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EZOHigh-Precision Radial Ball Bearings

EZO Miniature Ball Bearing: R155, Dbl Shield, 5/32 in Bore, 5/16 in OD, 0.125 in Wd

The EZO R155 is a high-precision radial ball bearing, part of the EZO miniature ball bearing line. This inch-system bearing features a 5/32-inch bore, 5/16-inch outer diameter, and 0.125-inch width, with double…

SKU 3G-OTH-102267

Brand
EZO
Item
Miniature Ball Bearing: R155, Dbl Shield, 5/32 in Bore, 5/16 in OD, 0.125 in Wd
Category
High-Precision Radial Ball Bearings
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Technical Specifications

EZO
Manufacturer Part Number
SR155ZZA3MC3SRL
Type
Dbl Shield
Bore
5/32 in
OD
5/16 in
Wd
0.125 in
Max Temp
302°F
System of Measurement
Inch
Bearing Industry Number
R155
View Full Spec Sheet

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

Product Description

The EZO R155 is a high-precision radial ball bearing, part of the EZO miniature ball bearing line. This inch-system bearing features a 5/32-inch bore, 5/16-inch outer diameter, and 0.125-inch width, with double shields and a maximum operating temperature of 302°F. It is identified by the manufacturer part number SR155ZZA3MC3SRL and the bearing industry number R155.

Frequently Asked Questions

What is the EZO R155 miniature ball bearing used for?

The EZO R155 is a high-precision radial ball bearing designed for applications requiring compact size and low friction, such as in instrumentation, medical devices, and small electric motors. Its double shields protect against contamination, making it suitable for clean, high-speed environments.

What are the specifications of the EZO R155 bearing?

The EZO R155 bearing has a 5/32-inch bore, 5/16-inch outer diameter, and 0.125-inch width. It features double shields, a maximum operating temperature of 302°F, and is an inch-system bearing with industry number R155. The manufacturer part number is SR155ZZA3MC3SRL.

Where to buy the EZO R155 bearing worldwide?

3G Electric supplies the EZO R155 bearing worldwide, handling full logistics and customs clearance for global delivery. As a sourcing specialist across 14 industrial departments, we provide genuine EZO miniature ball bearings to meet your precision requirements.

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

To select the correct EZO miniature ball bearing, match the bore, outer diameter, and width to your housing and shaft dimensions. Consider load, speed, and temperature—the R155 handles up to 302°F. Double shields suit clean environments; for debris, consult a shielded or sealed variant.

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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