SMR74A-CSN-2RY-ECO

Single Row Ball Bearings - 4x7x2.5 mm - Stainless Steel AISI 440C - Ceramic Si3N4 Balls

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ECO

Additional resources:
Tolerances
Standard Bearings PDF Catalogue
Ceramic Bearings PDF Download
Price:
$31.41 AUD
$31.41 AUD
Each
Out Of Stock
Order 50 or more for $28.27 AUD Each
Pre-Order now! Backorders for more than the stock quantity are expected before Jun 11, 2025

Base Category: Bearings - Single Row Ball

Top Level Category: Bearings - Single Row Ball - Unflanged - Precision - Ceramic Hybrid

Product Details:

ID (d): 4.000mm
Stainless Steel AISI 440C - Ceramic Si3N4 Balls
  • OD (D): 7.000mm
  • Width (B): 2.500mm
  • Precision Grade: Economy
  • Closure Type: 2YS
  • Bearing Type: Radial

Brand: ECO
Country of Origin: TW

Alternative Parts Include: MR74A, MR74ABASIC

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.

Used for RC Helicopter Parts. Brands: Align, AXI, Gaui, Schluter, Synergy, Thunder Tiger. Models: Trex 450 SE Special V2, Trex 600 CF, 2808-24, Hurricane 550, Eolo Pro, Eolo R22, Eolo Spirit Pro, N9, Raptor 30, Raptor 50 SE, Raptor 50 SE Complete Kit, Raptor 50 Titan, Raptor 50 V2, Raptor 60 V2, Raptor 90 SE.
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SHIPPING

Shipping Policy

Insurance, Brands & Related Information

PICK UP

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.

PDF CATALOGUES

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

Bearings - Ceramic

Bearings - Corrosion Resistant

Bearings - Economy

Bearings - High Speed

Bearings - Plastic

Bearings - Radial - Master List

Bearings - Standard Range

Bearings - Super Precision

Bearings - Thrust

Bushes - Metallic & Plastic

Bushes - Sintered Bronze

Bushes - Solid Bronze

Circlips

Clevis Pins

Dowel Pins

Hammer Drive Pins

Key Steel

Knobs

Leveling Mounts

O-Rings

Pins

Poly Vee Belts and Pulleys

Push On & Push In Rings

Rod and Tube

Roll Pins

Screws

Shaft Collars

Shim Sheet

Shoulder Screws

Snap Rings

Socket Set Screws

Spring Steel Strip

Springs

Taper Pins

Thumbs Screws and Nuts

Timing Belts

Timing Pulley Stock

Timing Pulleys

Vibration Mounts - Bobbins and Buffers

Washers - Disc Spring

Washers - Precision Shim

Washers - Wave

Washers and Spacers

CROSS REFERENCES

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

Miniature Precision Bearings

Miscellaneous Brands

Misumi

NSK and NTN Bearings

Nordex

Ondrives

Reid Supply

SDP-SI

Seeger Circlips

Sintered Bronze

Small Parts Inc

Timing Belts & Pulleys

Information, Catalogues, and News

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  • Free Push-In & Push-On Rings Catalogue

    Free Push-In & Push-On Rings Catalogue

    Download the Free MBA Push-In & Push-On Rings Catalogue For fast & secure, light duty fastening on shafts (external) or in bores (internal). No need for a groove. Available in...

    Free Push-In & Push-On Rings Catalogue

    Download the Free MBA Push-In & Push-On Rings Catalogue For fast & secure, light duty fastening on shafts (external) or in bores (internal). No need for a groove. Available in...

  • Free High Speed Bearings Catalogue

    Free High Speed Bearings Catalogue

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

    Free High Speed Bearings Catalogue

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

  • Free Rod & Tube Catalogue

    Free Rod & Tube Catalogue

    Download the Rod & Tube PDF Catalogue The MBA Rod & Tubing Catalogue includes Rectangular & Square Keysteel, drill rod, drill blanks, H Section Bar, Hexagonal bar, round rod, silversteel, and...

    Free Rod & Tube Catalogue

    Download the Rod & Tube PDF Catalogue The MBA Rod & Tubing Catalogue includes Rectangular & Square Keysteel, drill rod, drill blanks, H Section Bar, Hexagonal bar, round rod, silversteel, and...

  • Free Bushes Catalogue

    Free Bushes Catalogue

    Download the Bushes Catalogue PDF The MBA Bushes Catalogue includes flanged and unflanged bushes from aluminium, brass and bronze with graphite plug, oil impregnated plastic, sintered bronze, solid bronze and...

    Free Bushes Catalogue

    Download the Bushes Catalogue PDF The MBA Bushes Catalogue includes flanged and unflanged bushes from aluminium, brass and bronze with graphite plug, oil impregnated plastic, sintered bronze, solid bronze and...

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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.