Roller Bearing
ZWZ Precision Roller Bearings | Industrial & OEM Solutions
With over 30 years of manufacturing expertise, ZWZ delivers high-performance roller bearings designed for extreme industrial applications. We supply global distributors, heavy machinery builders, and OEM clients with high-precision cylindrical, tapered, and spherical roller bearings, alongside custom non-standard solutions.
Roller bearings utilize cylindrical, tapered, or spherical rolling elements to provide a larger contact raceway area than ball bearings, enabling them to withstand significantly higher radial, axial, and combined loads.
Core Engineering Advantages:
Heavy-Duty Capacity: Optimized contact stress distribution for intense industrial workloads.
Continuous Operation: Engineered to minimize thermal expansion and friction during 24/7 duty cycles.
Shock Resistance: Robust structural integrity designed to absorb high-impact forces.
Global Interchangeability: Manufactured strictly to international dimensional standards.
Complete Range of Roller Bearings
Cylindrical Roller Bearings: Engineered for high radial load capacities and high-speed operation, featuring low friction and easy maintenance. Typical applications include electric motors, industrial gearboxes, compressors, and rolling mills.
Tapered Roller Bearings: Designed with a cup-and-cone structure to handle combined radial and axial loads with high shock-load tolerance. Typical applications include automotive wheel hubs, heavy transmissions, and construction machinery.
Spherical Roller Bearings: Built for severe heavy-load applications prone to shaft deflection or angular misalignment, offering inherent self-aligning capability and high vibration resistance. Typical applications include mining crushers, vibrating screens, heavy conveyors, and steel mills.
Custom Roller Bearing Solutions: Tailored non-standard designs manufactured to exact client specifications, including modified dimensions, special internal clearances, and custom cage materials for unique industrial requirements.
Technical Specifications
|
Parameter |
Specification Details |
|
Bearing Types |
Cylindrical, Tapered, Spherical Roller Bearings, Custom Designs |
|
Bearing Steel |
High Carbon Chromium Steel (GCr15 / SAE 52100) |
|
Precision Classes |
ISO Class Normal (P0), P6, P5, P4 |
|
Internal Clearances |
C2, Normal (CN), C3, C4, C5 |
|
Cage Options |
Stamped Steel, Machined Brass, Polyamide (Polymer) |
|
Lubrication Options |
Open (Unsealed), Shielded, or Pre-lubricated Sealed Designs |
|
Manufacturing Standards |
ISO 9001, IATF 16949, ISO, DIN, JIS, ABMA Compliant |
|
Bore Diameter |
Customized to exact client requirements (Standard & Non-Standard) |
|
Customization Support |
OEM/ODM drawing review, prototype development, and private labeling |
Key Performance Advantages
Superior Load-Carrying Capacity
Optimized roller-to-raceway geometry minimizes localized stress, ensuring long-term reliability in severe operating environments.
Extended Fatigue Life
Vacuum-degassed GCr15 steel combined with advanced heat treatment delivers high wear resistance and structural stability.
High-Precision Machining
Multi-axis CNC grinding ensures micro-smooth raceways for whisper-quiet rotation and low vibration signatures.
Harsh Environment Resilience
Engineered to perform reliably under heavy shock loads, continuous vibration, and marginal lubrication.
[1. Raw Material Selection] ➔ [2. Forging & Heat Treatment] ➔ [3. CNC Machining & Grinding] ➔ [4. Clean Assembly] ➔ [5. Final Inspection]
Manufactured under strict ISO 9001 and IATF 16949 standards, every production batch undergoes rigorous multi-stage testing:
Material Analysis: Spectrometric composition and grain structure verification.
Dimensional Metrology: Air gauges and 3D coordinate measuring machines (CMM).
Hardness Testing: Rockwell and Vickers hardness checks across rings and rollers.
Performance Verification: Automated noise, vibration (Andger), and clearance testing.
Target Industries
Mining & Aggregate
Jaw crushers, cone crushers, excavators, and heavy conveyors.
01
Steel & Metallurgy
Hot/cold rolling mills, continuous casting, and industrial drives.
02
Automotive & Commercial
Vehicle transmissions, wheel-end systems, and axles.
03
Industrial Machinery
Heavy gearboxes, large electric motors, and pumps.
04
Energy Equipment
Wind turbine main shafts, gearboxes, and power generation units.
05
We offer comprehensive custom engineering services for non-standard requirements:
Non-Standard Geometry: Custom outer/inner diameters, widths, and cross-sections.
Application Modifications: Special internal clearances, modified cages (machined brass for high heat), and surface coatings.
Seamless Replacement: Direct interchangeability matching major global part numbers.
How to Order: Provide your engineering drawings, part interchange numbers, or operational parameters (speed, load, temperature) for a tailored solution.
Why Partner With Us?
Industry Experience
Decades of specialized manufacturing and technical expertise.
Scalable Supply
High-volume automated production ensuring stable lead times for global orders.
Technical Support
Professional engineering assistance for bearing selection and failure analysis.
Global Logistics
Streamlined export compliance, secure industrial packaging, and international freight support.
FAQ
As one of the most professional roller bearing manufacturers and suppliers in China, we also support customized service. Please feel free to wholesale durable roller bearing made in China here and get pricelist from our factory. For price consultation, contact us.