Needle Roller Bearings

Needle Roller Bearing NK30/30 NK32/20 NK32/30 for Industrial Machinery with P0-P4 Precision

SKU: dd5b842e3262 In Stock

Ensure smooth, precise rotation in your industrial machinery with our Needle Roller Bearing series (NK30/30, NK32/20, NK32/30), engineered to deliver P0-P4 precision for reliable long-term performance. Crafted from high-grade bearing steel and designed without outer/inner rings, these radial bearings minimize friction and maximize load capacity, solving common issues with vibration and wear in heavy-duty operations.

  • Precision ratings from P0 to P4 meet strict industrial standards, ensuring compatibility with machine tools, reducers, and automation equipment
  • Grease or oil lubrication flexibility adapts to diverse operating conditions, reducing maintenance downtime
  • 3-7 day delivery ensures quick turnaround for urgent production needs, backed by our ISO 9001:2015 quality assurance
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. NK30/30
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 3-7 days
Service OEM ODM
Transport Package Carton Pallet
Specification 30*40*30 mm
Trademark BDL
Origin China
HS Code 8482102000
Production Capacity 1000000

Application Industries

Industry Typical Equipment
Industrial Machinery Machine Tools, Gearboxes, Printing Machines, Reducers
Automotive Transmission Systems, Wheel Hubs
Agricultural Machinery Tractors, Harvesters
Home Appliances Washing Machines, Air Conditioners
New Energy Wind Turbines, Solar Tracking Systems

Reduce Downtime with Precision Needle Roller Bearings NK30/30, NK32/20, NK32/30 for Industrial Machinery

Industrial machinery operators know the frustration of unexpected downtime caused by bearing failures. When a needle roller bearing underperforms, production lines halt, maintenance costs rise, and deadlines slip. Sourcing reliable bearings with the right precision grade and quick delivery often feels like navigating a maze of generic suppliers with unproven quality.

Precision Needle Roller Bearings Engineered for Industrial Reliability

Our Needle Roller Bearings NK30/30, NK32/20, and NK32/30 are designed to solve these challenges. As a professional bearing manufacturer with over 15 years of export experience, we produce these bearings to P0-P4 precision grades, ensuring they meet the strict demands of industrial machinery. Whether you need standard sizes or custom specifications, our one-stop service covers everything from R&D to production, eliminating the hassle of multiple suppliers.

Optimal Performance in Critical Industrial Applications

These needle roller bearings excel in applications requiring high radial load capacity and compact design. Ideal for gearboxes, printing machines, and reducers, they operate efficiently under heavy loads while maintaining precise rotation. The closed type design with bearing steel construction ensures durability, making them suitable for continuous operation in industrial environments where reliability directly impacts productivity.

Key Technical Features That Drive Performance

The precision rating of these bearings—from P0 to P4—directly influences machine accuracy. Higher precision grades like P4 minimize vibration and noise, critical for sensitive equipment such as CNC machines. Clearance options (C0, C3, C4) allow customization based on operating conditions; C3 and C4 clearances accommodate thermal expansion in high-temperature environments, preventing premature failure. The choice between grease or oil lubrication further tailors performance to specific speed and load requirements, ensuring optimal friction reduction and heat dissipation.

Why Genuine Precision Bearings Lower Total Cost of Ownership

Choosing genuine needle roller bearings over low-quality alternatives reduces long-term costs significantly. Inferior bearings often fail early, leading to unplanned downtime, costly repairs, and potential damage to adjacent components. Our bearings, manufactured with high-grade chrome steel and strict quality control, meet ISO, ABMA, and DIN standards, ensuring consistent performance and longer service life. The initial investment in quality bearings translates to fewer replacements and lower maintenance expenses over time.

Our Commitment to Reliability and Service

With ISO 9001:2015 and ISO 14001 certifications, we adhere to rigorous quality management practices. Our in-house laboratory conducts dimensional, noise, vibration, and service life tests, ensuring every bearing meets our high standards. We offer flexible order policies, including 1 piece MOQ for standard bearings and 3-5 day delivery for samples, supporting both small-scale repairs and large production runs. Our professional technical team provides free guidance on selection, installation, and maintenance, helping you maximize bearing performance and lifespan.

Packaging & Shipping

  • Carton and pallet packaging for secure transportation
  • 3-7 days delivery time for standard orders
  • Multiple logistics options including express, air, and sea freight
  • Real-time tracking provided for all shipments
  • 1 piece minimum order quantity available for emergency needs

Get Your Precision Needle Roller Bearings Today

Don’t let bearing issues disrupt your operations. Whether you need NK30/30, NK32/20, NK32/30, or custom needle roller bearings, we’re ready to fulfill your order. Send us your specifications and quantity requirements, and our team will provide a prompt quote to help you get back to production quickly.

Frequently Asked Questions

Q: Are these needle roller bearings genuine and traceable?

A: Yes, all our bearings are manufactured in our own facility with strict quality control. Each product can be traced through our production records, and we provide certification of compliance with international standards upon request.

Q: How do I confirm the right bearing model for my industrial machinery?

A: Provide your equipment model, operating conditions (load, speed, temperature), and required precision grade. Our technical team will analyze your needs and recommend the most suitable bearing model.

Q: What is the warranty policy for these bearings?

A: We offer a 12-month warranty from the date of delivery. Defective products due to manufacturing issues will be replaced free of charge or refunded, as per customer preference.

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

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

Q: How long does it take to ship an order?

A: Sample orders are shipped within 3-5 working days, and bulk orders within 5-15 working days. We work with major logistics providers to ensure timely delivery.

Q: Can you provide custom needle roller bearings according to specific drawings?

A: Yes, we support OEM and ODM customization. Our engineering team can adjust dimensions, materials, and design based on your drawings and application requirements.

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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