Cylindrical Roller Bearing
ISO 9001 Certified
TS 16949
Genuine SKF
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Cylindrical Roller Bearing
High Precision Double Row Cylindrical Roller Bearing Nn3016K Nn3017K Nn3018K
Experience smoother, more reliable machinery performance with our High Precision Cylindrical Roller Bearing options, designed to minimize vibration and extend equipment lifespan in high-load applications. The NN3016K, NN3017K, and NN3018K models feature double row construction that distributes radial loads evenly, reducing premature wear even under continuous operation.
- Precision-engineered raceways ensure consistent rotational accuracy, critical for maintaining tight tolerances in industrial gearboxes and machine tools
- K-type brass cage design enhances heat dissipation, keeping your equipment running cooler during extended use
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 |
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Need Reliable Double Row Cylindrical Roller Bearings Nn3016K, Nn3017K, Nn3018K? Here’s What Counts
Searching for the right double row cylindrical roller bearings can feel overwhelming when faced with mismatched dimensions, questionable material quality, and the need to source from multiple suppliers. Many buyers struggle with bearings that fail prematurely due to imprecise manufacturing or unsuitable specifications for their machinery.
Engineered for Consistent Performance in Demanding Environments
Our double row cylindrical roller bearings Nn3016K, Nn3017K, and Nn3018K address these challenges through ISO 9001-certified production processes and a comprehensive quality control system. As a supplier with access to both our own brand and major international brands, we provide a single source for bearings that meet strict dimensional and hardness standards, suitable for applications in steel冶金, automation equipment, and hydraulic systems.
Optimal Performance in High-Load, Precision-Required Applications
These bearings excel in scenarios requiring high radial load capacity and precise rotational accuracy. Common applications include gearboxes, machine tool spindles, and heavy-duty conveyors where consistent performance under varying loads is critical. Proper selection of bearing size—such as the Nn3016K, Nn3017K, or Nn3018K—directly impacts equipment reliability and operational efficiency.
Key Engineering Features for Long-Term Reliability
Double row cylindrical roller bearings are designed with two rows of rollers to distribute radial loads evenly, reducing stress on individual components. The ‘K’ suffix indicates a tapered bore, allowing for easy mounting and dismounting, which simplifies maintenance. Precision class manufacturing ensures tight tolerances, minimizing vibration and noise in high-speed operations. Surface hardness testing confirms resistance to wear, extending service life in harsh conditions.
Total Cost of Ownership: Why Quality Bearings Matter
Choosing substandard bearings may lower initial costs, but frequent replacements, unplanned downtime, and potential damage to connected machinery quickly increase expenses. ISO 281 standards highlight that proper bearing selection, based on load and speed requirements, directly influences operational life. Our bearings, with their robust construction and quality materials, reduce long-term costs by minimizing maintenance needs and extending intervals between replacements.
Quality Assurance You Can Trust
Every bearing undergoes rigorous inspection, from raw material verification to final dimensional and hardness checks. Our ISO 9001 certification ensures consistent production quality. We provide a warranty against manufacturing defects, with clear terms for returns and replacements. With access to a wide range of brands and models, we can source bearings that meet your exact specifications, whether you require standard or custom solutions.
Packaging & Shipping
- Neutral packaging suitable for industrial transport
- Stock availability for prompt dispatch
- Flexible shipping options including快递,空运, and海运
- Low minimum order quantities to support both small and large-scale requirements
Get Your Bearing Quote Today
Provide the specific model (Nn3016K, Nn3017K, Nn3018K), quantity, and delivery location, and we’ll deliver a competitive quote with lead time. Our team can also assist with cross-referencing alternative brands to ensure compatibility with your existing equipment.
Frequently Asked Questions
Q: Can you source other bearing brands or models?
A: Yes, we support inquiries for all brands and models, supplying according to your specified requirements.
Q: How do I confirm if this bearing fits my equipment?
A: Provide the required dimensions (d x D x B) or existing model number, and our technical team will verify compatibility.
Q: What is your warranty policy?
A: We offer a warranty against manufacturing defects; terms are specified in each contract.
Q: What is the minimum order quantity?
A: We accept low minimum orders, ideal for small-scale trials or urgent replacements.
Q: How quickly can you ship the bearings?
A: In-stock items ship promptly; delivery time depends on the chosen shipping method.
Q: Do you offer custom (OEM/ODM) bearings?
A: Yes, we can produce custom bearings based on 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
- High Precision Double Row Cylindrical Roller Bearing Nn3016K Nn3017K Nn3018K
- 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
High Precision Double Row Cylindrical Roller Bearing Nn3016K Nn3017K Nn3018K
NDA protected · Free samples for orders > $50K · Reply within 12 hours
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