Roller Bearing

Cylindrical Roller Bearing N203 NJ203 NU203 NJ23ETN1 P0-P4 Precision for Industrial Machinery

SKU: 78830ea781ca In Stock

Ensure smooth, precision-driven operation for your industrial machinery with our Cylindrical Roller Bearing—engineered to deliver reliable performance across N203, NJ203, and NU203 models. Crafted from high-grade bearing steel and available in P0-P4 precision grades, this radial bearing minimizes vibration (Z1V1-Z3V3) and withstands heavy loads, reducing downtime and extending equipment life.

  • Separated structure design allows easy installation and maintenance, ideal for machine tools and textile equipment
  • Grease or oil lubrication flexibility adapts to diverse industrial environments
  • Small and medium-sized dimensions (17*40*12mm) fit seamlessly into compact mechanical systems
  • Backed by ISO 9001:2015 quality assurance, ensuring consistent rotation and long service life
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. N203 NJ203 NU203 NJ23ETN1
Outer Dimension Small and Medium-Sized (60-115mm)
Material Bearing Steel
Spherical Non-Aligning Bearings
Load Direction Radial Bearing
Separated Separated
Product Name Cylindrical Roller Bearing 307
Bore Size 15-90 mm
Structure Cylindrical
Lubrication Grease or Oil
Precision Rating P0 P6 P5 P4 P2
Vibration Z1V1 Z2V2 Z3V3
Service OEM ODM
Transport Package Carton Pallet
Specification 17*40*12mm
Trademark BDL
Origin China
HS Code 8482500090
Production Capacity 100000

Application Industries

Industry Typical Equipment
Industrial Machinery Machine Tools, Printing Equipment, Reducers
Automotive Wheel Hubs, Gearboxes
Agricultural Machinery Harvesters, Tractors
New Energy Wind Turbines, Photovoltaic Equipment
Home Appliances Motors, Pumps

Minimize Downtime with Reliable Cylindrical Roller Bearings N203 NJ203 NU203 for Industrial Machinery

Imagine your production line grinding to a halt because a low-quality bearing failed prematurely. The cost of lost productivity, emergency repairs, and replacement parts adds up quickly. Many industrial machinery operators face this exact problem, struggling with bearings that can’t handle the rigors of continuous operation or lack the precision needed for optimal performance.

Precision Cylindrical Roller Bearings for Uninterrupted Industrial Operations

Our Cylindrical Roller Bearings N203 NJ203 NU203 are engineered to solve these challenges. With P0-P4 precision ratings and Z1V1-Z3V3 vibration grades, they deliver the reliability and performance your machinery demands. As an integrated manufacturer with full R&D capabilities and ISO9001 certification, we ensure consistent quality across every bearing. Whether you need standard sizes or custom solutions for machine tools, printing equipment, or reducers, we offer flexible orders with 1pc MOQ for standard items and 3-5 days sample lead time.

Optimal Performance in Demanding Industrial Environments

Cylindrical Roller Bearings excel in applications requiring high radial load capacity and moderate speeds, making them ideal for industrial machinery. The separated design allows for easy mounting and dismounting, simplifying maintenance and reducing downtime. Constructed from high-quality bearing steel, these bearings are built to withstand the heavy loads and continuous operation typical in manufacturing settings. Their cylindrical structure ensures efficient load distribution, minimizing wear and extending service life even in challenging conditions.

Key Technical Features That Enhance Machinery Performance

The precision rating of these bearings directly impacts machinery accuracy and efficiency. P0-P4 precision levels mean you can select the exact tolerance needed for your application, from general industrial use (P0) to high-precision machine tools (P4). Vibration grades Z1V1-Z3V3 ensure smooth operation, reducing noise and energy consumption. The separated design not only facilitates installation but also allows for axial displacement, accommodating thermal expansion in rotating equipment. Lubrication flexibility—either grease or oil—enables adaptation to different operating speeds and temperature ranges, ensuring optimal performance in various industrial settings.

Long-Term Value: Investing in Quality Bearings Reduces Total Costs

Choosing genuine, high-quality Cylindrical Roller Bearings like our N203 NJ203 NU203 series pays off in the long run. Inferior bearings may have lower upfront costs, but they often fail prematurely, leading to unplanned downtime, expensive repairs, and potential damage to other machinery components. Our bearings, backed by a 12-month global warranty, are manufactured to strict quality standards, ensuring consistent performance and longer service life. This reliability translates to lower total cost of ownership by reducing maintenance frequency, minimizing production disruptions, and avoiding the hidden costs associated with bearing failure.

Why Industrial Manufacturers Trust Saifan Bearings

With over 18 years of experience in bearing manufacturing and exporting, we have built a reputation for reliability and expertise. Our ISO9001 and ISO14001 certifications demonstrate our commitment to quality and environmental responsibility. We maintain a full QC lab to ensure every bearing meets our stringent standards before shipment. Our global presence spans Europe, America, Southeast Asia, and the Middle East, serving a diverse range of industrial clients. We offer free technical guidance to help you select the right bearings for your specific application, and our defect replacement/refund policy ensures your satisfaction. With a production capacity of 100,000 bearings, we can meet both small and large volume requirements with consistent quality.

Packaging & Shipping

  • Carton and pallet packaging for secure transportation
  • 3-5 days sample lead time for quick evaluation
  • 5-15 days bulk delivery to meet your production schedule
  • Flexible shipping options including T/T, credit card, and Alibaba trade terms
  • 1pc MOQ for standard items, ideal for emergency repairs or small-scale projects

Get Your Industrial Machinery Bearings Today

Don’t let bearing issues disrupt your production. Whether you need standard N203, NJ203, NU203 bearings or custom solutions, we’re ready to fulfill your order. Send us your bearing designation, application details, and quantity, and we’ll provide a prompt quote. With our quick lead times and reliable quality, you can get your machinery back to peak performance in no time.

Frequently Asked Questions

Q: Are these cylindrical roller bearings genuine and traceable?

A: Yes, we are an integrated manufacturer with strict quality control processes. Each bearing is produced in our facility and comes with full traceability. We can provide documentation to verify authenticity upon request.

Q: How can I confirm the correct bearing型号 for my industrial machinery?

A: Provide us with your equipment model, operating conditions (load, speed, temperature), and any existing bearing markings. Our technical team will help confirm the right specification for your application.

Q: What is the warranty policy for these bearings?

A: We offer a 12-month global warranty on all our bearings. If a manufacturing defect is found within this period, we provide free replacement or refund.

Q: What is the minimum order quantity for standard bearings?

A: We accept orders for 1 piece of standard items, making it easy to source replacement bearings for emergency repairs.

Q: How long

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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