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EZOHigh-Precision Radial Ball Bearings

EZO Miniature Ball Bearing: R4A, Dbl Sealed, Contact Seal, 1/4 in Bore, 3/4 in OD

The EZO R4A is a high-precision radial ball bearing in the inch system, featuring a 1/4-inch bore, 3/4-inch outer diameter, and 0.281-inch width. It is a double-sealed, contact-seal bearing with manufacturer part…

SKU 3G-OTH-103101

Also listed as: R4A2RSA3MC3SRL · R4A 2RSA3MC3SRL

Brand
EZO
Item
Miniature Ball Bearing: R4A, Dbl Sealed, Contact Seal, 1/4 in Bore, 3/4 in OD
Category
High-Precision Radial Ball Bearings
Available to Order
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Worldwide Shipping
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

EZO
Manufacturer Part Number
R4A-2RSA3MC3SRL
Type
Dbl Sealed, Contact Seal
Bore
1/4 in
OD
3/4 in
Wd
0.281 in
System of Measurement
Inch
Bearing Industry Number
R4A

Technical Documents

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

Product Description

The EZO R4A is a high-precision radial ball bearing in the inch system, featuring a 1/4-inch bore, 3/4-inch outer diameter, and 0.281-inch width. It is a double-sealed, contact-seal bearing with manufacturer part number R4A-2RSA3MC3SRL and bearing industry number R4A.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the EZO R4A miniature ball bearing used for?

The EZO R4A is a high-precision radial ball bearing designed for applications requiring low friction and high accuracy in a compact inch-dimension package. It is commonly used in small motors, instrumentation, medical devices, and precision machinery where reliable operation under moderate loads is needed.

What are the specifications of the EZO R4A bearing?

The EZO R4A bearing has a 1/4-inch bore, 3/4-inch outer diameter, and 0.281-inch width. It is a double-sealed, contact-seal type in the inch system, with bearing industry number R4A and manufacturer part number R4A-2RSA3MC3SRL. EZO is the OEM brand for this high-precision radial ball bearing.

Where to buy the EZO R4A bearing worldwide?

3G Electric supplies the EZO R4A bearing worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this high-precision bearing to meet your procurement needs.

How to select the correct EZO R4A bearing for an application?

To select the correct EZO R4A bearing, verify that your application requires a 1/4-inch bore, 3/4-inch OD, and 0.281-inch width. The double-sealed contact seal provides protection against contaminants. Ensure the inch system matches your shaft and housing dimensions. For load and speed requirements, consult EZO's technical documentation.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
EZO Miniature Ball Bearing: R4A, Dbl Shield, 1/4 in Bore, 3/4 in OD, 0.281 in Wd, Alloy Steel Ring (MPN R4AZZA3MC3SRL)
EZO
EZO Miniature Ball Bearing: R4A, Dbl Shield, 1/4 in Bore, 3/4 in OD, 0.281 in Wd, Alloy Steel Ring (MPN R4AZZA3MC3SRL)
EZO Miniature Ball Bearing: R4, Dbl Shield, 1/4 in Bore, 5/8 in OD, 0.196 in Wd, Alloy Steel Ring (MPN R4ZZA3MC3SRL)
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EZO Miniature Ball Bearing: R4, Dbl Shield, 1/4 in Bore, 5/8 in OD, 0.196 in Wd, Alloy Steel Ring (MPN R4ZZA3MC3SRL)
EZO Miniature Ball Bearing: R6, Dbl Sealed, Contact Seal, 3/8 in Bore, 7/8 in OD, 0.219 in Wd (MPN R6-2RSA3MC3SRL)
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EZO Miniature Ball Bearing: R6, Dbl Sealed, Contact Seal, 3/8 in Bore, 7/8 in OD, 0.219 in Wd (MPN R6-2RSA3MC3SRL)
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EZO Miniature Ball Bearing: 624, Dbl Sealed, Contact Seal, 4 mm Bore, 13 mm OD, 5 mm Wd (MPN 624-2RSP6MC3SRL)
EZO Miniature Ball Bearing: R6, Dbl Shield, 3/8 in Bore, 7/8 in OD, 0.281 in Wd, Alloy Steel Ring (MPN R6ZZA3MC3SRL)
EZO
EZO Miniature Ball Bearing: R6, Dbl Shield, 3/8 in Bore, 7/8 in OD, 0.281 in Wd, Alloy Steel Ring (MPN R6ZZA3MC3SRL)
EZO Miniature Ball Bearing: 63800, Dbl Sealed, Contact Seal, 10 mm Bore, 19 mm OD, 7 mm Wd (MPN 63800-2RSP6MC3SRL)
EZO
EZO Miniature Ball Bearing: 63800, Dbl Sealed, Contact Seal, 10 mm Bore, 19 mm OD, 7 mm Wd (MPN 63800-2RSP6MC3SRL)

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