-- SKF Authorized Engineering Partner
Ensure smooth, precise machinery operation with our high-performance Cylindrical Roller Bearing, engineered to deliver consistent reliability even under demanding conditions. Designed for models including Precision Grinder N218em, NJ218em, NF218em, and NU218em, this bearing minimizes vibration (Z1V1 to Z3V3 ratings) and supports both grease and oil lubrication, reducing maintenance hassles and extending equipment lifespan.
15+ Certified Engineers On-Call
Free application analysis · Failure diagnosis · Custom modification guidance. Response within 24 hours.
| Parameter | Details |
|---|---|
| Model Number | 6204, 6204ETN9, 6204N |
| Specification | 20*47*14mm |
| Stock | Rich Stocks |
| Grease Technology | High |
| Lubrication | Grease or Oil |
| Vibration | Z1V1, Z2V2, Z3V3 |
| Service | OEM, ODM |
| Delivery | by Express, Road, Train, Air, Sea |
| Sample | Available |
| on-Time Delivery Rate | 100.0% |
| Response Time | Less Than 0.5h |
| Transport Package | Carton Pallet |
| Trademark | BDL/NTN/NSK/NMB/Koyo/NACHI/Timken |
| Origin | China |
| HS Code | 8482102000 |
| Production Capacity | 200000000 Pieces/Year |
| Industry | Typical Applications |
|---|---|
| Automation Equipment | Conveyor systems, precision machinery |
| Automotive | Wheel hubs, gearboxes |
| Industrial Machinery | Hydraulic pumps, electric motors |
Procuring the right cylindrical roller bearings can be challenging—whether you’re dealing with mismatched dimensions, unreliable stock availability, or inconsistent quality across suppliers. Many buyers waste time cross-referencing models like N218em, NJ218em, NF218em, and NU218em across different brands, only to face delays or substandard products that lead to unexpected downtime.
Our Precision Grinder Cylindrical Roller Bearings address these challenges with a focus on compatibility and availability. With rich stocks covering key models including N218em, NJ218em, NF218em, and NU218em, we eliminate long lead times. Backed by ISO 9001-certified production processes, these bearings meet rigorous dimensional standards (20*47*14mm for model 6204 variants) and are suitable for high-precision machinery like grinders, where vibration control (Z1V1 to Z3V3 ratings) and consistent lubrication (grease or oil) are critical.
These cylindrical roller bearings excel in applications requiring high radial load capacity and precision rotation. Whether used in automotive gearboxes, industrial grinders, or automation equipment, their design ensures minimal vibration and stable operation even under varying speeds. The bearings accommodate both grease and oil lubrication, making them versatile for environments where maintenance access is limited or operational conditions demand specific lubrication types.
The 20*47*14mm specification ensures precise fitting in standard housing designs, reducing installation errors that often cause premature failure. High-grade grease technology enhances lubrication retention, lowering friction and extending service life compared to basic bearings. Vibration classes (Z1V1 to Z3V3) allow selection based on application sensitivity—from general industrial use (Z1V1) to precision machinery (Z3V3) where smooth operation is non-negotiable. Additionally, the bearings’ robust construction supports both OEM and ODM requirements, adapting to custom specifications without compromising performance.
Investing in quality cylindrical roller bearings reduces long-term costs by minimizing downtime and replacement frequency. Inferior bearings with substandard material hardness or imprecise dimensions often fail early, leading to unplanned maintenance, production delays, and potential damage to adjacent components. Our bearings undergo strict dimensional and hardness testing, ensuring they meet international standards and deliver predictable performance. With a 100% on-time delivery rate and responsive support (less than 0.5h response time), we help you avoid the hidden costs of supply chain disruptions.
Our production processes adhere to ISO 9001 standards, with comprehensive testing from raw material inspection to final dimensional and surface hardness checks. We offer a warranty against manufacturing defects, ensuring you receive reliable products. With access to multiple brands including NTN, NSK, Koyo, and NACHI, we can source bearings that match your exact specifications, whether you require original equipment or compatible alternatives. Rich stock levels mean we can fulfill orders quickly, supporting both small-scale repairs and large production runs.
Whether you need N218em, NJ218em, NF218em, NU218em, or other cylindrical roller bearing models, provide your required specifications, quantity, and destination. Our team will respond with a competitive quote and delivery timeline, ensuring you get the right bearings when you need them.
Q: Can you source bearings from other brands or models not listed?
A: Yes, we support inquiries for all bearing brands and models, and can supply products according to your specific requirements.
Q: How do I confirm if this bearing fits my equipment?
A: Provide the required dimensions (d x D x B), model number, or equipment details, and our technical team will verify compatibility.
Q: What is your warranty policy?
A: We provide a warranty against manufacturing defects; specific terms are detailed in the sales contract.
Q: What is the minimum order quantity?
A: We offer low minimum order quantities, supporting small-batch trial orders and large-scale purchases.
Q: How long does shipping take?
A: Stock items ship immediately; delivery time depends on the chosen method (Express, Air, Sea, etc.).
Q: Do you offer OEM/ODM services?
A: Yes, we support custom bearing production according to provided drawings or specifications.
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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Official partner since 1998 with direct access to SKF technical resources, genuine products, and engineering expertise.
In-house team provides application design, failure analysis, and predictive maintenance -- reducing bearing failures by 35%.
Every product undergoes rigorous pre-shipment inspection with full documentation for traceability and compliance.
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.
Custom bearing selection and system design based on your specific load conditions, speeds, temperatures, and environmental factors.
Root-cause investigation of bearing failures using metallurgical testing, vibration analysis, and operating data review.
IIoT-enabled monitoring with smart sensor bearings for real-time vibration, temperature, and RPM tracking.
Modified bearings with special coatings, seals, tolerances, or materials. Lead time 8-12 weeks from official channels.
Certified engineers available for on-site installation support, alignment checks, and commissioning assistance worldwide.
Long-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
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.
Regarding: Precision Grinder N218em NJ218em NF218em NU218em Cylindrical Roller Bearing
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