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EZOHigh-Precision Radial Ball Bearings

EZO Miniature Ball Bearing: R166, Open, 3/16 in Bore, 3/8 in OD, 0.125 in Wd

The EZO Miniature Ball Bearing R166 is a high-precision radial ball bearing with an inch system of measurement. It features a 3/16 in bore, 3/8 in OD, and 0.125 in width, with an open design and stainless steel ring…

SKU 3G-OTH-105079

Brand
EZO
Item
Miniature Ball Bearing: R166, Open, 3/16 in Bore, 3/8 in OD, 0.125 in Wd
Category
High-Precision Radial Ball Bearings
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Technical Specifications

EZO
Manufacturer Part Number
SR166 A3MC3AF2
Type
Open, Stainless Steel Ring
Bore
3/16 in
OD
3/8 in
Wd
0.125 in
System of Measurement
Inch
Bearing Industry Number
R166
View Full Spec Sheet

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EZO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The EZO Miniature Ball Bearing R166 is a high-precision radial ball bearing with an inch system of measurement. It features a 3/16 in bore, 3/8 in OD, and 0.125 in width, with an open design and stainless steel ring. The bearing industry number is R166, and the manufacturer part number is SR166 A3MC3AF2.

Frequently Asked Questions

What is the EZO R166 miniature ball bearing used for?

The EZO R166 miniature ball bearing is used in precision instruments, medical devices, robotics, and small electric motors where low friction and high accuracy are required. Its stainless steel construction resists corrosion, making it suitable for clean-room and light-industrial environments.

What are the specifications of the EZO R166 bearing?

The EZO R166 is an inch-system radial ball bearing with a 3/16 in bore, 3/8 in OD, and 0.125 in width. It has an open design, stainless steel ring, and bearing industry number R166. The manufacturer part number is SR166 A3MC3AF2.

Where to buy the EZO R166 bearing worldwide?

3G Electric supplies the EZO R166 miniature ball bearing worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to select the correct EZO R166 bearing for an application?

To select the correct EZO R166 bearing, verify the shaft diameter (3/16 in bore), housing bore (3/8 in OD), and width (0.125 in). Confirm the load rating and speed requirements from the EZO catalog. For sealed or shielded variants, consult the manufacturer's specifications.

Used in

Common applications for EZO
Medical instruments — EZO stainless steel miniature ball bearings (e.g., 692XHZZP6MC3AF2) in dental handpieces and surgical tools
Precision encoders — EZO flanged bearings (e.g., F685HZZP6MC3SRL) for optical encoder shafts requiring axial location
Small electric motors — EZO radial ball bearings (e.g., 686HZZP6MC3SRL) in miniature DC motors and servo actuators
Instrumentation — EZO high-clearance bearings (e.g., SFR2-5 A3MC3AF2) in flow meters and pressure sensors
Robotics — EZO inch-series bearings (e.g., SR188ZZA3MC3SRL) in compact joint modules and end-effectors
Aerospace actuators — EZO corrosion-resistant bearings (e.g., SFR166ZZA3MC3AF2) in control surface linkages

EZO Products

3G Electric supplies EZO high-precision radial ball bearings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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