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Premium 628 Mini Deep Groove Bearing for Electric Motors
US$0.10-0.80
10 Pieces
Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Bearing Material

100cr6 / Gcr15 Chrome Steel

Cage Material

Steel Stamping / Brass / Nylon PA66

Model NO.

628

Sealing Type

Open / Zz (Metal Shields) / 2RS (Rubber Seals)

Clearance

C0, C2, C3, C4

Precision Rating

ABEC-1 (P0), ABEC-3 (P6), ABEC-5 (P5)

Vibration & Noise

Z1V1, Z2V2, Z3V3, Z4V4

Limiting Speed

Grease: ~30,000 Rpm / Oil: ~36,000 Rpm

Dynamic Load Rating Cr

3.35 kN

Static Load Rating Cor

1.43 kN

Application Fields

Micro Motors, RC Models, 3D Printers, Power Tools

Transport Package

Bulk Packing

Specification

8mm x 24mm x 8mm

Trademark

Welink

Origin

Fujian, China

HS Code

848210

Production Capacity

2000000pieces/Year

Key features

Precision engineered to support up to 30,000 RPM with grease lubrication, ensuring optimal and stable performance for demanding micro motors.
Stop frequent replacements; our premium GCr15 chrome steel combined with advanced ZZ/2RS seals blocks dust and extends service life by over 50%.
Manufactured strictly to Z3V3 vibration standards, effectively eliminating harsh mechanical noise to ensure your home appliances run smoothly and quietly.
From high-intensity RC models to high-precision 3D printers, our compact 8x24x8mm bearings deliver consistent, top-tier reliability across diverse industrial environments.
Engineered for excellence, our bearings feature optimized internal geometry, handling dynamic loads up to 3.35 kN, outperforming standard competitors in extreme conditions.
As an integrated manufacturer with ISO 9001:2015, RoHS, and REACH certifications, we provide strict OEM/ODM customization and global 24/7 technical support.

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:Are you a deep groove ball bearing manufacturer or a trading company in China?
A:
We are an integrated industry and trade manufacturer specializing in deep groove ball bearings, based in Fujian, China. We offer direct factory prices, stringent quality control, and reliable OEM/ODM services globally.
Q:What is the maximum speed and lifespan of your 628 miniature bearings?
A:
Our 628 bearings are crafted from high-grade GCr15 chrome steel, capable of reaching speeds up to 30,000 RPM. With proper sealing options (ZZ or 2RS), they offer exceptional wear resistance and a significantly extended lifespan.
Q:Can I get free samples for the 628 ball bearings before placing a wholesale order?
A:
Yes, we are happy to provide free samples for your quality testing and approval. You only need to cover the initial shipping cost. We guarantee that mass production quality will perfectly match the samples.
Q:What is your standard lead time for OEM bearing orders?
A:
For standard models like 628ZZ or 628-2RS in bulk packing, our lead time is typically 7-15 days. For customized OEM orders with specific clearance, grease, or laser engraving, it takes about 20-25 days.

Send Inquiry

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