Heavy Duty Shockproof Deep Groove Ball Bearing for Gearboxes

Name: Heavy Duty Shockproof Deep Groove Ball Bearing for Gearboxes
Brand: Xiamen Dreampower Intelligent Technology Co., Ltd.
SKU: 2285951545

Fujian, ChinaXiamen Dreampower Intelligent Technology Co., Ltd.

US$0.10-5.00

10 Pieces

Product specifications

6704

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

Bearing Type

Thin Section Deep Groove Ball Bearing

Material

Gcr15 Chrome Steel / AISI 440c Stainless Steel

Model NO.

6704

Precision Grade

P0(ABEC-1) / P6(ABEC-3) / P5(ABEC-5) / P4(ABEC-7)

Radial Clearance

C0 (Standard) / C2 / C3

Vibration & Noise

Z1V1 / Z2V2 / Z3V3 / Z4V4

Seals Type

Open / Zz (Metal Shield) / 2RS (Rubber Seal)

Lubrication

High-Speed Grease / Synthetic Oil

Application

Robotics, Stepper Motors, Encoders, Medical Device

Transport Package

Industrial Packing / Single Box Packing

Specification

20mm * 27mm * 4mm

Trademark

Welink

Origin

Fujian, China

HS Code

84821020

Production Capacity

2000000/Monthly

Key features

Ultra-Thin Space Saver: The 4 width profile minimizes mechanical weight and design envelope, making it ideal for compact robotic joints and precision encoders.

18,000RPM High-Speed Capability: Engineered with optimized internal geometry to deliver low running torque and stable performance at speeds up to 18,000RPM

Maintenance-Free Sealing: Available in ZZ and 2RS configurations pre-lubricated with premium Mobil/Kyodo Yushi grease to prevent dust ingress and extend service life.

Company profile

Xiamen Dreampower Intelligent Technology Co., Ltd.

Fujian, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2010-12-01Nearest Port: Xiamen, Guangzhou, ShanghaiAverage Response Time: ≤5.48hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DDP, DAP

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 are the advantages of using 6704 thin section ball bearings in robotic joints?

The 6704 bearing 20mm*27mm*4mm is specifically engineered for robotics due to its: 1. Space & Weight Savings: It occupies minimal radial space, allowing for more compact joint designs. 2. Low Starting Torque: Ensures smooth rotary movement and precise positioning control. 3. High Speed: Supports operating speeds up to 18,000RPM under grease lubrication.

Q:Does Welink Bearing offer custom clearances and grease options for the 6704 model?

Yes, as a leading integrated industry and trade manufacturer, Welink provides full customization: 1. Clearances: Available in C0, C2, C3, and C4 to meet different thermal expansion needs. 2. Grease Options: We offer specialized grease for high-temperature, low-noise, or food-grade applications (such as Kyodo Yushi, Mobil, or Kluber). 3. Precision Classes: Custom manufacturing from standard P0 (ABEC-1) up to high-precision P5 (ABEC-5) or P4 (ABEC-7).

Q:How does Welink ensure the quality consistency of deep groove ball bearings?

At Welink Bearing, we implement strict quality control standards throughout production: 1. Raw Material: We use high-quality vacuum-degassed GCr15 chrome steel to ensure maximum fatigue life. 2. Precision Testing: 100% testing for roundness, roughness, radial runout, and vibration (Z1V1 to Z3V3). 3. Certification: Our factory operates under ISO 9001 and IATF 16949 quality management systems, ensuring full batch traceability.