Hangzhou Huaxing Kechuang Holding Group Co., Ltd. is one of the leading manufacturers and suppliers of angular contact ball bearings 7000aw in China. As we have world-leading production equipment and strong manufacturing capabilities, we warmly welcome you to buy bulk high quality bearings at competitive price from our factory.
Bearing No. 7000AWP5/P6-Angular Contact Ball Bearings
Technical Data
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Inside Ø (mm): |
10 |
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Outside Ø (mm): |
26 |
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Width (mm): |
8 |
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Contact Angle: |
30° |
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Ring Material: |
GCr15, 100Cr6, SUJ2 |
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Rolling Element Material: |
Steel GCr15 |
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Cage Material: |
Steel |
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Tolerance Class: |
P6, ABEC6 |
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Type of lubrication: |
Oil |
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Product weight: |
0,019 kg |
Feature
1. Advantages of 30° Contact Angle (Suffix A)
Superior axial load bearing capacity The 30° contact angle is larger than standard 15° (C) and 25° (AC) versions. It delivers drastically enhanced one-way axial thrust capacity, perfectly coping with combined radial + heavy axial loads generated by screw drives, gear transmission and pump
Higher structural rigidity & stable rotation precision Larger contact area between steel balls and raceways reduces elastic deformation under composite loads. The shaft runs with tiny deflection, maintaining excellent positioning accuracy under fluctuating loads.
Strong anti-overturning performance after paired assembly When arranged in DB (back-to-back) or DF (face-to-face) configurations, the wide contact angle greatly improves resistance to overturning torque. It avoids shaft wobble during start-up, shutdown and variable-speed operation.
Excellent adaptability to alternating axial loads It runs reliably under cyclic forward and reverse axial force, extending service life for equipment with frequent load changes.
Balanced speed & load performance It sacrifices a small portion of maximum rotating speed compared to smaller contact angles, in exchange for much stronger load capacity, making it the ideal universal option for medium-speed, medium-to-heavy load industrial scenarios.
2. Advantages of W Type Stamped Steel Cage (Pressed Iron Cage)
Suffix W stands for one-piece stamped steel cage, the standard retainer for 7200A series bearings:
Extremely cost-effective, competitive pricing Stamped steel manufacturing features simple processing and mass production, far lower cost than solid brass cages, greatly reducing overall equipment procurement costs.
Lightweight design for higher limiting speed The thin pressed steel structure is light in weight, producing smaller centrifugal force during high-speed rotation. It supports higher maximum rotational speed than heavy brass cages, suitable for continuous medium-high speed running.
Good structural toughness & anti-vibration property Integral stamping molding offers outstanding shock resistance and vibration resistance. It will not crack easily under regular mechanical vibration and slight impact loads for long-term operation.
Large internal space for sufficient lubricant storage The window-type stamped cage reserves more cavity space inside the bearing, holding more grease to prolong relubrication intervals and reduce daily maintenance frequency.
Wide temperature adaptability Stable working range: -30℃ ~ 120℃, compatible with most general industrial greases and circulating oil lubrication systems.
High dimensional stability No thermal deformation under normal operating temperature; consistently guides rolling balls evenly to keep smooth bearing operation.
Minor shortcoming: It has weaker heavy-shock resistance than machined brass cages, not recommended for extreme heavy impact working conditions.
| Cage Type | Core Advantages | Typical Applications |
|---|---|---|
| Pressed Steel | High strength, high rigidity, heat resistance, cost-effective | Heavy-duty equipment, compressors, pumps, general industrial machinery |
| Machined Brass | High strength, good vibration damping, superior high-speed performance | High-speed heavy-duty applications, oscillating conditions, turbines |
| Polymer | Low noise, low friction, lightweight, self-lubricating | High-speed precision spindles, electric motors, low-noise equipment |
Applications
- CNC lathe spindles, grinding machine spindle, engraving machine shaft, high-speed tool holder bearings, precision machining head assemblies.
- Hydraulic pump shaft, mold oil pump, vacuum pump, small centrifugal pump rotating support.
- Auto A/C electromagnetic clutch, small vehicle differential pinion, turbocharger auxiliary rotating components.
- High-frequency servo motor, robot arm joint bearing, high-speed blower/fan motor, small precision gearbox support.
- 7000AWP5/P6-Angular contact ball bearings also used for dental high-speed handpiece, laboratory centrifuge rotor, miniature precision testing instrument spindle.
Advantages
HXB was founded in 1995, with nearly 30 years of dedicated development, HXB now operates6 subsidiaries.
∗ 2 high-tech R&D centers
∗ 2 modern manufacturing factories - Hangzhou Yijia Precision Bearing Co., Ltd. and Zhejiang Ruiyang Bearing Technology Co., Ltd.
∗ Supported by advanced digital MES and SPC management systems
∗ IATF16949:2016, ISO9001:2015 and ISO14001 certifications
∗ High-end equipment and high-quality material
About HXB
1. Hangzhou Factory - YJB
Founded in June 2007, YJB is located in Hangzhou. As a subsidiary of HXB Group, we are a national high-tech enterprise and provincial science & technology enterprise specializing in R&D and manufacturing of high-precision, high-speed, advanced, special and professional bearings.
Core Strengths & Smart Production
Our product lineup covers bearings with inner diameters from 3 millimeters up to 300 millimeters. We supply ultra-precision bearings in P2 and P4 tolerance classes to meet high-accuracy application demands. Our lean intelligent production base boasts an annual production capacity of 3 million precision bearing units. We have poured over 3 million Chinese Yuan into internationally renowned precision measuring and testing instruments to guarantee consistent product accuracy. Comprehensive digital systems have been implemented throughout our factory, including the MESYS bearing design system, ERP resource planning, MES production execution, WMS warehouse management, SPC real-time quality tracking and OA administrative systems. We have successfully constructed a first-class intelligent manufacturing benchmark plant.
Main Products
Precision Spindle Bearings
Angular Contact Ball Bearings
Servo Motor Bearings
Vacuum Pump Bearings
Ball Screw Support Bearings
2. Huzhou Factory
Our deep groove ball bearing workshop moved from Hangzhou to Huzhou back in 2021. Covering 10,000 ㎡ manufacturing space with 75 on-site staff, we concentrate on R&D and production of premium deep groove ball bearings.
Rigorous technical and quality systems are enforced to guarantee lasting precision and reliability of bearings.
Engineering Team: 4 engineers for bearing design & process development (5% of total employees)
Quality Team: 15 quality members including 2 professional QA engineers, accounting for 20% of staff. They carry out full-range checks: incoming material test, in-process inspection and finished goods final testing.
Product Range
Series: 6000–6024, 6200–6214, 6300–6314, 6800–6824, 6900–6924
Features: High rigidity, low noise; suitable for grease lubrication or oil-mist lubrication.
6 Series X4YA-2RS (Double-lip seal) & APT Retainer Series
Features: High & low temperature resistance, superior sealing, high load capacity, long service life.
Application: New energy vehicle transmission systems.
Certificates
Exhibition
FAQ
Q1: What does suffix A mean in 7200AW bearings?
A: A refers to the 30° contact angle. Compared with 15°C and 25°AC types, it features larger axial load capacity, higher rigidity and better anti-overturning performance, ideal for shafts bearing combined radial and axial loads. Its maximum rotating speed is moderately lower than small contact angle bearings.
Q2: What is the W cage for 7200AW? What are its strengths?
A: W stands for stamped steel pressed cage (iron cage). It is lightweight to allow higher speed operation, cost-efficient for bulk orders, vibration-resistant, and holds more grease inside to extend lubrication cycles. It is the most economical standard cage for general industrial use.
Q3: Can single 7200AW bearing bear two-way axial loads alone?
A: No. A single angular contact ball bearing only withstands one-way axial force. To sustain bidirectional axial loads and improve overall rigidity, two or more bearings must be paired in DB or DF arrangement.
Q4: What scenarios are 7000AW bearings most suitable for?
A: They are widely used for ball screw supports on CNC machines, servo motors, small gear reducers, hydraulic pumps, air compressors, textile machines, printing equipment, industrial fans and automation transmission components.
Q5: What is the difference between 7200AW with steel cage and brass cage version?
A: Stamped steel W cage costs less, weighs lighter and runs faster, fit for medium speed & regular load conditions. Solid brass cage boasts stronger shock resistance and heat dissipation, applied to heavy-load, continuous running harsh working conditions with higher budget.
Q6: What are the typical failure modes of pressed steel cages, and how can they be prevented?
A: Common failure modes include cage deformation, fracture of pockets or pillars, and wear on guide surfaces. These failures are typically caused by improper mounting (misalignment), excessive shock loads, high vibration, poor lubrication, or sudden acceleration/deceleration. To prevent these issues, it is essential to verify the mounting method and alignment, ensure proper lubrication conditions, reduce external vibration, and select the correct cage type and lubricant for the specific speed and load profile of the application.
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