Premium High-Performance Ball Bearings for Mini Electric Tools

Name: Premium High-Performance Ball Bearings for Mini Electric Tools
Brand: Xiamen Dreampower Intelligent Technology Co., Ltd.
SKU: 2279913845

Fujian, ChinaXiamen Dreampower Intelligent Technology Co., Ltd.

US$0.10-0.80

10 Pieces

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Model Number

627

Bearing Material

Gcr15 Chrome Steel / Stainless Steel

Model NO.

627

Cage Material

Steel Ribbon / Crown Brass / Nylon

Limiting Speed (Grease)

36000 Rpm

Limiting Speed (Oil)

43000 Rpm

Dynamic Load Rating (Cr)

3.3 kN

Static Load Rating (Cor)

1.37 kN

Radial Clearance

C2 / C0 (Standard) / C3

Vibration Tolerance

Z1V1 / Z2V2 / Z3V3 / Z4V4

Precision Grade

ABEC-1 (P0) / ABEC-3 (P6) / ABEC-5 (P5) / ABEC-7 (

Seals Type

Open / Zz / 2RS

Application

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

Transport Package

Bulk Packing

Specification

7mm*22mm*7mm

Trademark

Welink

Origin

Fujian, China

HS Code

848210

Production Capacity

2000000pieces/Year

Key features

Precision-engineered for ultra-high-speed applications, delivering exceptional rotational stability for micro motors and RC models.

Advanced GCr15 chrome steel construction minimizes friction, ensuring low heat generation and prolonged service life for small machinery.

Equipped with premium 2RS rubber seals or ZZ metal shields to block dust and retain lubrication, drastically reducing maintenance needs.

The compact 7x22x7mm footprint provides uncompromising load-bearing capacity (3.3 kN) for tight spaces in 3D printers and dental tools.

Unlike standard resellers, Welink offers customized clearances, ABEC-5/ABEC-7 precision grades, and tailored lubrication at competitive wholesale prices.

Company profile

Xiamen Dreampower Intelligent Technology Co., Ltd.

Fujian, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2010-12-01Nearest Port: Guangzhou, Xiamen, ShanghaiAverage Response Time: ≤4.48hTerms 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 maximum speed of the 627 miniature ball bearing?

Our 627 deep groove ball bearings can safely reach up to 36,000 RPM with grease lubrication and 43,000 RPM with oil, making them highly efficient for high-speed micro motors and drones.

Q:Do you offer 627 bearings in stainless steel for humid environments?

Yes, besides standard GCr15 chrome steel, Welink Bearing manufactures 627 bearings in premium stainless steel to ensure excellent corrosion resistance for outdoor or dental equipment applications.

Q:Are these miniature bearings suitable for 3D printers and RC hobbies?

Absolutely. The 7x22x7mm compact size, combined with ABEC-5/ABEC-7 precision grades and Z3V3 low-noise ratings, ensures perfectly smooth and accurate movements for 3D printers and RC cars.

Q:Can I customize the seals and clearance for bulk orders?

Yes, as an integrated manufacturer, we support full OEM customization. You can specify Open, ZZ (metal shields), or 2RS (rubber seals), along with specific radial clearances (C2 to C3) based on your technical requirements.