Description
Product Overview
The KNIPEX Set of Five Cut Wheels Needle Bearings, model 90 31 02 SBA, is engineered for high‑performance applications where precision and durability are paramount. Constructed from a proprietary blend material, each bearing offers exceptional resistance to wear, corrosion, and temperature fluctuations. The cut‑wheel design ensures optimal load distribution across the needle rollers, reducing friction and extending service life. With dimensions of 5.75 x 3.16 x 0.75 inches and a lightweight profile of just 27.22 grams per bearing, the set provides a compact yet powerful solution for a wide range of industrial equipment.
These roller bearings are compatible with standard grease lubricants, allowing for straightforward maintenance and reliable operation in demanding environments. The package includes five individually packaged bearings, each bearing the part number 90 39 02 V03, ensuring consistent quality and traceability. The set meets rigorous industry standards, reflected in its ranking as #63 in Needle Roller Bearings on Amazon and its best‑seller status within the Industrial & Scientific category.
![[Product front view showing all components]](https://www.ecomoria.store/wp-content/uploads/2026/07/e3c752eab0754c9cbb177e58609ba8a6.jpg)
Usage
Designed for versatility, the KNIPEX needle bearings excel in a variety of industrial settings. They are ideal for power transmission systems, including gearboxes, conveyors, and motor assemblies, where precise rotational movement is essential. The bearings also perform well in agricultural machinery, construction equipment, and automotive components that require compact, high‑load‑capacity solutions.
Maintenance technicians appreciate the grease‑ready feature, which simplifies lubrication schedules and reduces downtime. The bearings can be installed on shafts ranging from small to medium diameters, making them suitable for both new equipment builds and retrofitting projects. Their robust construction ensures reliable operation even under heavy cyclic loads, vibration, and shock, providing peace of mind for engineers and operators alike.
Why Choose Us
Choosing KNIPEX means selecting a brand with a legacy of precision engineering and quality assurance. Each bearing undergoes stringent testing procedures, including dimensional accuracy checks, load capacity verification, and material integrity assessments. Our commitment to excellence is reflected in the consistent performance of our products across diverse applications.
We stand behind our bearings with comprehensive after‑sales support, offering technical assistance, replacement parts, and warranty coverage. Our global distribution network ensures rapid delivery and localized service, minimizing lead times for critical projects. By investing in KNIPEX needle bearings, you benefit from a combination of superior craftsmanship, reliable performance, and responsive customer care.
Key Features
- Five precision‑cut wheel bearings delivered in a single convenient set
- Blend material provides excellent wear resistance and longevity
- Grease‑ready design simplifies lubrication and maintenance
- Compact dimensions enable installation in tight spaces without sacrificing load capacity
- Dedicated KNIPEX customer support ensures reliable after‑sales service
FAQ
What size shafts are compatible with these bearings?
The bearings are designed to fit standard shaft diameters commonly used in industrial machinery. Specific dimensions are listed in the product specifications, and a technical datasheet is available upon request.
Can these bearings be used with oil lubrication instead of grease?
While the bearings are optimized for grease lubrication, they can operate with oil in applications where oil is the preferred lubricant. However, grease is recommended for optimal performance and longevity.
What is the warranty period for this bearing set?
KNIPEX provides a one‑year limited warranty covering manufacturing defects. Contact our support team for warranty claims and further assistance.
How do I install the bearings correctly?
Installation involves cleaning the shaft, applying a thin layer of compatible grease, and gently pressing the bearing onto the shaft using a suitable tool. Detailed installation instructions are included in the package.
Are replacement parts available for individual bearings?
Yes, each bearing is stocked separately under the part number 90 39 02 V03, allowing you to replace individual units without purchasing a new set.




Needle Roller Thrust Bearing AXK3552 by uxcell 35mm ID 52mm OD
Reviews
There are no reviews yet.