Ball Bearing
ZWZ Ball Bearing Manufacturer | Precision Industrial Ball Bearings Supplier
ZWZ manufactures high-quality ball bearings designed for smooth operation, reduced friction, and long service life. Backed by advanced manufacturing technology, strict quality control (ISO 9001 and IATF 16949 certified), and comprehensive bearing solutions, we supply standard and customized ball bearings for global distributors, machinery manufacturers, and OEM customers.
Our ball bearings are globally trusted and widely used in electric motors, gearboxes, pumps, automation equipment, automotive components, and heavy industrial machinery.
Why Global Buyers Choose ZWZ
Complete Product Portfolio
One-stop sourcing for standard and custom ball bearings
01
Proven Manufacturing Scale
High-capacity production lines ensuring stable lead times.
02
Certified Quality Management
Fully compliant with ISO 9001 and IATF 16949 international standards.
03
Global Export Expertise
Safe, reliable international shipping and responsive multilingual customer service.
04
Comprehensive OEM Support
Complete flexibility for private labeling and custom design builds.
05
Ball Bearing Technical Specifications
|
Technical Parameter |
Specification Options |
|
Bearing Type |
Ball Bearing |
|
Structure |
Single Row / Double Row |
|
Standard Material |
GCr15 High-Carbon Chromium Bearing Steel |
|
Corrosion-Resistant Option |
SUS440C Stainless Steel Available |
|
Precision Grade |
ISO Class P0, P6, P5, P4 |
|
Internal Clearance |
C2, Normal, C3, C4 |
|
Seal / Shield Type |
Open, ZZ (Metal Shields), 2RS (Rubber Seals) |
|
Cage Material |
Steel, Brass, Nylon |
|
Lubrication Options |
High-Performance Grease / Industrial Oil |
|
Manufacturing Standards |
ISO 9001, IATF 16949, DIN, JIS |
Precision Machining: Accurate processing of rings, raceways, and rolling elements ensures strict dimensional tolerance, fine surface finishes, and controlled internal clearance.
Low Noise & Vibration: Optimized raceway geometry minimizes running noise, vibration, and friction losses for stable equipment performance.
Long Service Life: Premium GCr15 steel delivers excellent wear resistance and structural fatigue endurance under continuous heavy loads.
Flexible Sealing Options: Configured with open designs, ZZ metal shields, or 2RS rubber seals to match specific environmental protection needs.
Deep Groove Ball Bearings: The industry standard for general industrial applications, engineered for high-speed capability, low noise, and versatility in electric motors, pumps, and gearboxes.
Angular Contact Ball Bearings: Designed for high-precision operations and applications requiring increased axial load capacity, such as CNC machine tool spindles.
Self-Aligning Ball Bearings: Engineered to compensate for shaft misalignment, minimizing installation errors in long shaft systems.
Thrust Ball Bearings: Optimized specifically to handle heavy axial load applications in vertical drive shafts and power transmission systems.
Professional Ball Bearing Manufacturing Process
Material Inspection
Incoming raw steel bars and tubes undergo rigorous chemical composition and metallurgical testing.
Precision Machining
Inner and outer rings are turned and shaped with strict dimensional tolerance control.
Heat Treatment
Controlled thermal processing optimizes material hardness and fatigue endurance.
Grinding & Super Finishing
Raceways are micro-finished to achieve mirror smoothness and optimal rotational performance.
Assembly
Rolling elements, precision cages, and seals are integrated in clean-room conditions.
Final Testing
Every production batch undergoes comprehensive quality audits prior to export packaging.
Strict Quality ControlProcedures
|
Inspection Type |
Purpose & Impact |
|
Dimension Measurement |
Ensures accurate housing and shaft fitting with zero tolerance slip. |
|
Hardness Test |
Verifies structural material strength and wear limits. |
|
Noise Test |
Detects micro-irregularities to guarantee quiet operating performance. |
|
Vibration Test |
Evaluates running stability at varying RPMs. |
|
Rotation Test |
Confirms smooth, bind-free turning torque. |
We offer fully customized bearing engineering solutions designed around your exact technical specifications:
- Non-standard dimensions and custom geometric tolerances
- Special internal clearances for extreme temperatures
- Customized sealing solutions for specialized chemical or wet environments
- Specialized high-temperature or food-grade lubrication
- OEM export packaging and private brand labeling
FAQ
As one of the most professional ball bearing manufacturers and suppliers in China, we also support customized service. Please feel free to wholesale durable ball bearing made in China here and get pricelist from our factory. For price consultation, contact us.