High Quality Factory IKO Bearing Nta3244 Nta3446 Nta3648 Nta3650 HK1514 HK1515 HK1516 Needle Roller Bearing for Auto Motorcycle Parts

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Product Description

Basic Information
Model NO. NTA1423 NTA1625 NTA1828 NTA2031 NTA2233 NTA2435 NT
Load Direction Axial Bearing; Radial Bearing
Style Without Inner Ring, With Inner Ring
Material Bearing Steel (Gcr15)
Precision P0 P5 P6
Lubrication Oil or Grease
Application Heavy Vehicle, Auto Motorcycle Parts
Features High Precision, Long Life, Low Noise
Product Description

Needle roller bearings are a specialized type of rolling-element bearing renowned for their unique design, which features long, thin cylindrical rollers—resembling needles—that are significantly longer than their diameter. This distinctive structure sets them apart from other bearing types, enabling them to deliver exceptional performance in applications where space is limited and high load-carrying capacity is essential.

One of the key advantages of needle roller bearings lies in their high load capacity relative to their compact size. The elongated rollers distribute weight evenly across a larger contact area with the raceways, allowing them to withstand both radial and, in some designs, axial loads efficiently. This makes them ideal for use in machinery and equipment where design constraints demand a small footprint without compromising on strength, such as automotive transmissions, hydraulic pumps, and industrial gearboxes.

Needle Roller Bearing Product
Technical Specifications
Product Type NA Series / RNA Series / NK Series / NKI Series / NKS Series
Structure Needle Bearing
Service OEM / ODM Support
Delivery Time 7-30 days depends on quantity
Quality Grade Large bearing capacity, fine mass
Available Models & Dimensions
Model No. Fw (mm) D (mm) C (mm) Basic Load Cr (N) Speed (Oil RPM)
NAV4002153217108004500
NAV4004204222281503900
NAV4006305525499003500
NAV4008406828499002700
NAV4010508030557002500
Manufacturing Excellence

Our facility is a distinguished player in the bearing manufacturing industry. With advanced production lines and convenient transportation access, we are strategically positioned to enable seamless distribution of high-quality bearing products both domestically and globally.

Production Facility
Quality Certifications
Why Choose Us
Packaging & Shipping
Global Shipping
  • Industrial Packing: Plastic Tube Packing, Paper Rolling Packing.
  • Single Box Packing: White Box or Color Box options.
  • Bulk Shipping: Carton Box + Reinforced Pallets for maximum protection.
Packaging Details
Frequently Asked Questions
What is the Minimum Order Quantity (MOQ)?
The MOQ is 10pcs for standardized products. For customized ODM/OEM orders, the MOQ is negotiated based on specific requirements. Sample orders have no MOQ.
What are the lead times for orders?
Sample orders typically take 3-7 days, while bulk production orders usually range from 7 to 25 days depending on the quantity and customization level.
Do you provide OEM and ODM services?
Yes, we provide full OEM & ODM services. We can customize bearing styles, sizes, housings, and even packaging boxes to meet global customer requirements.
How do you ensure the quality of your bearings?
We utilize a perfect quality control system, advanced testing equipment, and a team of experienced engineers. Every bearing is tested individually to ensure high performance.
What is the warranty period for your products?
We offer a 12-month warranty from the date of receipt. If any defective products are found, we provide replacements in the next order or a refund.
What materials are used in your needle roller bearings?
Our bearings are primarily manufactured using high-quality Bearing Steel (Gcr15) to ensure long life, high precision, and durability under heavy loads.

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