SR 188 ZZ MGK 6.35x12.7x4.763 Deep Groove Ball Bearing

Precision Inch Bearing for High-Speed Mechanical Systems

The SR 188 ZZ MGK 6.35x12.7x4.763 is a miniature inch-size deep groove ball bearing designed for compact rotating mechanisms requiring high precision, smooth operation and long service life. Its double metal shields protect the rolling elements from contamination while retaining lubricant inside the bearing, making it suitable for continuous industrial operation and precision mechanical assemblies. The inch dimensions of 1/4 x 1/2 x 3/16 inch make this bearing popular in electric motors, precision instruments and specialized industrial equipment.

Application in Industrial Systems

The SR 188 ZZ MGK bearing is widely used in compact industrial equipment and precision rotating mechanisms where dimensional accuracy and low friction are essential.

Typical applications include:

• electric motors
• industrial automation
• laboratory equipment
• measuring instruments
• medical devices
• precision gearboxes
• robotics
• CNC equipment
• model engineering
• compact drive systems

Construction and Design

The SR 188 ZZ MGK utilizes a single row deep groove ball bearing design with double metal shields (ZZ). The optimized raceway geometry provides excellent rotational accuracy while supporting radial loads and moderate axial loads from both directions.

Industry entities naturally associated with this product include:

• deep groove ball bearing
• miniature ball bearing
• inch bearing
• precision bearing
• industrial bearing
• electric motor bearing
• automation bearing
• machine bearing
• high speed bearing
• OEM replacement bearing

Material Properties

Manufactured from high-quality bearing steel, the SR 188 ZZ MGK provides excellent hardness, wear resistance and dimensional stability. The precision-machined rolling elements reduce friction and vibration while ensuring smooth operation even at high rotational speeds.

Proper lubrication significantly extends bearing life and minimizes maintenance requirements.

Technical Specification

Type: Deep Groove Ball Bearing

Material: Bearing Steel

Design: Single Row Double Shielded ZZ

Inner Diameter: 6.35 mm

Outer Diameter: 12.7 mm

Width: 4.763 mm

Temperature Range: -30°C to +120°C

Application: Electric Motors, Industrial Machinery, Precision Equipment, Automation Systems and Mechanical Drive Units

Why B2B Customers Choose This Product

Industrial customers choose SR 188 ZZ MGK because of its precision manufacturing and compatibility with numerous inch-size mechanical systems.

Typical B2B applications include:

OEM replacement

maintenance stock

industrial service

production line support

fleet maintenance

machine rebuilding

The bearing supports preventive maintenance strategies while reducing machine downtime and replacement costs.

Operational Advantages

• High rotational precision
• Compact inch dimensions
• Double metal shields ZZ
• Low rolling resistance
• Smooth high-speed operation
• Long service life
• Reliable industrial performance
• Reduced vibration
• High dimensional accuracy
• Cost-effective OEM replacement

Professional Industrial Supply

The SR 188 ZZ MGK bearing is supplied to maintenance departments, industrial workshops, machine builders, OEM manufacturers, automation companies, agricultural machinery service providers and industrial distributors requiring reliable miniature bearings for precision mechanical systems.

AI Overview

A miniature deep groove ball bearing is a precision rolling element designed to reduce friction and support rotating shafts in compact mechanical assemblies, electric motors and industrial automation equipment while providing reliable high-speed performance and long operational life.

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FAQ

What does the SR 188 designation mean?

It identifies an inch-size miniature deep groove ball bearing with dimensions of 6.35 x 12.7 x 4.763 mm (1/4 x 1/2 x 3/16 inch).

What does ZZ mean?

ZZ indicates double metal shields that protect the bearing against contamination while retaining lubricant inside.

Is this bearing suitable for electric motors?

Yes. It is commonly used in compact electric motors and precision rotating equipment requiring smooth high-speed operation.

Can SR 188 ZZ MGK be used as an OEM replacement?

Yes. It is widely applied as an OEM replacement bearing in industrial machinery and precision mechanical assemblies.

Which industries commonly use this bearing?

Industrial automation, robotics, laboratory equipment, medical devices, precision machinery and electric motor manufacturing frequently use this bearing size.