Self-Aligning Ball Bearing
ZWZ Self-Aligning Ball Bearings Manufacturer | Precision Industrial Bearings
ZWZ manufactures high-performance self-aligning ball bearings engineered for industrial machinery, electric motors, gearboxes, and OEM applications. Backed by decades of manufacturing expertise and certified quality systems, we supply reliable bearing solutions to global distributors and industrial partners.
ZWZ Self-Aligning Ball Bearings feature a double-row design with a spherical outer ring raceway, enabling automatic compensation for shaft misalignment, deflection, and installation errors.
Technical Specifications
|
Parameter |
Details |
|
Bearing Type |
Double-Row Self-Aligning Ball Bearing |
|
Series Designations |
12 Series: Light series for normal loads and limited space |
|
Bore Diameter (d) |
5 mm to 110 mm |
|
Bore Type Options |
Cylindrical bore or Tapered bore (Taper 1:12, designated by suffix K) |
|
Internal Clearance |
C2 / C0 (Normal) / C3 / C4 |
|
Precision Class |
ISO Normal (P0), P6, and P5 |
|
Cage Options |
Polyamide (Nylon) snap-type cage, pressed steel, or machined brass |
|
Sealing Options |
Open: Unsealed for oil lubrication |
|
Manufacturing Standards |
Compliant with ISO 492, ISO 15, and DIN 620 |
Automatic Misalignment Compensation: The spherical outer ring raceway allows the inner assembly to swivel freely, neutralizing angular misalignment caused by shaft deflection or mounting errors.
Low Friction & High-Speed Capability: Optimized internal contact angles reduce sliding friction and lower operating temperatures for stable high-speed rotation.
Balanced Load Distribution: The double-row ball structure shares radial loads evenly while supporting light axial loads in both directions.
Extended Fatigue Life: High-purity bearing steel combined with precise heat treatment ensures exceptional wear resistance and subsurface strength.
Applications
Electric Motors & Generators
Accommodates thermal shaft elongation for quiet, low-vibration rotor support.
Gearboxes & Industrial Transmissions
Prevents binding caused by shaft deflection under heavy torque.
Fans & Blowers
Supports long-span ventilation shafts prone to dynamic structural bending.
Agricultural Machinery
Withstands heavy vibration, shock loads, and contaminated outdoor environments.
Conveyors & Material Handling
Manages long roller shafts and idler pulleys over extended spans.
Textile & Paper Processing
Delivers smooth, high-speed rotation for multi-roll processing lines.
We support global distributors, OEMs, and maintenance providers with comprehensive supply solutions:
Custom Dimensions & Clearances: Tailored bore, outer diameter, width tolerances, and non-standard radial clearances.
Special Lubrication: Factory pre-greasing using high-temperature, synthetic, food-grade, or extreme-pressure greases.
Specialized Cages: High-temperature polymer or custom metal cages for extreme operating environments.
Packaging & Logistics: Bulk industrial packaging, individual box branding, and flexible delivery schedules.
Quality Control & Certifications
Certifications
Manufactured under ISO 9001 and IATF 16949 quality management systems.
Inspection Protocol
Full-process verification covering raw material analysis, precision machining, heat treatment hardness, dimensional checking, and 100% noise/vibration testing.
Proven Manufacturing Heritage: Backed by decades of precision bearing production experience.
Reliable Bulk Supply: Large-scale manufacturing capacity ensuring consistent availability and stable lead times.
Certified Quality: Strict compliance with ISO 9001 and IATF 16949 standards for uniform batch performance.
Competitive Wholesale Pricing: Cost-effective supply models designed to maximize profit margins for global partners.
Dedicated Technical Support: Experienced engineering assistance for bearing selection and custom design projects.
FAQ
As one of the most professional self-aligning ball bearing manufacturers and suppliers in China, we also support customized service. Please feel free to wholesale durable self-aligning ball bearing made in China here and get pricelist from our factory. For price consultation, contact us.
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