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
EZOHigh-Precision Radial Ball Bearings

EZO Miniature Ball Bearing: MR128, Dbl Shield, 8 mm Bore, 12 mm OD, 3.5 mm Wd

The EZO MR128 is a high-precision radial ball bearing, part of the EZO miniature ball bearing line. This double-shielded bearing features an 8 mm bore, 12 mm OD, and 3.5 mm width, with a stainless steel ring. It is a…

SKU 3G-OTH-103271

Brand
EZO
Item
Miniature Ball Bearing: MR128, Dbl Shield, 8 mm Bore, 12 mm OD, 3.5 mm Wd
Category
High-Precision 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

EZO
Manufacturer Part Number
SMR128ZZP6MC3SRL
Type
Dbl Shield, Stainless Steel Ring
Bore
8 mm
OD
12 mm
Wd
3.5 mm
System of Measurement
Metric
Bearing Industry Number
MR128
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 MR128 is a high-precision radial ball bearing, part of the EZO miniature ball bearing line. This double-shielded bearing features an 8 mm bore, 12 mm OD, and 3.5 mm width, with a stainless steel ring. It is a metric component identified by bearing industry number MR128 and manufacturer part number SMR128ZZP6MC3SRL.

Frequently Asked Questions

What is the EZO MR128 miniature ball bearing used for?

The EZO MR128 is a high-precision radial ball bearing designed for applications requiring low friction and compact size, such as in robotics, medical devices, instrumentation, and small electric motors. Its double-shielded stainless steel construction resists corrosion and contamination in demanding environments.

What are the specifications of the EZO MR128 bearing?

The EZO MR128 is a metric miniature ball bearing with an 8 mm bore, 12 mm OD, and 3.5 mm width. It features double shields and a stainless steel ring. The bearing industry number is MR128, and the manufacturer part number is SMR128ZZP6MC3SRL.

Where to buy the EZO MR128 bearing worldwide?

3G Electric supplies the EZO MR128 bearing to customers worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this high-precision component to your facility. Contact us for a quote and lead time on your order.

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

Selecting the correct EZO miniature bearing requires matching bore, OD, and width to your housing and shaft dimensions. Consider load ratings, speed requirements, and environmental factors like moisture or debris. The MR128's double-shielded stainless steel design suits clean, corrosion-sensitive applications. Consult EZO's technical data for precise fit.

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
EZO Miniature Ball Bearing: MR148, Dbl Shield, 8 mm Bore, 14 mm OD, 4 mm Wd, Stainless Steel Ring (MPN SMR148ZZP6MC3SRL). Key specifications — System of Measurement: Metric; Bearing Industry Number: MR148.
EZO
EZO Miniature Ball Bearing: MR148, Dbl Shield, 8 mm Bore, 14 mm OD, 4 mm Wd, Stainless Steel Ring (MPN SMR148ZZP6MC3SRL). Key specifications — System of Measurement: Metric; Bearing Industry Number: MR148.
EZO
EZO
EZO Miniature Ball Bearing: MR126, Dbl Shield, 6 mm Bore, 12 mm OD, 4 mm Wd, Stainless Steel Ring (MPN SMR126ZZP6MC3SRL). Key specifications — System of Measurement: Metric; Bearing Industry Number: MR126.
EZO Miniature Ball Bearing: MR85, Dbl Shield, 5 mm Bore, 8 mm OD, 2.5 mm Wd, Stainless Steel Ring (MPN SMR85ZZP5MC3AF2). Key specifications — System of Measurement: Metric; Bearing Industry Number: MR85.
EZO
EZO Miniature Ball Bearing: MR85, Dbl Shield, 5 mm Bore, 8 mm OD, 2.5 mm Wd, Stainless Steel Ring (MPN SMR85ZZP5MC3AF2). Key specifications — System of Measurement: Metric; Bearing Industry Number: MR85.
EZO
EZO
EZO Miniature Ball Bearing: MR137, Dbl Shield, 7 mm Bore, 13 mm OD, 4 mm Wd, Stainless Steel Ring (MPN SMR137ZZP6MC3SRL). Key specifications — System of Measurement: Metric; Bearing Industry Number: MR137.
EZO
EZO
EZO Miniature Ball Bearing: MR84, Dbl Shield, 4 mm Bore, 8 mm OD, 3 mm Wd, Stainless Steel Ring (MPN SMR84ZZP6MC3AF2). Key specifications — System of Measurement: Metric; Bearing Industry Number: MR84.
EZO
EZO
EZO Miniature Ball Bearing: MR95, Dbl Shield, 5 mm Bore, 9 mm OD, 3 mm Wd, Stainless Steel Ring (MPN SMR95ZZP6MC3SRL). Key specifications — System of Measurement: Metric; Bearing Industry Number: MR95.

More from EZO

View all EZO parts →
EZO
EZO
EZO Miniature Ball Bearing: MR93, Dbl Shield, 3 mm Bore, 9 mm OD, 4 mm Wd, Stainless Steel Ring (MPN SMR93ZZP6MC3SRL). Key specifications — System of Measurement: Metric; Bearing Industry Number: MR93.
EZO
EZO
EZO Miniature Ball Bearing: R0, Open, 3/64 in Bore, 5/32 in OD, 0.063 in Wd, Stainless Steel Ring (MPN SR0A3MC3AF2). Key specifications — System of Measurement: Inch; Bearing Industry Number: R0.
EZO
EZO
EZO Miniature Ball Bearing: R3, Open, 3/16 in Bore, 1/2 in OD, 0.156 in Wd, Stainless Steel Ring (MPN SR3 A3MC3AF2). Key specifications — System of Measurement: Inch; Bearing Industry Number: R3.
EZO Miniature Ball Bearing: 626, Dbl Sealed, Contact Seal, 6 mm Bore, 19 mm OD, 6 mm Wd (MPN 626-2RSP6MC3SRL). Key specifications — System of Measurement: Metric; Bearing Industry Number: 626.
EZO
EZO Miniature Ball Bearing: 626, Dbl Sealed, Contact Seal, 6 mm Bore, 19 mm OD, 6 mm Wd (MPN 626-2RSP6MC3SRL). Key specifications — System of Measurement: Metric; Bearing Industry Number: 626.
EZO Miniature Ball Bearing: R2-5, Dbl Shield, 1/8 in Bore, 5/16 in OD, 0.141 in Wd, 302°F Max Temp (MPN SR2-5ZZA3MC3SRL). Key specifications — System of Measurement: Inch; Bearing Industry Number: R2-5.
EZO
EZO Miniature Ball Bearing: R2-5, Dbl Shield, 1/8 in Bore, 5/16 in OD, 0.141 in Wd, 302°F Max Temp (MPN SR2-5ZZA3MC3SRL). Key specifications — System of Measurement: Inch; Bearing Industry Number: R2-5.
EZO Miniature Ball Bearing: 63800, Dbl Shield, 10 mm Bore, 19 mm OD, 7 mm Wd, Alloy Steel Ring (MPN 63800ZZP6MC3SRL). Key specifications — System of Measurement: Metric; Bearing Industry Number: 63800.
EZO
EZO Miniature Ball Bearing: 63800, Dbl Shield, 10 mm Bore, 19 mm OD, 7 mm Wd, Alloy Steel Ring (MPN 63800ZZP6MC3SRL). Key specifications — System of Measurement: Metric; Bearing Industry Number: 63800.
EZO Miniature Ball Bearing: R6, Dbl Sealed, Contact Seal, 3/8 in Bore, 7/8 in OD, 0.219 in Wd (MPN R6-2RSA3MC3SRL). Key specifications — System of Measurement: Inch; Bearing Industry Number: R6.
EZO
EZO Miniature Ball Bearing: R6, Dbl Sealed, Contact Seal, 3/8 in Bore, 7/8 in OD, 0.219 in Wd (MPN R6-2RSA3MC3SRL). Key specifications — System of Measurement: Inch; Bearing Industry Number: R6.
EZO Miniature Ball Bearing: MR63, Dbl Shield, 3 mm Bore, 6 mm OD, 2.5 mm Wd, Stainless Steel Ring (MPN SMR63ZZP6MC3SRL). Key specifications — System of Measurement: Metric; Bearing Industry Number: MR63.
EZO
EZO Miniature Ball Bearing: MR63, Dbl Shield, 3 mm Bore, 6 mm OD, 2.5 mm Wd, Stainless Steel Ring (MPN SMR63ZZP6MC3SRL). Key specifications — System of Measurement: Metric; Bearing Industry Number: MR63.