Needle Roller Bearings

Needle Roller Bearing NK37/30 37x47x30mm P0-P4 Precision for Industrial Machinery

SKU: 39a312f4052d In Stock

Ensure smooth, precise rotation in your industrial machinery with the Needle Roller Bearing NK37/30, engineered to deliver reliable performance even under heavy radial loads. This 37x47x30mm high-precision bearing (available in P0-P4 grades) minimizes vibration and extends equipment lifespan, addressing the critical need for consistent operation in demanding manufacturing environments.

  • Designed without inner/outer rings for space-saving integration in compact machinery setups
  • Constructed with premium bearing steel and compatible with grease or oil lubrication for versatile application
  • Backed by our ISO 9001-certified production process, ensuring each unit meets strict dimensional and noise control standards (Z2-Z4 grades)
  • Supports OEM/ODM customization to match your specific equipment requirements, with 3-7 day delivery for quick turnaround on replacement or new builds
Wholesale Price (FOB)
¥1.50
MOQ: 1 Piece • Bulk discounts available on inquiry
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12-Month Warranty
Free Samples
Global Shipping
Product Specifications

Technical Details & Description

Product Specifications

Parameter Details
Model NO. NK37/30
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 3-7days
Service OEM ODM
Transport Package Carton Pallet
Specification 37*47*30 mm
Trademark BDL
Origin China
HS Code 8482102000
Production Capacity 1000000

Application Industries

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

Prevent Equipment Downtime with NK37/30 Needle Roller Bearing 37x47x30mm

Industrial machinery operators know the cost of unexpected bearing failure—production halts, maintenance overtime, and missed deadlines. When precision components like needle roller bearings underperform, the ripple effect disrupts entire operations. Many face challenges with inconsistent quality from suppliers, long lead times for custom sizes, or bearings that fail prematurely under heavy loads.

Reliable NK37/30 Needle Roller Bearing for Your Machinery

The NK37/30 Needle Roller Bearing addresses these pain points with its robust design and precise engineering. As an integrated manufacturer with over 15 years of experience, we ensure each bearing meets strict quality standards. The 37x47x30mm dimension and P0-P4 precision grades make it ideal for high-precision industrial machinery, where radial load capacity and compact design are critical. With a 3-7 day delivery time and OEM/ODM support, we adapt to both standard and custom requirements, ensuring you get the right bearing when you need it.

Optimal Performance in Demanding Industrial Conditions

Designed as a radial bearing without inner or outer rings, the NK37/30 excels in applications where space is limited but load capacity cannot be compromised. Its closed type construction protects against contaminants, making it suitable for dusty or lubricant-sensitive environments. Whether used in machine tool spindles, printing presses, or agricultural equipment reducers, this needle roller bearing delivers consistent performance under heavy radial loads, ensuring smooth rotation and extended machinery life.

Technical Details That Ensure Longevity

The NK37/30’s performance is defined by key technical features that directly impact your equipment’s reliability. Precision ratings from P0 to P4 allow customization based on application needs—P4 grade for high-speed, low-vibration machinery, and P0 for general industrial use. Clearance options (C0, C3, C4) accommodate thermal expansion and installation requirements, preventing premature wear. Made from high-quality bearing steel, it withstands rigorous operating conditions, while compatibility with both grease and oil lubrication offers flexibility in maintenance. These specifications work together to ensure the bearing meets the demands of continuous industrial operation.

Why Quality Matters More Than Price for Needle Roller Bearings

Choosing a low-cost, uncertified needle roller bearing may seem economical initially, but the hidden costs of failure are far higher. Inferior materials lead to early wear, causing machinery downtime and costly repairs. Our NK37/30 bearing, backed by ISO9001 and ISO14001 certifications, undergoes rigorous quality control—from raw material inspection to final performance testing. This commitment to quality reduces the risk of unexpected failures, lowering your total cost of ownership. For industrial machinery makers, investing in a reliable 37x47x30mm needle bearing means fewer interruptions and more consistent production output.

Why Global Buyers Choose Saifan for Needle Roller Bearings

Our reputation as a trusted bearing partner is built on tangible strengths. With a full R&D department and QC lab, we ensure each NK37/30 bearing meets international standards. We serve buyers across Europe, America, Southeast Asia, and the Middle East, offering a 12-month global warranty and free technical guidance. Our flexible order policy—1pc MOQ for standard items and free samples (buyer covers freight)—supports both small-scale repairs and large production runs. With 1000000 units annual production capacity, we maintain stable supply even for high-volume orders, ensuring you never wait for critical components.

Packaging & Shipping

  • Securely packaged in cartons with pallet reinforcement for protection during transit
  • 3-7 days delivery time for standard orders, ensuring quick response to urgent needs
  • Multiple logistics options including DHL, FedEx, UPS, air, and sea freight
  • Real-time tracking provided for all shipments, keeping you informed of delivery status
  • 1pc minimum order quantity, ideal for emergency repairs or small-batch testing

Get Your NK37/30 Bearing Shipped Today

Don’t let equipment downtime affect your productivity. The NK37/30 Needle Roller Bearing is in stock and ready to ship. Whether you need a single unit for maintenance or bulk orders for production, we ensure fast delivery and consistent quality. Contact us now with your requirements—our team will help confirm specifications and provide a quote within 24 hours.

Frequently Asked Questions

Q: Is the NK37/30 bearing genuine and traceable?

A: Yes, we are an integrated manufacturer with strict quality control processes. Each bearing is produced in our ISO-certified facility and can be traced through our production records.

Q: How do I confirm if the NK37/30 is suitable for my 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 configuration.

Q: What is the warranty policy for the NK37/30 bearing?

A: We offer a 12-month global warranty covering manufacturing defects. Defective products will be replaced or refunded at no additional cost.

Q: What is the minimum order quantity for the NK37/30?

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

Q: How long does it take to ship the NK37/30 bearing?

A: Standard orders ship within 3-7 days. For urgent needs, please contact us to arrange expedited delivery.

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.

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