Needle Roller Bearings

Needle Roller Bearing NKI50/25 50x68x25mm P0-P4 Precision for Industrial Machinery

SKU: 9ae9e2638b48 In Stock

Ensure smooth, precise rotation for your industrial machinery with the Needle Roller Bearing NKI50/25, engineered to deliver reliable performance in high-load applications. This 50x68x25mm radial bearing combines P0-P4 precision grades with durable bearing steel construction, reducing downtime and extending equipment service life.

  • Designed without inner/outer rings for space-saving integration in tight mechanical assemblies
  • Supports grease or oil lubrication to adapt to your maintenance routine, ensuring consistent operation under varying conditions
  • Backed by Saifan's strict quality control and 12-month warranty, so you can focus on productivity without worrying about component failure
Wholesale Price (FOB)
¥1.50
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. NKI50/25
Load Direction Radial Bearing
Style Without Outer Ring, Without Inner Ring
Material Bearing Steel
Type Closed
Product Name Needle Roller Bearing
Lubrication Grease or Oil
Precision Rating P0 P6 P5 P4 P2
Clearance C0 C3 C4
Delivery Time 3-7days
Service OEM ODM
Transport Package Carton Pallet
Specification 50*68*25 mm
Trademark BDL
Origin China
HS Code 8482102000
Production Capacity 1000000

Application Industries

Industry Typical Equipment
Industrial Machinery Machine Tools, Printing Machinery, Reducers
Automotive Transmission Systems, Gearboxes
Agricultural Machinery Harvesters, Tractors
Construction Excavators, Heavy Load Equipment

Prevent Equipment Downtime with NKI50/25 Needle Roller Bearing for Industrial Machinery

Industrial machinery operators know the frustration of unexpected downtime caused by bearing failures. When a needle roller bearing fails prematurely, it halts production lines, increases maintenance costs, and delays deliveries. Many face challenges with finding reliable suppliers who can provide precision bearings that meet exact specifications, especially when dealing with custom machinery requirements or urgent replacement needs.

Reliable NKI50/25 Needle Roller Bearing for Your Industrial Machinery

The NKI50/25 Needle Roller Bearing is engineered to address these challenges, offering a reliable solution for industrial machinery applications. With dimensions of 50x68x25mm and precision ratings from P0 to P4, this radial needle bearing is designed to deliver consistent performance in demanding environments. Our production capacity of 1,000,000 units ensures stable supply, while the 3-7 day delivery time meets the needs of urgent maintenance and production schedules.

Optimal Performance in Demanding Industrial Conditions

This Needle Roller Bearing excels in applications requiring high radial load capacity within a compact design. Its closed type construction and bearing steel material make it suitable for use in machine tools, reducers, and printing machinery where durability and precision are critical. The ability to handle both grease and oil lubrication provides flexibility in various operating conditions, ensuring smooth rotation even under heavy loads.

Key Technical Features That Ensure Performance

The NKI50/25 Needle Roller Bearing’s precision rating (P0-P4) directly impacts machine accuracy—higher precision grades like P4 minimize runout, reducing vibration and noise in high-speed applications. Clearance options (C0, C3, C4) allow customization based on thermal expansion requirements; C3 and C4 clearances are ideal for applications with temperature variations. The bearing’s radial design optimizes load distribution, enhancing durability in machinery subject to continuous operation. Without inner and outer rings, it offers space-saving advantages, making it suitable for compact equipment designs where installation space is limited.

Why Quality Matters: The Cost of Substandard Bearings

Choosing a quality NKI50/25 Precision Bearing over substandard alternatives reduces long-term costs significantly. Inferior bearings often fail early, leading to unplanned downtime, increased labor for replacements, and potential damage to other machine components. Our bearings, manufactured under ISO9001 and ISO14001 certifications, ensure consistent quality and reliability. The 12-month global warranty provides added security, covering manufacturing defects and ensuring peace of mind for industrial machinery operators who cannot afford production interruptions.

Your Trusted Partner for Industrial Bearings

Jinan Saifan Bearing, with over 18 years of experience, has established itself as a reliable manufacturer serving global markets across Europe, America, Southeast Asia, and the Middle East. Our in-house R&D and quality control lab ensure each bearing meets strict standards, from raw material inspection to final product testing. We offer OEM/ODM customization to meet specific machinery requirements, with a minimum order quantity of 1 piece for standard items—perfect for both small-scale repairs and large production runs. Our technical team provides free guidance, helping customers select the right bearing for their application, and our defect replacement policy ensures prompt resolution of any issues.

Packaging & Shipping

  • Packaged in carton with pallet reinforcement to ensure product protection during transit
  • 3-7 days delivery time for standard orders, supporting urgent maintenance needs
  • Flexible shipping options including DHL, FedEx, UPS, air freight, and sea freight
  • Real-time logistics tracking provided for all shipments
  • 1 piece minimum order quantity available for standard items

Secure Your NKI50/25 Bearing Today

Don’t let bearing issues disrupt your production schedule. The NKI50/25 Needle Roller Bearing is ready to ship, with the precision and durability your industrial machinery demands. Whether you need a single replacement or bulk order, we can fulfill your requirements quickly and reliably. Contact us now to ensure your equipment stays operational.

Frequently Asked Questions

Q: Is the NKI50/25 Needle Roller Bearing genuine and traceable?

A: Yes, we are an integrated manufacturer with full quality control processes. Each bearing is produced under ISO9001 certification, and we can provide batch traceability documentation upon request.

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

A: Provide your equipment model, operating conditions (load, speed, temperature), and required precision grade. Our technical team will verify compatibility and recommend the optimal clearance and lubrication for your application.

Q: What is the warranty policy for the NKI50/25 bearing?

A: We offer a 12-month global warranty covering manufacturing defects. If a bearing fails due to material or production issues, we provide free replacement or refund.

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

A: The minimum order quantity is 1 piece for standard items, making it suitable for emergency repairs and small-scale purchases.

Q: How long does it take to ship the NKI50/25 bearing?

A: Standard delivery time is 3-7 days. For urgent orders, please contact us to discuss expedited shipping options.

Q: Can you provide OEM services for custom bearing requirements?

A: Yes, we offer full OEM/ODM customization. Provide your specific dimensions, precision等级, and material requirements, and our engineering team will develop a solution tailored to your needs.

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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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