MR125-ZZ-ECO

Single Row Ball Bearings - 5x12x4 mm Unflanged - Chrome Steel SAE 52100 Bearing

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ECO

Store: Minibearings - Miniature Bearings Australia - Domestic & Export Additional resources:
Tolerances
Standard Bearings PDF Catalogue
Shafting
Price:
$5.05 AUD
$5.05 AUD
Each
Qty: 190 available now
Order 50 or more for $4.55 AUD Each
You may order more than the quantity available. One delivery will be made when all items are ready unless you select for partial delivery at checkout. Backorders for more than the stock quantity are expected before Aug 29, 2025

Pickup available at Shop location

Usually Ready in 4 Hours (If ordered Mon-Fri 8am to 1pm)

Base Category: Bearings - Single Row Ball

Top Level Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel

Product Details

ID (d): 5.000mm
(5.000mm is 0.197 in.)

Chrome Steel SAE 52100
  • OD (D): 12.000mm
    (12.000mm is 0.472 in.)
  • Width (B): 4.000mm
    (4.000mm is 0.157 in.)
  • Precision Grade: Economy
  • Closure Type: ZZ
  • Bearing Type: Radial

Brand: ECO
Country of Origin: TW

Product Compliance and Data

Similar to

  • Shielded MR125 / 4
  • MR125BASIC

We offer equivalents to many brands including Anderton, Barden, Berg, Designatronics, EZO, ISC, Koyo, Myonic, NMB, Nordex, NSK, Ondrives, Reid Industrial, RMB, SDP-SI, Seeger, SKF, and more.
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SHIPPING

Shipping Policy

Insurance, Brands & Related Information

Pick up is available from our Coopers Plains warehouse after your order is ready. Please refer to your ready notification email, and bring it with you to collect your parcel.

You may freely download the following catalogues to review and compare products. To help you select the most readily available items, rows are colour coded and marked according to the key at the bottom of each page.

Part numbers from these catalogues can be checked in the online store. If they don't appear in the store, please email us for more information about the part.

Ball Lock Pins

Balls

Bearing Material Selection and Benefits

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Bearings - Corrosion Resistant

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We provide equivalents to many brands including Berg - Designatronics - Nordex - NSK - Oilite - Ondrives - Reid Industrial - SDP-SI - SKF. The following PDF cross references contain hundreds of thousands of part conversions.

ADR and SKF

Anderton Circlips

Barden Bearings

Designatronics SDP-SI

Essentra

Flocast Bronze Bushes

K&S Metals

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Small Parts Inc

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Information, Catalogues, and News

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  • Free Standard Bearings Catalogue

    Free Standard Bearings Catalogue

    Download the MBA Standard Bearing Range Quick Guide Catalogue *** UPDATE 2025.3 *** The MBA Standard Bearing Catalogue includes sizes from 0.60mm bore (0.024 inches) to 320mm bore (12.6 inches)....

    Free Standard Bearings Catalogue

    Download the MBA Standard Bearing Range Quick Guide Catalogue *** UPDATE 2025.3 *** The MBA Standard Bearing Catalogue includes sizes from 0.60mm bore (0.024 inches) to 320mm bore (12.6 inches)....

  • Free High Speed Bearings Catalogue

    Free High Speed Bearings Catalogue

    Download the High Speed Bearings PDF Catalogue *** 2025.2 UPDATE *** Bearing speed is generally limited by the physical dimensions of the racesand balls. Improvements can be made to the...

    Free High Speed Bearings Catalogue

    Download the High Speed Bearings PDF Catalogue *** 2025.2 UPDATE *** Bearing speed is generally limited by the physical dimensions of the racesand balls. Improvements can be made to the...

  • Free Economy Bearing Selection Catalouge

    Free Economy Bearing Selection Catalouge

    Economy Ball Bearings PDF Download *** 2025.2 UPDATE *** The ECO series bearings are a high quality hobby grade bearing sourced in bulk to keep the pricing low. MBA inspect...

    Free Economy Bearing Selection Catalouge

    Economy Ball Bearings PDF Download *** 2025.2 UPDATE *** The ECO series bearings are a high quality hobby grade bearing sourced in bulk to keep the pricing low. MBA inspect...

  • Free Ball Lock Pins Catalogue

    Free Ball Lock Pins Catalogue

    Download the Free Ball Lock Pins PDF *** 2025.2 UPDATE *** Also known as detent pins, ball lock pins serve a similar purpose to clevis pins with the added benefit...

    Free Ball Lock Pins Catalogue

    Download the Free Ball Lock Pins PDF *** 2025.2 UPDATE *** Also known as detent pins, ball lock pins serve a similar purpose to clevis pins with the added benefit...

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If you can't find what you need on our site, another source for Bearings - Single Row Ball may be found in the Small Parts & Bearings website.