-- SKF Authorized Engineering Partner
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- Product Name
- 无法完成任务,因为缺少核心的<|产品标题|>具体内容,无法创作包含产品型号、参数及核心卖点的SEO标题。请提供完整的产品标题信息。
- Category
- Deep Groove Ball Bearing
- Quality Standard
- ISO 9001 / TS 16949
- Lead Time
- 8-12 Weeks Custom
- Minimum Order
- Negotiable
15+ Certified Engineers On-Call
Free application analysis · Failure diagnosis · Custom modification guidance. Response within 24 hours.
Product Specifications
| Parameter | Details |
|---|---|
| Model Number | 6904 |
| Specification | 20*37*9 mm |
| Material | Chrome Steel, Stainless Steel, Ceramic, Nylon |
| Load Direction | Radial Bearing |
| Lubrication | Grease or Oil |
| Precision Rating | P0 P6 P5 P4 P2 |
| Standard | DIN GB ISO JIS ANSI |
| Rows Number | Single |
| Separated | Unseparated |
| Certification | ISO9001:2008 |
| Stock | in Stock |
| Service | OEM ODM |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Automation Equipment | Conveyor systems, robotic arms, precision machinery |
| Automotive | Wheel hubs, transmission components, electric motors |
| Industrial Machinery | Pumps, gearboxes, textile machinery |
| Hydraulic Systems | Cylinder pivot points, hydraulic motor bearings |
Struggling with Radial Bearing Reliability? The 6904 Model Delivers Consistent Performance
Many maintenance managers face the same problem: radial bearings that fail prematurely due to poor material quality or imprecise manufacturing. A bearing with incorrect precision class can cause excessive vibration, while substandard steel leads to early wear in high-load applications. Sourcing the right model across multiple brands often means juggling multiple suppliers and inconsistent lead times.
Engineered for Durability in Critical Radial Load Applications
The 6904 radial bearing addresses these challenges through its adherence to international standards (DIN, ISO, JIS) and multiple precision class options (P0 to P2). As a professional bearing supplier with ISO 9001:2008 certified production processes, we ensure each unit meets strict dimensional and hardness specifications. Whether you need a standard chrome steel variant for industrial gearboxes or stainless steel for corrosion-prone environments, our extensive inventory ensures quick availability without compromising quality.
Optimal Performance in Moderate Speed, Radial Load Scenarios
This single-row radial bearing excels in applications with primarily radial loads and moderate rotational speeds. Its 20mm bore diameter, 37mm outer diameter, and 9mm width make it ideal for compact machinery where space is limited. The unseparated design simplifies installation, while grease or oil lubrication options allow adaptation to different operating conditions—from clean factory settings to moderately contaminated industrial environments.
Key Engineering Features That Impact Service Life
The material selection directly influences performance: chrome steel offers excellent wear resistance for general industrial use, while stainless steel provides corrosion protection in food processing or marine applications. Ceramic variants reduce weight and heat generation for high-speed scenarios. Precision class P5 or P4 ensures minimal runout, critical for precision equipment like CNC machines where vibration can affect machining accuracy. The radial load capacity, combined with proper lubrication, extends service intervals and reduces maintenance downtime compared to lower-quality alternatives.
Why Precision and Material Quality Lower Total Cost
Choosing the right 6904 bearing variant directly affects your total cost of ownership. A bearing with insufficient precision (e.g., P0 in a high-precision application) may require frequent replacement, leading to unplanned downtime and higher labor costs. Inferior materials can fail under load, potentially damaging adjacent components and creating safety hazards. By selecting the appropriate material and precision class upfront, you avoid these hidden costs and ensure consistent performance throughout the bearing’s service life.
Quality Assurance You Can Verify
Our ISO 9001:2008 certification covers the entire production and inspection process, from raw material testing to final dimensional verification. Each 6904 bearing undergoes hardness testing and surface finish inspection to meet specified standards. We provide a warranty against manufacturing defects, with clear terms for replacement or refund. As a supplier handling both自有 and international brand bearings, we can source or produce to your exact specifications, ensuring compatibility with existing equipment.
Packaging & Shipping
- Packaged in cartons with pallet options for bulk orders
- Available from in-stock inventory for immediate shipment
- Transport by sea, air, or express courier based on urgency
- Low minimum order quantity supported for small-scale requirements
Get Your 6904 Bearing Quote Today
Whether you need a single 6904 bearing for emergency replacement or bulk quantities for production, we can provide competitive pricing and reliable delivery. Specify your required material, precision class, and quantity, and our technical team will confirm compatibility with your application. Early order confirmation ensures priority processing from our in-stock inventory.
Frequently Asked Questions
Q: Can you supply other bearing brands or models besides the 6904?
A: Yes, we offer a full range of bearing types including deep groove ball, roller, and stainless steel bearings, covering both自有品牌 and international brand specifications. We can source or produce to your exact model requirements.
Q: How do I confirm if the 6904 bearing fits my equipment?
A: Provide your equipment model or existing bearing dimensions (bore diameter x outer diameter x width), and our technical team will verify compatibility with the 6904 specifications.
Q: What is your warranty policy for the 6904 bearing?
A: We provide a warranty against manufacturing defects. Specific terms, including duration, are outlined in our sales contract, with replacements or refunds available for verified production issues.
Q: What is the minimum order quantity for the 6904 bearing?
A: We support low minimum order quantities, including single-unit purchases for emergency replacements, with volume discounts available for larger orders.
Q: How quickly can you ship the 6904 bearing?
A: Since the 6904 is in stock, we typically ship within 1-2 business days. Express courier options are available for urgent delivery requirements.
Q: Do you offer OEM/ODM customization for the 6904 bearing?
A: Yes, we support OEM/ODM services, including custom materials, lubrication, and packaging, based on your specific application requirements and drawings.
Ready to order or need a quote?
Send the bearing model, dimensions (d x D x B), and quantity — we’ll get back to you with pricing and lead time.
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Wind Power
Main shaft, gearbox, and generator bearings for onshore and offshore wind turbines. Engineered for 20+ year service life.
Mining & Heavy Industry
Crushers, conveyors, and processing equipment bearings designed to withstand shock loads and contaminated environments.
Steel & Metallurgy
Rolling mill and continuous casting bearings rated for extreme temperatures, heavy loads, and aggressive lubricants.
Automotive & EV
Hub units, transmission, and electric motor bearings meeting TS 16949 requirements for passenger and commercial vehicles.
Precision Machinery
Machine tool spindle and robotics bearings with P4/P2 accuracy class for ultra-precise positioning and minimal vibration.
General Industrial
Pumps, fans, compressors, and conveyor systems across all manufacturing sectors requiring reliable, cost-effective bearing solutions.
Authorized SKF Engineering Partner
Official partner since 1998 with direct access to SKF technical resources, genuine products, and engineering expertise.
15+ Certified Engineers On-Staff
In-house team provides application design, failure analysis, and predictive maintenance -- reducing bearing failures by 35%.
ISO 9001 & TS 16949 Certified QC
Every product undergoes rigorous pre-shipment inspection with full documentation for traceability and compliance.
Global Logistics to 50+ Countries
Dedicated account managers and reliable delivery networks ensure on-time supply for enterprise clients worldwide.
Performance Metrics
35%
Failures Prevented
70%
Downtime Reduction
25+
Years Experience
24h
Quote Response
78% of large enterprises prefer suppliers offering integrated technical support and lifecycle services.
Application Design
EngineeringCustom bearing selection and system design based on your specific load conditions, speeds, temperatures, and environmental factors.
Failure Analysis
DiagnosticsRoot-cause investigation of bearing failures using metallurgical testing, vibration analysis, and operating data review.
Predictive Maintenance
IIoTIIoT-enabled monitoring with smart sensor bearings for real-time vibration, temperature, and RPM tracking.
Custom Modification
CustomModified bearings with special coatings, seals, tolerances, or materials. Lead time 8-12 weeks from official channels.
On-Site Installation
SupportCertified engineers available for on-site installation support, alignment checks, and commissioning assistance worldwide.
Lifecycle Support
LifecycleLong-term service agreements including regular maintenance checks, replacement scheduling, and performance reporting.
Free samples available for orders over $50K
Validated against your KPIs before full production commitment.
-- Get In Touch
Request a Technical Consultation & Quote
Our certified engineers will review your application requirements and provide a detailed quote within 24 hours.
Address
No. 377 Bansongyuan Road, Huangpu District, Shanghai, China
Free Sample Program
Orders over $50K qualify for free product samples
Test against your KPIs before full production commitment. Ask our engineers for details.
Product Inquiry Form
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SKF Authorized Engineering Partner
Need technical support or a custom solution?
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