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Corrosion Resistant 624 Zz Miniature Bearing for Marine Applications
US$0.10-0.80
10 Pieces
Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Bearing Material

Stainless Steel (SUS440c)

Cage/Retainer Material

Steel Stamping Cage (SPCC) / Stainless Steel Cage

Model NO.

624

Internal Clearance

C0 (Standard), C2, C3 Available

Limiting Speed - Grease

35,000 Rpm

Dynamic Load Rating Cr

1.32 kN

Static Load Rating Cor

0.49 kN

Seals Type

Zz (Double Metal Shields), 2RS, Open

Certification

ISO9001:2015, RoHS, CE

Application 1

Micro Motors, 3D Printers, RC Toys

Application 2

Marine Trim Tabs, Medical Devices

Transport Package

Bulk Packing

Specification

4mm*13mm*5mm

Trademark

Welink

Origin

Fujian, China

HS Code

848210

Production Capacity

2000000pieces/Year

Key features

Double Shielded Design (ZZ): Blocks 99% of dust and debris from entering the bearing, extending product lifespan and maintaining optimal lubrication for smooth operation.
Maintenance-Free Operation: Pre-lubricated with premium high-grade grease, completely eliminating the need for manual relubrication and saving you expensive maintenance downtime.
Up to 35,000 RPM Speed: Engineered for extreme efficiency, safely supporting ultra-high speeds up to 35,000 RPM to easily outperform standard bearings in micro-motor applications.
Marine-Grade Reliability: Highly corrosion-resistant construction ensures top-tier, reliable performance whether installed in humid 3D printer setups or demanding marine trim tabs.
Superior ZV3 Noise Standard: Produces 20% less vibration and operational noise compared to standard ZV1 bearings, making it the perfect choice for noise-sensitive medical or home appliances.
Direct Factory Customization: As an integrated manufacturer, we deliver OEM sizes, custom clearances (e.g., C3), and fast prototyping within 7 days, unmatched by mere trading companies.

Company profile

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2010-12-01Nearest Port: Guangzhou, Xiamen, ShanghaiAverage Response Time: ≤4.52hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DDP, DAP, DAT, FAS, CIP, CPT, FCA, Others

AI-Powered supplier vetting

SummaryThe supplier is identified as a professional technical supplier focused on bearings and power-transmission products. It offers broad customization and ODM services, but does not provide 3D software design, SDKs, or OEM services for popular brands, and reported no new products in the past year. ISO 9001 certification is stated. The supplier claims integrated R&D-production bases, automated equipment, measurement tools, and strict quality control, while finished products are checked by packing staff. Export activity is reported at 90% of sales, with self-operated import/export rights and one year of export experience. However, reported operating revenue, costs, gross profit, and operating profit for the stated periods are zero, and there is no overseas warehouse, overseas showroom, overseas agent or branch, or offline trade-show participation. After-sales capability is not sufficiently documented.
Supplier typeThe supplier is explicitly identified as a professional technical supplier and its business scope includes bearing manufacturing, bearing sales, and high-speed precision heavy-duty bearings. This supports classification as a specialized bearing and industrial power-transmission supplier.
CertificationsThe supplier states that it holds an ISO 9001 supplier management-system certification. The provided information does not include the certificate number, issuing body, or validity period, but it is explicit evidence of certification holding.
After-Sales capabilityThe supplier has no in-stock service capacity, overseas warehouse, overseas showroom, overseas agents or branches, and offers overseas services in zero countries. Service-capability assessment also lacks written procedures or followed records, so the available evidence does not demonstrate a robust after-sales network.
Financial creditThe stated financial records report zero operating revenue, operating costs, gross profit, and operating profit for the listed periods. These figures provide explicit negative evidence regarding reported financial performance and therefore raise a material financial-credibility concern.
Production capacityThe business scope explicitly includes bearing manufacturing, including high-speed precision heavy-duty bearings. The supplier also claims integrated R&D-production bases, automated equipment, precise measuring tools, skilled operators, and strict process quality control, although the provided information does not quantify production capacity.
Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, flexible customization, and ODM services. This is direct evidence of broad product customization capability, despite the absence of 3D software design services.

Product Q&A

Q:What is the MOQ and can I get free samples for the 624ZZ miniature bearing?
A:
Yes, Welink Bearing provides 10-20 free samples for quality testing. Our standard MOQ is 1,000 pcs for mass production, ensuring flexible support for both R&D projects and large-scale manufacturing.
Q:Are you a trading company or a direct manufacturer?
A:
We are an integrated industry and trade manufacturer specializing in deep groove ball bearings. This allows us to offer direct factory pricing, strict quality control (100% inspection), and fast lead times without middleman markups.
Q:Can you customize the clearance or grease for specific micro motor applications?
A:
Absolutely. We offer comprehensive OEM/ODM services. We can adjust internal clearances (e.g., C2, C0, C3) and fill customized high/low-temperature grease to meet the exact speed and noise requirements of your motors.
Q:How do you guarantee the quality and noise level of your bearings?
A:
Every bearing undergoes 100% strict inspection for vibration (ZV1 to ZV4 standards), noise, and dimensions before shipment. We are fully ISO9001:2015 certified and provide a 1-year quality warranty for peace of mind.
Q:What is the lead time for standard and custom ball bearing orders?
A:
Standard standard stock items (like 624-ZZ) are dispatched within 3-5 days. For bulk OEM orders or custom specifications, our lead time is typically 15-25 days. We support global shipping via express (DHL/FedEx), sea, or air freight.

Send Inquiry

*To:Xiamen Dreampower Intelligent Technology Co., Ltd.Xiamen Dreampower Intelligent Technology Co., Ltd.
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