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EZOHigh-Precision Extended Inner Ring Radial Ball Bearings

EZO Miniature Ball Bearing: R144, Open, 1/8 in Bore, 1/4 in OD, 0.109 in Wd

The EZO R144 is a high-precision extended inner ring radial ball bearing, an inch-system miniature bearing with a 1/8 in bore, 1/4 in OD, and 0.109 in width. It features an open design and a stainless steel ring…

SKU 3G-OTH-98743

Also listed as: SRW144A3MC3AF2 · SRW144-A3MC3AF2

Brand
EZO
Item
Miniature Ball Bearing: R144, Open, 1/8 in Bore, 1/4 in OD, 0.109 in Wd
Part Number
SRW144 A3MC3AF2
Category
High-Precision Extended Inner Ring Radial Ball Bearings
Available to Order
Also known as:SRW144 A3MC3AF2EZO
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

EZO
Manufacturer Part Number
SRW144 A3MC3AF2
Type
Open, Stainless Steel Ring
Bore
1/8 in
OD
1/4 in
Wd
0.109 in
System of Measurement
Inch
Bearing Industry Number
R144

Technical Documents

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

Product Description

The EZO R144 is a high-precision extended inner ring radial ball bearing, an inch-system miniature bearing with a 1/8 in bore, 1/4 in OD, and 0.109 in width. It features an open design and a stainless steel ring, identified by bearing industry number R144 and manufacturer part number SRW144 A3MC3AF2.

Frequently Asked Questions

What is the EZO R144 miniature ball bearing used for?

The EZO R144 is a high-precision extended inner ring radial ball bearing used in miniature mechanisms such as dental handpieces, small motors, and precision instruments. Its stainless steel ring resists corrosion, making it suitable for medical and laboratory equipment.

What are the specifications of the EZO R144 bearing?

The EZO R144 is an inch-system miniature bearing with a 1/8 in bore, 1/4 in OD, and 0.109 in width. It has an open design, stainless steel ring, and bearing industry number R144. The manufacturer part number is SRW144 A3MC3AF2.

Where to buy the EZO R144 bearing worldwide?

3G Electric supplies the EZO R144 bearing worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this high-precision miniature ball bearing to your facility. Contact us for availability and lead time.

How to select the right EZO miniature ball bearing for an application?

To select the correct EZO miniature ball bearing, match the bore, OD, and width to your housing and shaft dimensions. Consider load ratings, speed requirements, and environmental factors like moisture or chemicals. The R144's stainless steel ring offers corrosion resistance for demanding applications.

Used in

Common applications for EZO
Small electric motors — EZO R144 and R155 flanged miniature bearings for rotor support in compact motor housings.
Precision instruments — EZO R166 and R2-6 oil-lubricated bearings for low-torque rotary movement in measuring devices.
Medical and laboratory equipment — EZO 188 and 1810 double-shielded bearings for small pumps, agitators, and sample handling mechanisms.
Optical and encoder assemblies — EZO R1 and R2-5 miniature bearings for precise angular positioning in limited space.
Industrial encoders and tachometers — EZO extended inner ring flanged bearings for shaft mounting where axial location is required.
Aerospace and defense instrumentation — EZO miniature ball bearings in inch dimensions for compact control and guidance subassemblies.
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EZO Products

3G Electric supplies EZO high-precision extended inner ring 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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EZO Miniature Ball Bearing: R155, Dbl Shield, 5/32 in Bore, 5/16 in OD, 0.125 in Wd, 302°F Max Temp (MPN SRW155ZZA3MC3AF2)
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Inch-system miniature radial ball bearing with 1/16 in bore, 3/16 in OD, and 0.109 in width. Double shielded for contamination resistance, rated for 302°F max temperature. Suitable for precision instruments, small motors, and medical devices requiring compact size and accuracy
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Inch-system miniature ball bearing with 1/8 in bore, 5/16 in OD, and 0.141 in width. Double shielded design for contamination resistance. Suitable for compact mechanisms such as small motors, instrumentation, and precision machinery. Maximum operating temperature 302°F
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Inch-system radial ball bearing with 5/64 in bore, 3/16 in OD, and 0.094 in width. Double-shielded design protects against contaminants; maximum operating temperature 302°F. Suitable for compact mechanisms requiring low friction and high precision, such as small motors and instrumentation
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EZO Miniature Ball Bearing: R166, Dbl Shield, 3/16 in Bore, 3/8 in OD, 0.125 in Wd, 302°F Max Temp (MPN SRW166ZZA3MC3SRL)
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Inch-system radial ball bearing with double shield, 3/16 in bore, 1/2 in OD, 0.196 in width. Extended inner ring design for shaft positioning. Max operating temperature 302°F. Used in precision instruments, small motors, and light-duty industrial equipment

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