High-Speed R188 Miniature Ball Bearing for Micro Motors

Name: High-Speed R188 Miniature Ball Bearing for Micro Motors
Brand: Xiamen Dreampower Intelligent Technology Co., Ltd.
SKU: 2273335115

Fujian, ChinaXiamen Dreampower Intelligent Technology Co., Ltd.

US$0.10-0.50

10 Pieces

Product specifications

R188

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

Bearing Material

Chrome Steel (Gcr15) / Stainless Steel (440c)

Model No.

R188zz / R188-2RS

Model NO.

R188

Cage Material

Steel Stamping / Brass / Nylon

Precision Rating

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

Internal Clearance

C0 (Standard), C2, C3, C4

Noise & Vibration

Z1V1, Z2V2, Z3V3

Limiting Speed (Grease)

~35,000 Rpm

Limiting Speed (Oil)

~45,000 Rpm

Seals Type

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

Certifications

ISO9001:2015, RoHS, Reach

Main Applications

Micro Motors, Dental Drills, RC Models

Transport Package

Plastic Tube + Carton / Industrial Packing

Specification

6.35mm x 12.7mm x 4.762mm

Trademark

Welink

Origin

Fujian, China

HS Code

84821020

Production Capacity

2000000/Monthly

Key features

Ultra-Low Friction Design: Precision-polished raceways minimize energy loss, ensuring your micro motors run smoother and batteries last longer.

Zero Maintenance Operation: Tired of frequent lubrication? Our pre-greased, double-shielded (ZZ) design blocks dust and eliminates the need for manual maintenance.

Up to 40,000 RPM Speed: Optimized cage design and high-grade steel allow continuous high-speed rotation, outperforming standard bearings by 30% in RPM limits.

Flawless in Precision Devices: With ABEC-5 (P5) high precision, it guarantees wobble-free, stable performance for sensitive dental tools and 3D printers.

Superior Noise Control: Rated at Z3/V3 noise level, it operates significantly quieter than market alternatives, perfect for silent smart home devices.

Welink Factory Direct: ISO 9001 & RoHS certified manufacturing. We offer full OEM/ODM customization with competitive factory-direct pricing.

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: ≤5.51hTerms 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 a trading company with strong R&D capabilities, offering customization services, and focused on export markets. They lack financial performance with zero revenue and profit reported, have no stock service capacity, and do not participate in offline trade shows. Their production quality is emphasized, but innovation is lacking due to no new products in the past year. They provide ODM services but not OEM for popular brands.

Financial creditThe supplier shows no financial performance with zero revenue and profit over the last year and the last two years.

R&D capabilityThe supplier has R&D capabilities but did not release any new products in the past year, indicating limited innovation.

Production capacityThe supplier emphasizes strict quality control in production with advanced equipment and skilled operators.

Customization capabilityThe supplier offers extensive customization services including full and minor customization, indicating strong customization capabilities.

Product Q&A

Q:What are the exact dimensions and speed limits of the R188 bearing?

The R188 miniature ball bearing measures 1/4" (d) x 1/2" (D) x 3/16" (B) or 6.35x12.7x4.762mm. Depending on the lubrication (grease or oil), Welink Bearings can achieve limiting speeds of 35,000 to 45,000 RPM.

Q:Can Welink Bearing provide R188 bearings in Stainless Steel for medical or dental tools?

Yes! While Chrome Steel (GCr15) is standard, we highly recommend our Stainless Steel (SUS440C) R188 bearings for dental drills and medical instruments due to their excellent corrosion resistance and hygiene standards.

Q:How does Welink ensure the low noise requirements for micro motors?

We manufacture our bearings strictly under ISO 9001:2015 standards. Our R188 bearings undergo 100% vibration and noise testing to meet Z2/V2 or Z3/V3 levels, ensuring silent operation for micro motors and smart home drivetrains.

Q:Can I request a specific internal clearance (like C3) for high-temperature applications?

Absolutely. The standard clearance is C0, but we can customize C2, C3, or C4 clearances based on your specific temperature and operating conditions to prevent bearing lock-up.

Q:What is the MOQ and lead time for bulk orders?

We support flexible MOQs for trial orders. For standard R188ZZ bearings, samples can be sent within 3 days. Bulk orders typically have a lead time of 15-25 days, securely packed in industrial plastic tubes and cartons for export.