Roller Bearing

Cylindrical Roller Bearing NUP203EM 17x40x16mm P0-P4 Precision for Industrial Machinery

SKU: c1ddd164a6d8 In Stock

Ensure smooth, precise rotation in your industrial machinery with the Cylindrical Roller Bearing NUP203EM, crafted to deliver reliable performance even under heavy radial loads. This 17x40x16mm bearing features a separated inner ring design for easy installation and maintenance, making it ideal for machine tools, reducers, and textile equipment that demand consistent operation.

  • P0-P4 precision grades available to match your machinery’s accuracy requirements, from general industrial use to high-precision applications
  • Constructed with high-grade bearing steel for extended service life, reducing downtime and replacement costs
  • Open seal design allows for flexible lubrication options (oil, grease, dry) to adapt to your specific working conditions
Wholesale Price (FOB)
¥0.85
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. NUP203EM
Product Name Cylindrical Roller Bearing
Structure Cylindrical
Specification 17*40*16 mm
Material Bearing Steel
Spherical Non-Aligning Bearings
Load Direction Radial Bearing
Separated Separated
Seals Type Open
Lubricate Oil Grease Dry
Precision Rating P0 P6 P5 P4 P2
Number of Row Single Row
Service OEM ODM
Trademark NTN/NSK/NMB/Koyo/NACHI/Timken
Origin China
HS Code 8482500090

Application Industries

Industry Typical Equipment
Industrial Machinery Machine Tools, Printing Equipment, Reducers
Auto Parts Manufacturing Transmission Systems, Gearboxes
Agricultural Machinery Harvesters, Tractors
New Energy Wind Turbines, Photovoltaic Equipment
Home Appliances Motors, Compressors

Minimize Downtime with Precision Cylindrical Roller Bearing NUP203EM 17x40x16mm

Equipment failures caused by substandard bearings cost manufacturers thousands in lost production each year. When a bearing fails prematurely, it halts entire production lines, requires emergency repairs, and creates cascading delays. Sourcing reliable bearings with consistent quality and flexible ordering has long been a challenge for maintenance managers and procurement teams.

Engineered for Reliable Performance in Industrial Machinery

Our Cylindrical Roller Bearing NUP203EM addresses these pain points with precision engineering and customer-centric service. As an integrated manufacturer with ISO9001 and ISO14001 certifications, we ensure each bearing meets strict quality standards. With a 1pc MOQ for standard items and 3-5 day sample lead time, we support both emergency repairs and planned maintenance. This bearing, with dimensions 17x40x16mm and P0-P4 precision grades, is specifically designed for industrial machinery where radial load capacity and high rotational accuracy are critical.

Optimal Performance in Demanding Industrial Environments

The NUP203EM cylindrical roller bearing excels in applications involving high radial loads and moderate speeds, common in machine tools, reducers, and printing equipment. Its separated structure allows for easy mounting and dismounting, simplifying maintenance procedures. The open design provides flexibility in lubrication choices, adapting to various operating conditions from dry to oil or grease lubricated environments. As a radial bearing, it efficiently handles axial displacement, making it suitable for equipment with thermal expansion considerations.

Technical Excellence That Drives Machine Performance

Precision rating directly impacts machine accuracy—our P0-P4 options let you select the right balance of performance and cost for your application. P4 precision, ideal for high-speed spindles, minimizes runout and vibration, extending tool life and improving workpiece quality. The bearing steel construction ensures durability, withstanding heavy loads without deformation. Single row design optimizes space usage while delivering sufficient load capacity for most industrial machinery requirements. The non-aligning feature maintains stable operation even in systems with minimal shaft deflection, reducing premature wear.

Why Authentic Bearings Matter for Your Bottom Line

Choosing genuine bearings over counterfeit alternatives reduces total cost of ownership significantly. Fake bearings often fail within months, leading to unplanned downtime, emergency replacement costs, and potential damage to mating components. Our bearings come with a 12-month global warranty, covering manufacturing defects and providing peace of mind. By investing in quality, you avoid hidden expenses like production losses during downtime and the need for frequent replacements. Each NUP203EM bearing undergoes rigorous quality control in our dedicated lab, ensuring consistent performance batch after batch.

Our Commitment to Your Production Continuity

With 18 years of experience serving global buyers across Europe, America, Southeast Asia, and the Middle East, we’ve built a reputation for reliability. Our full R&D capabilities allow us to offer OEM/ODM customization, tailoring bearings to your specific requirements. We maintain sufficient inventory to fulfill orders quickly—bulk delivery takes just 5-15 days. Our technical team provides free guidance on selection, installation, and maintenance, helping you maximize bearing life. We stand behind our products with defect replacement and refund policies, ensuring your satisfaction throughout the product lifecycle.

Packaging & Shipping

  • Carton and pallet packaging for secure transportation
  • 3-5 days sample lead time for prototype testing
  • 5-15 days bulk delivery to meet production schedules
  • Multiple payment options including T/T, credit card, and Alibaba trade assurance
  • 1pc MOQ available for emergency replacement needs

Keep Your Production Running—Order Today

Don’t let bearing issues disrupt your operations. The NUP203EM cylindrical roller bearing delivers the precision and reliability industrial machinery demands. Whether you need a single replacement or bulk order, we ensure prompt delivery and consistent quality. Send us your requirements now to get started.

Frequently Asked Questions

Q: Are these bearings authentic?

A: Yes, we supply authentic bearings and are authorized to distribute NSK/INA products. Each bearing can be traced through our quality control system.

Q: How do I confirm if this bearing fits my equipment?

A: Provide your equipment model or technical specifications, and our engineering team will verify compatibility with the NUP203EM bearing.

Q: What is your warranty policy?

A: We offer a 12-month global warranty covering manufacturing defects. Defective products will be replaced or refunded according to our policy.

Q: What is the minimum order quantity?

A: We accept 1pc MOQ for standard items, supporting both emergency repairs and small-batch requirements.

Q: How long does shipping take?

A: Samples ship in 3-5 days, while bulk orders deliver within 5-15 days. We use reliable logistics partners for global delivery.

Q: Can you provide custom bearings?

A: Yes, we offer full OEM/ODM customization services to meet specific application requirements beyond standard specifications.

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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