Cylindrical Roller Bearing
ISO 9001 Certified
TS 16949
Genuine SKF
Need Technical Advice?
Reply within 12 hours · 15+ certified engineers on call
Cylindrical Roller Bearing
NTN N324em NJ324em NF324em NU324em NUP324em Cylindrical Roller Bearing
Ensure smooth, reliable rotation in your machinery with the NTN N324em NJ324em NF324em NU324em NUP324em cylindrical roller bearing, designed to minimize downtime and maximize performance. This NTN Cylindrical Roller Bearing handles heavy radial loads with precision, making it ideal for high-torque applications where consistent operation is non-negotiable.
- Engineered with enhanced cage design to reduce friction and extend service life in demanding environments
- Available in multiple configurations (N, NJ, NF, NU, NUP) to fit specific shaft and housing requirements seamlessly
- Precision-ground raceways ensure quiet operation, addressing the need for smooth performance in noise-sensitive setups
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 |
|---|---|
| Bearing Type | Cylindrical Roller Bearing |
| Model Number | N324em, NJ324em, NF324em, NU324em, NUP324em |
| Manufacturer Series | NTN standard series |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Industrial Machinery | Rotary shafts, gearboxes, conveyors |
| Automotive | Transmission systems, engine components |
| Heavy Equipment | Construction machinery, hydraulic pumps |
| Steel & Metallurgy | Rolling mills, processing lines |
Struggling with Cylindrical Roller Bearing Selection? Here’s What You Need to Know
Finding the right cylindrical roller bearing for your equipment can be challenging. Mismatched dimensions lead to installation delays, while poor quality bearings often fail prematurely, causing costly downtime. Sourcing from multiple suppliers for different brands only adds complexity to your procurement process.
Comprehensive Cylindrical Roller Bearing Solutions for Your Needs
Our NTN N324em/NJ324em/NF324em/NU324em/NUP324em cylindrical roller bearings address these challenges. As a professional bearing supplier with ISO 9001 certified processes, we offer full access to both international and domestic brands, ensuring you find the exact cylindrical roller bearing specifications required for your application—whether for industrial gearboxes or automotive transmissions.
Optimal Performance in Demanding Conditions
These cylindrical roller bearings excel in high-radial load applications with moderate speeds. Designed to accommodate axial displacement in one direction (NJ, NUP types) or both directions (NU, N types), they provide reliable performance in temperatures ranging from standard industrial environments to specialized operating conditions. Proper selection based on load direction and mounting configuration is critical to maximize service life.
Key Engineering Features Explained
The “em” suffix indicates precision manufacturing standards, ensuring consistent dimensional accuracy for interchangeable installation. Cylindrical roller bearings feature line contact between rollers and raceways, distributing radial loads more effectively than ball bearings. The separable inner or outer rings (depending on design) simplify maintenance and replacement. Different cage materials and designs are available to optimize performance for specific speed and load requirements, directly impacting operational efficiency and durability.
Total Cost of Ownership: Why Quality Matters
Choosing the right cylindrical roller bearing directly affects your equipment’s total cost of ownership. Inferior bearings with substandard material hardness or imprecise machining require frequent replacement, increasing downtime and labor costs. Our bearings undergo rigorous dimensional and hardness testing, aligning with ISO standards to ensure predictable performance. By selecting the appropriate design (N, NJ, NU, etc.) for your load direction, you prevent premature failures that can damage adjacent components.
Quality You Can Trust in Every Bearing
Our cylindrical roller bearings are produced under ISO 9001 certified quality management systems. Each unit undergoes raw material inspection and finished product testing for dimensions, hardness, and surface treatment. We provide a standard质保期 against manufacturing defects, with clear terms outlined in our supply agreements. With extensive inventory across multiple brands, we can fulfill both standard and customer-specified requirements, ensuring you get the right bearings when you need them.
Packaging & Shipping
- Standard industrial packaging with protective wrapping
- Available from stock for prompt dispatch
- Flexible shipping options including express courier, air, and sea freight
- Low minimum order quantity to support both small repairs and large production runs
Get Your Cylindrical Roller Bearing Quote Today
Whether you need NTN series cylindrical roller bearings or other brands, provide us with your required model, dimensions, and quantity. Our team will confirm availability and deliver competitive pricing. The sooner you contact us, the faster we can arrange shipment to keep your operations running smoothly.
Frequently Asked Questions
Q: Do you supply other bearing brands and models besides NTN?
A: Yes, we provide comprehensive procurement services covering international brands (SKF, NSK, Koyo, etc.) and domestic manufacturers, supporting all types and models as specified by customers.
Q: How can I confirm if this bearing fits my equipment?
A: Share your equipment model or the required dimensions (bore diameter, outer diameter, width), and our technical team will verify compatibility with the N324em series specifications.
Q: What is your warranty policy for these bearings?
A: We offer a standard质保期 against manufacturing defects. Specific terms and duration are detailed in our supply contracts, with replacement available for confirmed material or production issues.
Q: What is the minimum order quantity for this bearing series?
A: We support low minimum order quantities, including single-unit purchases for maintenance needs, with volume pricing available for larger orders.
Q: How long does shipping take and what delivery options are available?
A: In-stock items ship within 1-2 business days. We offer express courier for urgent needs, air freight for international orders, and sea freight for cost-effective bulk shipments.
Q: Can you provide custom (OEM/ODM) cylindrical roller bearings?
A: Yes, we support custom bearing production according to customer drawings, specifications, or sample requirements for specialized applications.
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 phone
Product Summary
- Product Name
- NTN N324em NJ324em NF324em NU324em NUP324em Cylindrical Roller Bearing
- 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
NTN N324em NJ324em NF324em NU324em NUP324em Cylindrical Roller Bearing
NDA protected · Free samples for orders > $50K · Reply within 12 hours
Related Products
More Cylindrical Roller Bearing Products
Cylindrical Roller Bearing
Tapered Roller Bearing HR30303DJ HR33205j HR33005j HR33108j P0-P2
Cylindrical Roller Bearing
Timken NJ2248em NJ2252em NJ2256em Cylindrical Roller Bearing
Cylindrical Roller Bearing