Cylindrical Roller Bearing
ISO 9001 Certified
TS 16949
Genuine SKF
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Cylindrical Roller Bearing
Koyo N326em N328em N330em Cylindrical Roller Bearings
Keep your machinery running smoothly with reliable Koyo Cylindrical Roller Bearings designed to minimize downtime and extend equipment life. This precision-engineered set includes N326em, N328em, and N330em models, each built to handle heavy radial loads while maintaining consistent performance under demanding conditions.
- Engineered with optimized internal geometry to reduce friction and heat buildup during high-speed operation
- Enhanced cage design ensures stable roller guidance, preventing premature wear even in continuous-use applications
- Direct replacement for industrial and automotive systems requiring dimensionally accurate, drop-in solutions
7
Day Prototype
vs. 8-12 wks standard
50+
Countries Served
Global logistics network
12h
Quote Response
Expert engineers on call
Typical Applications
Wind Power
Mining
Steel & Metallurgy
Automotive / EV
Rail Transit
Precision Machinery
Genuine SKF Bearings
NDA Protected
Free Sample for Orders > $50K
Global Shipping
Product Details
Product Specifications
| Parameter | Details |
|---|
Application Suitability
| Industry | Typical Applications |
|---|
Struggling with Cylindrical Roller Bearing Selection? Koyo N326em, N328em, N330em Solutions
Finding the right cylindrical roller bearings for heavy-duty applications often means sifting through countless models across brands, only to face compatibility issues or long lead times. When equipment downtime hits because of premature bearing failure, the cost of replacement and lost productivity adds up quickly.
Engineered for Reliable Performance in Demanding Environments
Our Koyo N326em, N328em, and N330em cylindrical roller bearings address these challenges with dimensions following international standards, ensuring interchangeability with major brands. Backed by ISO 9001-certified manufacturing processes, these bearings are designed for use in industrial machinery, including conveyors, gearboxes, and hydraulic systems where high radial loads and precision matter.
Optimal Performance in High-Load Industrial Settings
Cylindrical roller bearings excel in applications with heavy radial loads and moderate speeds, such as steel rolling mills, mining equipment, and automated production lines. The N326em, N328em, and N330em series are particularly suited for machinery requiring robust load capacity and minimal maintenance, where consistent performance under varying operating conditions is critical.
Key Engineering Features for Longevity
Cylindrical roller bearings like the Koyo N-series use a separable inner or outer ring design, simplifying installation and replacement in tight spaces. Their line contact between rollers and raceways distributes radial loads evenly, reducing stress concentrations compared to ball bearings. Precision manufacturing ensures tight dimensional tolerances, which is essential for maintaining alignment in high-precision equipment. Surface hardness treatments further enhance wear resistance, extending service life in abrasive environments.
Total Cost of Ownership: Why Quality Matters
Choosing a well-engineered cylindrical roller bearing directly impacts operational costs. Inferior bearings with substandard material hardness or imprecise dimensions often fail early, leading to unplanned downtime, equipment damage, and increased labor for repairs. A quality bearing that meets ISO standards, however, reduces maintenance frequency and extends intervals between replacements, lowering the total cost of ownership over time.
Quality You Can Rely On
Our bearings undergo rigorous testing, including raw material inspection and成品尺寸、硬度及表面处理检测, ensuring compliance with industry standards. We provide a warranty period covering manufacturing defects, giving you confidence in your purchase. With access to a wide range of brands and models, we can source bearings according to your specific requirements, whether you need standard or hard-to-find specifications.
Packaging & Shipping
- Neutral packaging suitable for industrial transport
- Available from stock for prompt dispatch
- Flexible shipping options including express courier, air freight, and sea freight
- Low minimum order quantity to support both small and large-scale requirements
Get Your Koyo Cylindrical Roller Bearing Quote Today
Whether you need Koyo N326em, N328em, N330em, or other cylindrical roller bearings, we can help. Provide your required model, dimensions, and quantity, and our team will respond with pricing and availability. The sooner you confirm your order, the sooner we can arrange delivery.
Frequently Asked Questions
Q: Do you supply bearings from other brands besides Koyo?
A: Yes, we support inquiries for all major brands and models, and can supply bearings according to your specified brand or technical requirements.
Q: How can I confirm if this bearing fits my equipment?
A: Provide your equipment’s bearing dimensions (bore diameter, outer diameter, width) or model number, and our technical team will verify compatibility.
Q: What is your warranty policy for these bearings?
A: We offer a warranty period covering manufacturing defects; specific terms are detailed in our sales contract.
Q: What is the minimum order quantity?
A: We accept low minimum order quantities, making it easy to order small batches for testing or maintenance needs.
Q: How quickly can you ship the bearings?
A: In-stock items are shipped promptly; we offer express, air, and sea freight options to meet your delivery timeline.
Q: Do you provide OEM/ODM customization?
A: Yes, we support custom bearing production based on your drawings or technical 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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Product Summary
- Product Name
- Koyo N326em N328em N330em Cylindrical Roller Bearings
- Category
- Cylindrical Roller Bearing
- Brand
- SKF
- Certification
- ISO 9001 · TS 16949
- Lead Time
- 7 Working Days
Get a Custom Quote
Our engineers will respond within 12 hours with a tailored solution.
Request QuoteGeneral Specifications
| Bearing Type | Cylindrical Roller Bearing |
| Brand | SKF |
| Quality Standard | ISO 9001 / TS 16949 |
| Precision Grade | P0 / P5 / P6 (custom) |
| Material | Chrome Steel / Stainless |
| Cage Material | Steel / Brass / Polyamide |
| Lubrication | Grease / Oil (specify) |
| Operating Temp. | -40°C to +200°C |
| Min. Order Qty | 1 pc (samples available) |
| Prototype Lead Time | 7 Working Days |
Performance Parameters
| Load Capacity | Contact for C0/Cr values |
| Speed Rating | Contact for ndm limit |
| Vibration Level | Z1 / Z2 / Z3 (custom) |
| Noise Level | V1 / V2 / V3 (custom) |
| Fatigue Life | L10h per ISO 281 |
| Sealing Options | Open / Z / 2Z / RS / 2RS |
Custom Specifications Available
Our engineering team can modify bearing dimensions, materials, seals, and clearances to meet your specific operating requirements. Submit your drawing or spec sheet for a tailored proposal.
Wind Power
Main shaft bearings, gearbox bearings, and generator bearings for onshore and offshore wind turbines.
Mining & Quarrying
Heavy-duty bearings for crushers, conveyors, and rotary equipment in extreme dust and shock-load environments.
Steel & Metallurgy
High-temperature bearings for rolling mills, continuous casting, and furnace applications.
Automotive / EV
Wheel hub bearings, transmission bearings, and e-motor bearings for passenger and commercial vehicles.
Rail Transit
Axle box bearings, traction motor bearings, and gearbox bearings meeting EN/UIC railway standards.
Precision Machinery
High-precision spindle bearings, angular contact bearings, and super-precision bearings for CNC and robotics.
Application Design
EngineeringOur engineers analyze your operating conditions -- load, speed, temperature, environment -- and select or design the optimal bearing solution to maximize service life and reduce total cost of ownership.
Custom Modification
7-Day TurnaroundNeed non-standard dimensions, special materials, or modified clearances? We can modify standard SKF bearings or manufacture fully custom solutions with a 7-day prototype turnaround.
Failure Analysis
DiagnosticsWhen bearings fail prematurely, our team conducts root-cause analysis using advanced diagnostic tools to identify the failure mode and recommend corrective action.
Predictive Maintenance
Up to 40% Less DowntimeWe deploy vibration monitoring, thermal imaging, and oil analysis programs that detect bearing deterioration early -- reducing unplanned downtime by up to 40%.
On-site Installation
Global CoverageProper installation is critical to bearing performance. Our certified technicians provide on-site installation support, alignment verification, and operator training worldwide.
Lifecycle Support
Enterprise SLAFrom initial selection through end-of-life, our dedicated account managers provide scheduled maintenance plans, re-lubrication programs, and replacement forecasting for enterprise clients.
Why SKF China
The engineering partner advantage
7 Days
Prototype Lead Time
vs. 8-12 weeks via standard channels
15+
Certified Engineers
SKF-certified, on-call for your project
50+
Countries Delivered
Reliable global logistics network
Request a Quote
Get a custom quote for
Koyo N326em N328em N330em Cylindrical Roller Bearings
NDA protected · Free samples for orders > $50K · Reply within 12 hours
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