Famous Brand Bearing

Super Precision Double Row Cylindrical Roller Bearing NN 3017 Ktn9/Sp for Industrial Machinery

SKU: 50ca9ea67da2 In Stock

Ensure smooth, precise rotation in your industrial machinery with the Super Precision Cylindrical Roller Bearing NN 3017 Ktn9/Sp. This double row cylindrical design delivers exceptional stability under heavy loads, reducing downtime and extending equipment lifespan—ideal for high-performance applications where reliability can’t be compromised.

  • SP grade precision (P4 equivalent) ensures minimal vibration and optimal alignment, critical for precision machinery like CNC lathes and gearboxes
  • Open seal design allows for easy lubrication maintenance, keeping your operations running efficiently without unnecessary disassembly
  • Double row structure enhances radial load capacity by up to 30% compared to single row alternatives, perfect for demanding industrial environments
Wholesale Price (FOB)
¥1.20
MOQ: 1 Piece • Bulk discounts available on inquiry
12-Month Warranty
Free Samples
Global Shipping
Product Specifications

Technical Details & Description

Product Specifications

Parameter Details
Model NO. NN 3017 Ktn9/Sp
Type Roller
Selling Units Single Item
Single Gross Weight 0.250kg
Number of Row Double Row
Inner Diameter 85mm
Structure Cylindrical
Seals Type Open
Trademark SKF
Origin China
Package Size 16.00cm * 16.00cm * 16.00cm
Package Gross Weight 0.300kg

Application Industries

Industry Typical Equipment
Industrial Machinery Machine Tools, Spindles, Gearboxes, Printing Machinery
Manufacturing CNC Machines, Reducers, Precision Processing Equipment
Automotive Transmission Systems, Electric Motors
New Energy Wind Turbine Components, Solar Tracking Systems

Prevent Costly Downtime with Super Precision Double Row Cylindrical Roller Bearing NN 3017 Ktn9/Sp

Industrial machinery operators know the frustration of unexpected downtime—especially when caused by substandard bearings that fail prematurely. In precision applications like CNC spindles or gearboxes, even minor bearing issues can lead to production delays, increased maintenance costs, and compromised product quality. Finding reliable suppliers who can deliver genuine high-precision bearings with flexible order terms often feels like an uphill battle.

Genuine Super Precision Bearings for Critical Machinery Performance

The Super Precision Double Row Cylindrical Roller Bearing NN 3017 Ktn9/Sp addresses these challenges by combining exacting manufacturing standards with the flexibility industrial buyers need. As a professional bearing supplier with decades of export experience, we ensure each bearing meets SP-grade precision requirements, making it ideal for high-speed, heavy-load applications in machine tools and precision industrial equipment. Our 1-piece MOQ policy means you can source the exact quantity needed—whether for emergency repairs or scheduled maintenance—without overstocking.

Engineered for High-Precision Industrial Applications

This double row cylindrical roller bearing thrives in demanding environments where rotational accuracy and load capacity are non-negotiable. With an open design optimized for lubrication efficiency, it excels in applications requiring continuous operation at moderate to high speeds, such as printing machinery and reducer systems. The NN 3017 Ktn9/Sp designation indicates a precision-engineered structure that minimizes vibration and noise, critical factors in maintaining product quality in manufacturing processes.

Technical Features That Ensure Reliable Operation

The NN 3017 Ktn9/Sp’s performance is defined by its core technical attributes. Its double row configuration provides superior radial load capacity, making it suitable for heavy-duty industrial machinery. The SP precision grade ensures tight dimensional tolerances, reducing runout and improving overall machine accuracy. With a single gross weight of 0.250kg, the bearing offers an optimal strength-to-weight ratio for applications where balanced rotation is essential. The open seal type allows for custom lubrication solutions, adapting to specific operating temperatures and contamination levels in diverse industrial settings.

Why Genuine Bearings Matter for Long-Term Cost Efficiency

Choosing genuine Super Precision Cylindrical Roller Bearings over counterfeit alternatives directly impacts your bottom line. Non-genuine bearings often fail prematurely due to substandard materials and manufacturing processes, leading to unplanned downtime that can cost thousands in lost production. In contrast, our bearings undergo strict quality control—including dimensional inspection and performance testing—to meet ISO industrial standards. The initial investment in genuine bearings reduces total lifecycle costs by minimizing replacement frequency, maintenance labor, and the risk of collateral equipment damage.

Our Commitment to Reliable Supply and Service

With ISO 9001:2015 and ISO 14001 certifications, we maintain rigorous quality management systems throughout production and distribution. Our in-house laboratory conducts comprehensive performance tests, ensuring each bearing meets precision and durability requirements. We offer a 12-month warranty on all products, with free replacement for qualified defective items. Our technical team provides free guidance on bearing selection, installation, and maintenance, helping you optimize performance and extend service life. With sample orders available in 3-5 working days and bulk orders in 5-15 days, we ensure timely delivery to keep your operations running smoothly.

Packaging & Shipping

  • Secure packaging in 16.00cm * 16.00cm * 16.00cm cartons with protective cushioning
  • Sample orders shipped within 3-5 working days; bulk orders within 5-15 working days
  • Multiple logistics options including DHL, FedEx, UPS, air freight, and sea freight
  • Real-time tracking provided for all shipments
  • 1-piece minimum order quantity supported for standard bearings

Get Your Precision Bearing Shipped Today

Don’t let equipment downtime disrupt your production schedule. Whether you need a single bearing for emergency repair or a bulk order for scheduled maintenance, we have the inventory and expertise to meet your needs. Send us your requirements, and our team will provide a prompt quote and ensure timely delivery.

Frequently Asked Questions

Q: Is this bearing a genuine SKF product?

A: Yes, we supply genuine original brand bearings, including SKF, with full traceability to ensure authenticity.

Q: How can I confirm if this bearing fits my machinery?

A: Provide your equipment model or specific application parameters, and our technical team will verify compatibility free of charge.

Q: What is your warranty policy for this bearing?

A: We offer a 12-month warranty from the date of delivery, covering manufacturing defects with free replacement or refund.

Q: What is the minimum order quantity for this bearing?

A: The minimum order quantity is 1 piece for standard bearings, supporting both small and large volume requirements.

Q: How long does shipping take for this product?

A: Sample orders ship within 3-5 working days, while bulk orders typically take 5-15 working days, depending on logistics method.

Q: How can I verify the authenticity of the bearing upon receipt?

A: Authentic bearings include original packaging with SKF branding and serial numbers, which can be cross-verified through official channels.

Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.

Sample Policy

Free samples available for distributors. 3–5 days production lead time.

Bulk Delivery

5–15 days for bulk orders. T/T, L/C and Alibaba payments accepted.

Certifications

ISO 9001:2015, ISO 14001 certified. ABMA / DIN compliant.

After-Sales

12-month warranty plus dedicated technical failure analysis support.

Engineering Insights

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