-- SKF Authorized Engineering Partner
SKF Cylindrical Roller Bearing N202em N203em N204em High Quality
Boost your machinery's reliability with precision-engineered SKF Cylindrical Roller Bearing solutions that minimize downtime and extend service life. These N202em, N203em, and N204em models deliver exceptional radial load handling, ensuring smooth operation even under heavy industrial stress.
- Single-row design optimized for high-speed applications, paired with P0-P2 precision ratings to meet strict performance standards
- Constructed from premium bearing steel with versatile Zz/2RS/Open seals, compatible with both grease and oil lubrication for flexible maintenance
- Trusted SKF quality combined with OEM/ODM service capabilities, backed by a production capacity of 1,000,000 units to keep your operations running without interruption
- Product Name
- SKF Cylindrical Roller Bearing N202em N203em N204em High Quality
- Category
- Angular Contact 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 | 676 677 678 679 |
| Bearing Type | Deep Groove Ball Bearings |
| Rows Number | Single |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
| Seals Type | Zz 2RS Open |
| Lubrication | Grease or Oil |
| Precision Rating | P0 P6 P5 P4 P2 |
| Vibration | Z1V1 Z2V2 Z3V3 |
| Specification | 8*22*7 mm |
| Origin | Japan |
| HS Code | 8482102000 |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Automation Equipment | Conveyor systems, precision machinery |
| Automotive | Electric motors, auxiliary components |
| General Engineering | Hydraulic pumps, gearboxes |
Need Reliable Deep Groove Ball Bearings for Your Equipment? Here’s What to Check
Finding the right bearing often means sifting through countless models, worrying about compatibility, and questioning if the quality matches the price. Many buyers face delays from suppliers with limited stock, or worse, receive bearings that fail prematurely due to poor material quality or imprecise manufacturing. When your production line depends on smooth operation, these issues aren’t just inconvenient—they cost time and money.
Engineered for Consistent Performance in Demanding Applications
This deep groove ball bearing series (models 676, 677, 678, 679) addresses these challenges with dimensions following international standards, ensuring interchangeability with major brands. Manufactured from high-grade bearing steel, it delivers reliable radial load capacity suitable for automation equipment, automotive components, and general engineering applications. With ISO 9001-certified production processes and a range of precision ratings (from P0 to P2), these bearings meet the needs of both standard and high-precision machinery.
Optimal Performance in Varied Operating Conditions
Designed for single-row radial loads, this bearing operates effectively with either grease or oil lubrication, adapting to different maintenance preferences and operating environments. The available seal options—ZZ (metal shield), 2RS (rubber seal), or open design—allow customization based on contamination risks and lubrication retention needs. Whether used in clean industrial settings or moderately dusty environments, the robust construction ensures stable performance across typical operating temperatures.
Key Engineering Features That Impact Reliability
The bearing’s 8x22x7 mm dimensions (bore diameter x outer diameter x width) make it suitable for compact installations where space is limited. Precision ratings play a critical role: P0 for general-purpose applications balances cost and performance, while higher grades like P5 or P2 reduce vibration (Z1V1 to Z3V3 classes) for sensitive equipment. The bearing steel material undergoes heat treatment to achieve optimal hardness, directly influencing wear resistance and fatigue life. Proper seal selection is equally important—2RS seals offer better protection against moisture and particles, extending maintenance intervals in harsh conditions.
Why Choosing the Right Bearing Lowers Total Cost
Selecting a bearing based solely on upfront cost often leads to higher long-term expenses. Inferior bearings with substandard steel or imprecise dimensions wear quickly, causing equipment vibration, noise, and unplanned downtime. This bearing’s compliance with international standards ensures proper fit, reducing installation errors and premature failure. By matching the precision rating and seal type to your application—for example, using P5 with Z2V2 vibration class in high-speed motors—you minimize replacement frequency and maintenance labor, ultimately lowering total cost of ownership.
Quality Assurance You Can Trust
Our production and inspection processes adhere to ISO 9001 standards, with rigorous testing of raw materials and finished products. Each bearing undergoes dimensional checks, hardness testing, and surface quality inspection to ensure consistency. We stand behind our products with a warranty covering manufacturing defects, and our flexible supply chain includes both standard inventory and OEM/ODM capabilities. Whether you need a single unit or bulk orders, we provide transparent specifications and reliable delivery.
Packaging & Shipping
- Standard packaging: Carton with pallet for bulk orders
- Stock availability ensures prompt dispatch for urgent requirements
- Multiple shipping options: Express courier, air freight, or sea freight based on delivery timeline
- Low minimum order quantity supported, ideal for both trial runs and large-scale production
Get a Custom Quote for Your Bearing Requirements
Whether you need this specific deep groove ball bearing or a different model, we can source and supply according to your exact specifications. Provide the bearing model, dimensions (d x D x B), quantity, and any special requirements (seal type, precision class, lubrication), and our team will prepare a detailed quote with lead time. The sooner you confirm your needs, the faster we can arrange delivery to keep your operations running smoothly.
Frequently Asked Questions
Q: Do you supply bearings from other brands or models?
A: Yes, we offer a full range of bearings including deep groove ball, cylindrical roller, and specialized types from various international and domestic brands. We can source specific models based on your requirements.
Q: How can I confirm if this bearing fits my equipment?
A: Provide your equipment model or the required dimensions (bore, outer diameter, width) and load conditions. Our technical team will verify compatibility with the bearing specifications.
Q: What is your warranty policy for bearings?
A: We provide a warranty against manufacturing defects. The specific terms are outlined in each order contract, covering replacement or refund for non-conforming products.
Q: What is the minimum order quantity for this bearing?
A: We support low minimum order quantities, including small batches for testing or maintenance needs. Contact us for details based on your required quantity.
Q: How long does shipping take, and what methods are available?
A: In-stock items ship within 1-3 business days. Shipping time depends on the method: express courier (3-5 days), air freight (5-7 days), or sea freight (20-30 days). We’ll recommend the best option based on your location and urgency.
Q: Can you produce custom bearings (OEM/ODM)?
A: Yes, we offer OEM/ODM services for custom bearing designs. Provide your technical drawings, material requirements, and performance specifications, and we can manufacture to your exact standards.
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.
Contact us via email or inquiry form for prompt assistance.
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.
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Regarding: SKF Cylindrical Roller Bearing N202em N203em N204em High Quality
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SKF Authorized Engineering Partner
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