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

TRITAN Miniature Ball Bearing: R4A, Dbl Shield, 1/4 in Bore, 3/4 in OD, 0.281 in Wd - General Purpose Radial Ball Bearings
TRITANGeneral Purpose Radial Ball Bearings

TRITAN Miniature Ball Bearing: R4A, Dbl Shield, 1/4 in Bore, 3/4 in OD, 0.281 in Wd

The TRITAN R4A is an inch-system general purpose radial ball bearing designed for oily/greasy environments. This miniature bearing features a 1/4 in bore, 3/4 in OD, and 0.281 in width, with double shields and a…

SKU 3G-OTH-99460

Brand
TRITAN
Item
Miniature Ball Bearing: R4A, Dbl Shield, 1/4 in Bore, 3/4 in OD, 0.281 in Wd
Category
General Purpose Radial Ball Bearings
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
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

Technical Specifications

TRITAN
Manufacturer Part Number
R4A ZZ PRX
Type
Dbl Shield
Bore
1/4 in
OD
3/4 in
Wd
0.281 in
Max Temp
302°F
For Environment
Oily/Greasy
System of Measurement
Inch
Bearing Industry Number
R4A
View Full Spec Sheet

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

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

Product Description

The TRITAN R4A is an inch-system general purpose radial ball bearing designed for oily/greasy environments. This miniature bearing features a 1/4 in bore, 3/4 in OD, and 0.281 in width, with double shields and a maximum operating temperature of 302°F. The manufacturer part number is R4A ZZ PRX, corresponding to bearing industry number R4A.

Frequently Asked Questions

What is the TRITAN R4A miniature ball bearing used for?

The TRITAN R4A is a general purpose radial ball bearing designed for oily or greasy environments. It is commonly used in light-duty industrial equipment, conveyors, and small motors where a compact inch-system bearing with double shields is needed to retain lubrication and exclude contaminants.

What are the specifications of the TRITAN R4A bearing?

The TRITAN R4A is an inch-system miniature ball bearing with a 1/4 in bore, 3/4 in OD, and 0.281 in width. It features double shields, a maximum operating temperature of 302°F, and is rated for oily/greasy environments. The bearing industry number is R4A, and the manufacturer part number is R4A ZZ PRX.

Where to buy TRITAN R4A bearings worldwide?

3G Electric supplies the TRITAN R4A miniature ball bearing worldwide. As a global industrial equipment distributor established in 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this bearing.

How to select the right TRITAN R4A bearing for an application?

To select the TRITAN R4A, verify that your application requires an inch-system bearing with a 1/4 in bore and 3/4 in OD. Ensure the operating temperature stays below 302°F and that the environment is oily or greasy. The double shields suit applications where lubrication retention and contamination exclusion are needed.

Used in

Common applications for TRITAN
Poultry processing conveyors — TRITAN food-grade radial ball bearings (SS3829 2RS FM222) with double contact seals
Material handling systems — TRITAN spherical insert bearings (SB205-16G) with set screw locking for shaft mounting
High-temperature oven rollers — TRITAN miniature ball bearings (SSRI814 ZZ SRL) rated to 302°F
Self-lubricating pivot joints — TRITAN spherical plain bearings (GE 30TE 2RS) with PTFE sliding surface
Flange-mounted conveyor idlers — TRITAN 4-bolt flange bearings (UCF210-31) in cast iron housings
Chain drive repairs — TRITAN offset links (40-1R OSL) for ANSI #40 roller chains

TRITAN Products

3G Electric supplies TRITAN general purpose 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

Similar products

Matched by specification & description
TRITAN Miniature Ball Bearing: R2A, Dbl Shield, 1/8 in Bore, 1/2 in OD, 0.172 in Wd, 302°F Max Temp (MPN R2A ZZ PRX). Key specifications — System of Measurement: Inch; Bearing Industry Number: R2A; For Environment: Oily/Greasy.
TRITAN
TRITAN Miniature Ball Bearing: R2A, Dbl Shield, 1/8 in Bore, 1/2 in OD, 0.172 in Wd, 302°F Max Temp (MPN R2A ZZ PRX). Key specifications — System of Measurement: Inch; Bearing Industry Number: R2A; For Environment: Oily/Greasy.
TRITAN Miniature Ball Bearing: R4A, Dbl Sealed, Contact Seal, 1/4 in Bore, 3/4 in OD, 0.281 in Wd (MPN R4A 2RS PRX). Key specifications — System of Measurement: Inch; Bearing Industry Number: R4A; For Environment: Oily/Greasy.
TRITAN
TRITAN Miniature Ball Bearing: R4A, Dbl Sealed, Contact Seal, 1/4 in Bore, 3/4 in OD, 0.281 in Wd (MPN R4A 2RS PRX). Key specifications — System of Measurement: Inch; Bearing Industry Number: R4A; For Environment: Oily/Greasy.
TRITAN Miniature Ball Bearing: R4A, Dbl Shield, 1/4 in Bore, 3/4 in OD, 0.281 in Wd, 302°F Max Temp (MPN SSR4A ZZ FM222). Key specifications — System of Measurement: Inch; Bearing Industry Number: R4A; For Environment: Oily/Greasy.
TRITAN
TRITAN Miniature Ball Bearing: R4A, Dbl Shield, 1/4 in Bore, 3/4 in OD, 0.281 in Wd, 302°F Max Temp (MPN SSR4A ZZ FM222). Key specifications — System of Measurement: Inch; Bearing Industry Number: R4A; For Environment: Oily/Greasy.
TRITAN Miniature Ball Bearing: 188, Dbl Shield, 1/4 in Bore, 1/2 in OD, 0.188 in Wd, 302°F Max Temp (MPN RI814 ZZ PRX). Key specifications — System of Measurement: Inch; Bearing Industry Number: 188; For Environment: Pharmaceutical.
TRITAN
TRITAN Miniature Ball Bearing: 188, Dbl Shield, 1/4 in Bore, 1/2 in OD, 0.188 in Wd, 302°F Max Temp (MPN RI814 ZZ PRX). Key specifications — System of Measurement: Inch; Bearing Industry Number: 188; For Environment: Pharmaceutical.
TRITAN Miniature Ball Bearing: R4, 1/4 in Bore, 0.69 in Flange Dia, Dbl Shield, 5/8 in OD (MPN FR4 ZZ PRX). Key specifications — Bearing Industry Number: R4; Brand: TRITAN.
TRITAN
TRITAN Miniature Ball Bearing: R4, 1/4 in Bore, 0.69 in Flange Dia, Dbl Shield, 5/8 in OD (MPN FR4 ZZ PRX). Key specifications — Bearing Industry Number: R4; Brand: TRITAN.
TRITAN Miniature Ball Bearing: R2-5, Dbl Shield, 1/8 in Bore, 5/16 in OD, 0.141 in Wd (MPN SSRI518 ZZ SRL). Key specifications — System of Measurement: Inch; Bearing Industry Number: R2-5.
TRITAN
TRITAN Miniature Ball Bearing: R2-5, Dbl Shield, 1/8 in Bore, 5/16 in OD, 0.141 in Wd (MPN SSRI518 ZZ SRL). Key specifications — System of Measurement: Inch; Bearing Industry Number: R2-5.

More from TRITAN

View all TRITAN parts
TRITAN Radial Ball Bearing: R14, Dbl Sealed, Contact Seal, 7/8 in Bore, 1 7/8 in OD, 0.5 in Wd (MPN R14 2RS PRX). Key specifications — System of Measurement: Inch; Bearing Industry Number: R14; For Environment: Oily/Greasy.
TRITAN
TRITAN Radial Ball Bearing: R14, Dbl Sealed, Contact Seal, 7/8 in Bore, 1 7/8 in OD, 0.5 in Wd (MPN R14 2RS PRX). Key specifications — System of Measurement: Inch; Bearing Industry Number: R14; For Environment: Oily/Greasy.
TRITAN Radial Ball Bearing: 1638, Dbl Sealed, Contact Seal, 3/4 in Bore, 2 in OD, 0.563 in Wd (MPN 3850 2RS PRX). Key specifications — System of Measurement: Inch; Bearing Industry Number: 1638; For Environment: Oily/Greasy.
TRITAN
TRITAN Radial Ball Bearing: 1638, Dbl Sealed, Contact Seal, 3/4 in Bore, 2 in OD, 0.563 in Wd (MPN 3850 2RS PRX). Key specifications — System of Measurement: Inch; Bearing Industry Number: 1638; For Environment: Oily/Greasy.
TRITAN Radial Ball Bearing: R18, Dbl Shield, 1 1/8 in Bore, 2 1/8 in OD, 0.5 in Wd, Alloy Steel Ring (MPN R18 ZZ PRX). Key specifications — System of Measurement: Inch; Bearing Industry Number: R18; For Environment: Oily/Greasy.
TRITAN
TRITAN Radial Ball Bearing: R18, Dbl Shield, 1 1/8 in Bore, 2 1/8 in OD, 0.5 in Wd, Alloy Steel Ring (MPN R18 ZZ PRX). Key specifications — System of Measurement: Inch; Bearing Industry Number: R18; For Environment: Oily/Greasy.
TRITAN Radial Ball Bearing: 1615, Dbl Sealed, Contact Seal, 7/16 in Bore, 1 1/8 in OD, 0.375 in Wd (MPN 3837 2RS PRX). Key specifications — System of Measurement: Inch; Bearing Industry Number: 1615; For Environment: Oily/Greasy.
TRITAN
TRITAN Radial Ball Bearing: 1615, Dbl Sealed, Contact Seal, 7/16 in Bore, 1 1/8 in OD, 0.375 in Wd (MPN 3837 2RS PRX). Key specifications — System of Measurement: Inch; Bearing Industry Number: 1615; For Environment: Oily/Greasy.
TRITAN Radial Ball Bearing: 1633, Dbl Shield, 5/8 in Bore, 1 3/4 in OD, 0.5 in Wd, Alloy Steel Ring (MPN 3855 ZZ PRX). Key specifications — System of Measurement: Inch; Bearing Industry Number: 1633; For Environment: Oily/Greasy.
TRITAN
TRITAN Radial Ball Bearing: 1633, Dbl Shield, 5/8 in Bore, 1 3/4 in OD, 0.5 in Wd, Alloy Steel Ring (MPN 3855 ZZ PRX). Key specifications — System of Measurement: Inch; Bearing Industry Number: 1633; For Environment: Oily/Greasy.
TRITAN Radial Ball Bearing: 1633, Dbl Sealed, Contact Seal, 5/8 in Bore, 1 3/4 in OD, 0.5 in Wd (MPN 3855 2RS PRX). Key specifications — System of Measurement: Inch; Bearing Industry Number: 1633; For Environment: Oily/Greasy.
TRITAN
TRITAN Radial Ball Bearing: 1633, Dbl Sealed, Contact Seal, 5/8 in Bore, 1 3/4 in OD, 0.5 in Wd (MPN 3855 2RS PRX). Key specifications — System of Measurement: Inch; Bearing Industry Number: 1633; For Environment: Oily/Greasy.
TRITAN Radial Ball Bearing: 1658, Dbl Sealed, Contact Seal, 1 5/16 in Bore, 2 9/16 in OD (MPN 3870 2RS PRX). Key specifications — System of Measurement: Inch; Bearing Industry Number: 1658; For Environment: Oily/Greasy.
TRITAN
TRITAN Radial Ball Bearing: 1658, Dbl Sealed, Contact Seal, 1 5/16 in Bore, 2 9/16 in OD (MPN 3870 2RS PRX). Key specifications — System of Measurement: Inch; Bearing Industry Number: 1658; For Environment: Oily/Greasy.
TRITAN Radial Ball Bearing: R16, Dbl Shield, 1 in Bore, 2 in OD, 0.5 in Wd, Alloy Steel Ring (MPN R16 ZZ PRX). Key specifications — System of Measurement: Inch; Bearing Industry Number: R16; For Environment: Oily/Greasy.
TRITAN
TRITAN Radial Ball Bearing: R16, Dbl Shield, 1 in Bore, 2 in OD, 0.5 in Wd, Alloy Steel Ring (MPN R16 ZZ PRX). Key specifications — System of Measurement: Inch; Bearing Industry Number: R16; For Environment: Oily/Greasy.