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

3G Electric
RFQ CartGet a QuoteSign inSign up
Image not available
EZOExtended Inner Ring Flanged Ball Bearings

EZO Miniature Ball Bearing: R155, 5/32 in Bore, 0.359 in Flange Dia, Dbl Shield

The EZO R155 is a miniature extended inner ring flanged ball bearing, identified by Bearing Industry Number R155 and manufacturer part number SFRW155ZZA3MC3SRL. It features a 5/32 in bore, 5/16 in OD, and 0.359 in…

SKU 3G-OTH-102516

Brand
EZO
Item
Miniature Ball Bearing: R155, 5/32 in Bore, 0.359 in Flange Dia, Dbl Shield
Category
Extended Inner Ring Flanged 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

EZO
Manufacturer Part Number
SFRW155ZZA3MC3SRL
Type
Dbl Shield, Grease
Bore
5/32 in
OD
5/16 in
Flange Dia
0.359 in
Bearing Industry Number
R155
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

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

Product Description

The EZO R155 is a miniature extended inner ring flanged ball bearing, identified by Bearing Industry Number R155 and manufacturer part number SFRW155ZZA3MC3SRL. It features a 5/32 in bore, 5/16 in OD, and 0.359 in flange diameter, with double shields and grease lubrication.

Frequently Asked Questions

What is the EZO R155 miniature ball bearing used for?

The EZO R155 is a miniature extended inner ring flanged ball bearing designed for applications requiring compact, high-precision rotary motion. It is commonly used in small motors, instrumentation, medical devices, and robotics where space is limited and reliable performance is needed.

What are the specifications of the EZO R155 bearing?

The EZO R155 bearing has a 5/32 in bore, 5/16 in OD, and 0.359 in flange diameter. It features double shields and grease lubrication. The bearing industry number is R155, and the manufacturer part number is SFRW155ZZA3MC3SRL.

Where to buy the EZO R155 bearing worldwide?

3G Electric supplies the EZO R155 miniature ball bearing worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this bearing for your application.

How to select the correct EZO R155 bearing for an application?

To select the correct EZO R155 bearing, verify the bore size (5/32 in), OD (5/16 in), and flange diameter (0.359 in) match your housing and shaft dimensions. Confirm the double-shield, grease-lubricated type suits your speed and environmental requirements. Consult EZO's catalog for load ratings.

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 extended inner ring flanged 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
EZO Miniature Ball Bearing: R144, 1/8 in Bore, 0.296 in Flange Dia, Dbl Shield, 1/4 in OD, Grease (MPN SFRW144ZZA3MC3SRL). Key specifications — Bearing Industry Number: R144; Brand: EZO.
EZO
EZO Miniature Ball Bearing: R144, 1/8 in Bore, 0.296 in Flange Dia, Dbl Shield, 1/4 in OD, Grease (MPN SFRW144ZZA3MC3SRL). Key specifications — Bearing Industry Number: R144; Brand: EZO.
EZO
EZO
EZO Miniature Ball Bearing: R133, 5/64 in Bore, 0.234 in Flange Dia, Dbl Shield, 3/16 in OD, Oil (MPN SFRW133ZZSA3MC3AF2). Key specifications — Bearing Industry Number: R133; Brand: EZO.
EZO
EZO
EZO Miniature Ball Bearing: 188, 1/4 in Bore, 0.547 in Flange Dia, Dbl Shield, 1/2 in OD, Oil (MPN SFRW188ZZA3MC3AF2). Key specifications — Bearing Industry Number: 188; Brand: EZO.
EZO
EZO
EZO Miniature Ball Bearing: 168, 1/4 in Bore, 0.422 in Flange Dia, Dbl Shield, 3/8 in OD, Oil (MPN SFRW168ZZSA3MC3AF2). Key specifications — Bearing Industry Number: 168; Brand: EZO.

More from EZO

View all EZO parts →
EZO Miniature Ball Bearing: 1810, 5/16 in Bore, 0.547 in Flange Dia, Dbl Shield, 1/2 in OD, Grease (MPN SFRW1810ZZA3MC3SRL). Key specifications — Bearing Industry Number: 1810; Brand: EZO.
EZO
EZO Miniature Ball Bearing: 1810, 5/16 in Bore, 0.547 in Flange Dia, Dbl Shield, 1/2 in OD, Grease (MPN SFRW1810ZZA3MC3SRL). Key specifications — Bearing Industry Number: 1810; Brand: EZO.
EZO
EZO
EZO Miniature Ball Bearing: R1, 1/16 in Bore, 0.234 in Flange Dia, Dbl Shield, 3/16 in OD, Oil (MPN SFRW1ZZA3MC3AF2). Key specifications — Bearing Industry Number: R1; Brand: EZO.
EZO
EZO
EZO Miniature Ball Bearing: R166, 3/16 in Bore, 0.422 in Flange Dia, Dbl Shield, 3/8 in OD, Oil (MPN SFRW166ZZA3MC3AF2). Key specifications — Bearing Industry Number: R166; Brand: EZO.
EZO
EZO
EZO Miniature Ball Bearing: R156, 3/16 in Bore, 0.359 in Flange Dia, Dbl Shield, 5/16 in OD, Grease (MPN SFRW156ZZA3MC3SRL). Key specifications — Bearing Industry Number: R156; Brand: EZO.
EZO
EZO
EZO Miniature Ball Bearing: R2-5, 1/8 in Bore, 0.359 in Flange Dia, Dbl Shield, 5/16 in OD, Oil (MPN SFRW2-5ZZA3MC3AF2). Key specifications — Bearing Industry Number: R2-5; Brand: EZO.
EZO Miniature Ball Bearing: R4, 1/4 in Bore, 0.69 in Flange Dia, Dbl Shield, 5/8 in OD, Grease (MPN SFRW4ZZA3MC3SRL). Key specifications — Bearing Industry Number: R4; Brand: EZO.
EZO
EZO Miniature Ball Bearing: R4, 1/4 in Bore, 0.69 in Flange Dia, Dbl Shield, 5/8 in OD, Grease (MPN SFRW4ZZA3MC3SRL). Key specifications — Bearing Industry Number: R4; Brand: EZO.
EZO
EZO
EZO Miniature Ball Bearing: R2, 1/8 in Bore, 0.44 in Flange Dia, Dbl Shield, 3/8 in OD, Oil (MPN SFRW2ZZA3MC3AF2). Key specifications — Bearing Industry Number: R2; Brand: EZO.
EZO
EZO
EZO Miniature Ball Bearing: R2-6, 1/8 in Bore, 0.422 in Flange Dia, Dbl Shield, 3/8 in OD, Oil (MPN SFRW2-6ZZA3MC3AF2). Key specifications — Bearing Industry Number: R2-6; Brand: EZO.