Cylindrical Roller Bearing
ISO 9001 Certified
TS 16949
Genuine SKF
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Cylindrical Roller Bearing
Timken Cylindrical Roller Bearing N305e NJ305e NF305e NU305e NUP305e
Keep your machinery running smoothly with reliable Timken Cylindrical Roller Bearing N305e variants, designed to minimize downtime and extend equipment life. This precision-engineered line includes N, NJ, NF, NU, and NUP configurations to accommodate axial load requirements in diverse industrial applications.
- Optimized internal geometry reduces friction and heat buildup during high-speed rotation, ensuring consistent performance under heavy loads
- Available in multiple cage designs to suit specific operating conditions, from standard industrial use to specialized machinery needs
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 | N305e, NJ305e, NF305e, NU305e, NUP305e |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Industrial Machinery | Electric motors, gearboxes, pumps |
| Automotive | Transmission systems, wheel hubs |
| Mechanical Engineering | Conveyors, compressors, machine tool spindles |
Finding the Right Cylindrical Roller Bearing? Focus on These Key Factors
Selecting the correct cylindrical roller bearing can be challenging with the variety of designs and standards available. Many buyers face issues like mismatched dimensions causing installation delays or premature failures due to substandard materials. Sourcing from multiple suppliers for different brands further complicates the process, wasting valuable time.
Engineered for Consistent Performance in Demanding Applications
This range of cylindrical roller bearings (N305e, NJ305e, NF305e, NU305e, NUP305e) addresses common industry challenges through precise manufacturing and comprehensive availability. Produced under ISO 9001 certified processes, these bearings meet strict quality standards for dimensional accuracy and material strength. Our extensive network covers both自有 and international brands, allowing single-source procurement for various bearing types.
Optimal Performance in Radial Load Applications
Designed to handle high radial loads with minimal friction, these cylindrical roller bearings excel in rotating equipment operating at moderate to high speeds. The different designs (NJ, NF, NU, NUP) offer varying levels of axial load support and mounting flexibility, making them suitable for applications where shaft alignment and load direction vary. Proper selection based on specific load conditions ensures extended bearing life and reduced maintenance needs.
Key Engineering Features for Reliable Operation
The N305e series incorporates several critical design elements that impact performance. The cylindrical roller design provides a larger contact area compared to ball bearings, distributing radial loads more effectively. Precision-machined raceways ensure uniform load distribution across rollers, reducing stress concentrations. The “e” suffix indicates enhanced internal geometry for improved load capacity and fatigue resistance. These features collectively contribute to stable operation even under fluctuating load conditions.
Total Cost of Ownership: Why Quality Matters
Choosing the right cylindrical roller bearing directly affects long-term operational costs. Inferior bearings often exhibit early wear due to inadequate material hardness, leading to unexpected downtime and replacement expenses. Properly selected bearings, like the N305e series, reduce maintenance frequency and extend equipment life. Following ISO 281 fatigue life calculations, these bearings provide predictable performance, allowing for planned maintenance and minimizing production interruptions.
Quality Assurance You Can Trust
Our cylindrical roller bearings undergo rigorous quality control processes from raw material inspection to final product testing. Each bearing is checked for dimensional accuracy, surface finish, and hardness to ensure compliance with industry standards. We provide a warranty period covering manufacturing defects, with clear terms for replacement or refund. Our supply chain includes both standard and hard-to-find models, supporting quick delivery for urgent requirements.
Packaging & Shipping
- Standard industrial packaging with protective wrapping
- Available from stock for prompt dispatch
- Flexible shipping options including express courier, air freight, and sea transport
- Low minimum order quantity to support small-scale maintenance and large production runs
Get Your Cylindrical Roller Bearing Quote Today
Whether you need a specific model from the N305e series or other cylindrical roller bearings, we can assist with your procurement needs. Provide details including model number, required quantity, and delivery location, and our team will respond with pricing and availability. Early inquiry ensures priority handling of your order.
Frequently Asked Questions
Q: Do you supply other bearing brands and models?
A: Yes, we support inquiries for all bearing brands and models, providing supply according to customer-specified requirements.
Q: How can I confirm if this bearing fits my equipment?
A: Provide your equipment’s bearing dimensions (bore, outer diameter, width) or existing model number, and our technical team will verify compatibility.
Q: What is your warranty policy for these bearings?
A: We offer a warranty covering manufacturing defects, with terms for replacement or refund as specified in the sales agreement.
Q: What is the minimum order quantity?
A: We accept low minimum order quantities, supporting both small trial orders and large-volume purchases.
Q: How long does shipping take?
A: In-stock items ship immediately; delivery time depends on the selected shipping method (courier, air, or sea).
Q: Do you offer custom bearing solutions?
A: Yes, we support OEM/ODM customization based on customer-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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Product Summary
- Product Name
- Timken Cylindrical Roller Bearing N305e NJ305e NF305e NU305e NUP305e
- 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
Timken Cylindrical Roller Bearing N305e NJ305e NF305e NU305e NUP305e
NDA protected · Free samples for orders > $50K · Reply within 12 hours
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