SR188 R188 Stainless Steel Hybrid Ceramic Ball Bearing 10 Zirconia Balls SS Ribbon Retainer 6.35x12.7x4.762 mm

Price Negotiable
Price: $3 / pcs
MOQ: 100.PCS
Delivery Time: Within 3 days
Brand: GQZ or OEM
Product Description
SR188 R188 Stainless Steel Hybrid Ceramic Ball Bearing 10 Zirconia Balls SS Ribbon Retainer 6.35x12.7x4.762 mm
Product Overview

The SR188 hybrid ceramic ball bearing is a high-performance miniature bearing designed for high-speed, low-friction, and corrosion-resistant applications.

With silicon nitride ceramic balls and stainless steel rings, this bearing offers lower weight, higher speed capability, and longer service life compared to standard steel bearings. It is widely used in medical devices, high-speed spindles, and precision equipment.

Key Specifications
Parameter Value
Bearing Model SR188
Bearing Type Hybrid Ceramic Deep Groove Ball Bearing
Inner Diameter 1/4 inch (6.35 mm)
Outer Diameter 1/2 inch (12.7 mm)
Width 3/16 inch (4.76 mm)
Ball Material Silicon Nitride Si3N4 Ceramic
Ring Material Stainless Steel
Cage Type Steel Cage / Polymer Cage Optional
Sealing Type Open, ZZ, 2RS Optional
Product Features
  • Hybrid ceramic design for high-speed and low-friction operation

  • Silicon nitride balls reduce heat generation and wear

  • Corrosion-resistant stainless steel rings

  • Low noise and smooth rotation

  • Suitable for high-speed and precision applications

  • Long service life with minimal maintenance


Typical Applications
  • High-speed spindles and CNC equipment

  • Medical and dental devices

  • Robotics and automation systems

  • Precision instruments and laboratory equipment

  • Performance hobby and sports equipment

Why Choose GQZ Bearing
  • ISO 9001 certified manufacturing and quality control

  • Precision grinding and strict dimensional inspection

  • Stable batch production for consistent quality and delivery

  • OEM and ODM customization for material, seals, and tolerance grades

  • Competitive factory pricing with global export experience

  • Technical support for bearing selection and application optimization

FAQ
Q1: What is the advantage of hybrid ceramic bearings compared to steel bearings?

Hybrid ceramic bearings use ceramic balls and steel rings, providing lower friction, higher speed capability, and longer service life than conventional steel bearings.


Q2: Can you provide ABEC 7 precision grade for SR188 bearings?

Yes. We offer ABEC 1, ABEC 3, ABEC 5, and ABEC 7 precision grades depending on application requirements.


Q3: Are sealed versions available for dust or moisture protection?

Yes. SR188 bearings can be supplied with metal shields (ZZ) or rubber seals (2RS) for improved contamination protection.

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Wuxi Guangqiang Bearing Trade Co.,Ltd
Location No. 650 North Xingyuan Road, Beitang District, Wuxi, China.
Contact Person Mike Zhang

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