalog?
Contact us for free samples and our complete product catalog to help you make the best decision.
FAQ
Frequently Asked Questions
Common questions about our products, ordering, and partnership
What is your Minimum Order Quantity (MOQ)?
Our MOQ for standard models is 100 sets. For custom specifications, the MOQ depends on the product. Contact us for a detailed quote.
What is your lead time?
In-stock items ship within 3-5 days. Custom orders typically take 15-25 business days. For large orders, please contact us in advance for production scheduling.
Do you offer OEM/ODM services?
Yes, we provide full OEM/ODM services including custom packaging, branding, special specifications, and materials. We have partnered with multiple international brands.
Can you provide samples?
Yes. We offer 1-2 free samples for standard models (freight collect). Custom sample costs depend on the specifications.
How do you ensure product quality?
We are ISO 9001 certified. Every batch undergoes 100% vibration, noise, and lifespan testing. We welcome third-party inspections from SGS, Bureau Veritas, and others.
What payment methods do you accept?
We accept T/T (bank transfer), L/C (Letter of Credit), and Western Union. For first orders, we typically require 30% deposit with the balance due before shipment.
