Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

Image not available
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
Category
High-Precision Extended Inner Ring Radial Ball Bearings
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

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

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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
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 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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
EZO
EZO
EZO Miniature Ball Bearing: R144, Open, 1/8 in Bore, 1/4 in OD, 0.094 in Wd, Stainless Steel Ring (MPN SR144 A3MC3AF2)
EZO
EZO
This open radial ball bearing features a stainless steel ring and inch dimensions. With a 1/4 in bore, 5/8 in OD, and 0.196 in width, it is suited for applications requiring low friction and precise rotation, such as in small mechanisms and instrumentation
EZO
EZO
EZO Miniature Ball Bearing: R1, Open, 1/16 in Bore, 3/16 in OD, 0.078 in Wd, Stainless Steel Ring (MPN SR1 P6MC3SRL)
EZO Miniature Ball Bearing: R2-6, Open, 1/8 in Bore, 3/8 in OD, 0.109 in Wd, Stainless Steel Ring (MPN SR2-6 A3MC3AF2)
EZO
EZO Miniature Ball Bearing: R2-6, Open, 1/8 in Bore, 3/8 in OD, 0.109 in Wd, Stainless Steel Ring (MPN SR2-6 A3MC3AF2)
EZO
EZO
This inch-system radial ball bearing features a 1/8 in bore, 3/8 in outside diameter, and 0.156 in width. The open design with stainless steel ring is suited for applications requiring low friction and corrosion resistance, such as precision instruments, medical devices, robotics, and small motors
EZO
EZO
EZO Miniature Ball Bearing: 188, Open, 1/4 in Bore, 1/2 in OD, 0.125 in Wd, Stainless Steel Ring (MPN SR188 A3MC3AF2)

More from EZO

View all EZO parts
EZO
EZO
Inch-system radial ball bearing with 1/8 in bore, 3/8 in OD, and 0.141 in width. Double shielded design. Maximum operating temperature 302°F. Suitable for compact rotary motion applications such as small motors and instrumentation
EZO
EZO
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
EZO
EZO
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
EZO
EZO
Inch-system double-shielded radial ball bearing with 3/64 in bore, 5/32 in OD, and 0.094 in width. Extended inner ring design for compact assemblies. Maximum operating temperature 302°F. Suitable for precision instruments, medical devices, and small electric motors requiring high accuracy and contamination protection
EZO
EZO
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)
EZO
EZO
EZO Miniature Ball Bearing: 1810, Dbl Shield, 5/16 in Bore, 1/2 in OD, 0.156 in Wd, 302°F Max Temp (MPN SRW1810ZZA3MC3AF2)
EZO
EZO
EZO Miniature Ball Bearing: R3, Dbl Shield, 3/16 in Bore, 1/2 in OD, 0.196 in Wd, 302°F Max Temp (MPN SRW3ZZA3MC3SRL)
EZO Miniature Ball Bearing: R4, Dbl Shield, 1/4 in Bore, 5/8 in OD, 0.196 in Wd, 302°F Max Temp (MPN SRW4ZZA3MC3SRL)
EZO
EZO Miniature Ball Bearing: R4, Dbl Shield, 1/4 in Bore, 5/8 in OD, 0.196 in Wd, 302°F Max Temp (MPN SRW4ZZA3MC3SRL)