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Na4900-2RS Double Sealed Dust Proof Maintenance Free Needle Roller Bearing
US$0.26
1-1,000 Sets
US$0.25
1,001-5,000 Sets
US$0.24
5,001+ Sets
Sample price:US$1.00/piece.Request sample
Product profile
Customization
AvailableCage
With CageRows Number
SingleModel NO.
NA4900-2RSLoad Direction
Radial BearingStyle
With Outer Ring, With Inner RingMaterial
Bearing SteelType
ClosedBearing Type
Needle Roller BearingPrecision Grade
P0 / P6Application
Automotive / Industrial MachinerySeal Type
2RS Double SealedClearance
C0 / C3Cage Material
Steel Cage/ Nylon CageTransport Package
Wooden Case / Carton BoxSpecification
Standard Series (HK/NK/NA...)Trademark
U&S BEARINGOrigin
ChinaKey features
High precision & low noise design, stable operation for long service life.
Made of high-quality chrome steel, wear-resistant and corrosion-resistant, suitable for various working conditions.
Compact structure, easy installation, widely used in gearboxes, motors, machinery and other equipment.
Company profile
CertifiedBusiness Type: Trading CompanyExport Year: 2025-07-31Nearest Port: NINGBOAverage Response Time: ≤0.03hTerms of Payment: T/TInternational Commercial Terms(Incoterms): FOB, CFR, CIF, EXW
AI-Powered supplier vetting
SummaryThe supplier is identified as a professional technical supplier with broad bearing customization capabilities and self-operated import and export rights. It reports 100% finished-product inspection, a quality assurance system, professional testing laboratory equipment, and inspections covering incoming materials, production, and outgoing products. However, raw-material traceability is unavailable, inspection and corrective-action procedures lack written records, and only one quality inspector is reported. The supplier has exported for 14 years, with exports representing 51%–70% of total sales, but has no overseas showroom, agent, or branch. Innovation evidence is limited: there were no new products in the past year, and the supplier does not offer ODM, SDK, or well-known-brand OEM services. Financial records are referenced for recent years, but financial strength cannot be determined from the provided information.
Supplier typeThe supplier is explicitly identified as a professional technical supplier and provides customized global procurement solutions. It also has self-operated import and export rights and 14 years of export experience, indicating an established international-supply orientation.
R&D capabilityThe supplier supports customization from samples and designs, but it reported no new products in the past year and does not provide ODM, SDK, or well-known-brand OEM services. It also does not provide 3D software design services, which is an explicit limitation.
Production capacityThe supplier reports 100% finished-product inspection, a one-month average lead time in both peak and off-season periods, and production information for deep-groove ball bearings and tapered roller bearings. Its quality descriptions include incoming, in-process, and outgoing inspections, but only one quality inspector is reported and raw materials lack traceability identification.
Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. These capabilities are consistently reported across the technical and design-service information.
Product Q&A
Q:What quality standards do your bearings comply with?
A:
All our bearings comply with international standards such as ISO 492:2014 and GB/T 18254-2016. We have obtained ISO 9001:2015 quality management system certification, and all products undergo strict quality inspection before leaving the factory.
Q:What material are your bearings made of?
A:
The main material of our bearings is high-quality GCr15 bearing steel, which has excellent hardness, wear resistance and toughness. We also provide stainless steel bearings according to customer requirements for special working environments.
Q:What precision grades do your bearings support?
A:
Our mainstream precision grades are P0 (standard grade) and P6 (high grade), which are suitable for most industrial and automotive applications. For special precision requirements, we can also provide P5 grade bearings as needed.
Q:Do you receive customized order?
A:
Yes, ODM & OEM are welcomed.
Q:What bearing series do you mainly supply?
A:
Our main product series include: Deep Groove Ball Bearings (6000, 6200, 6300 series), Needle Roller Bearings (HK, NK, NA, BK series), Tapered Roller Bearings (30200, 30300, 32000, 32200 series). We can also supply non-standard bearings according to customer drawings or samples.
Send Inquiry
*To:
Wuhu Yuchi Bearing Co., Ltd.
Wuhu Yuchi Bearing Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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