Single Row Ball Bearings - 12x24x6 mm Unflanged - Chrome Steel SAE 52100 - High Speed Polyamide Cage - Ceramic Si3N4 Balls Bearing

6901-CSN-2RU-T9H-ECO (Each)

Images are indicative only and may not represent the pack quantity or specific item details. Images should be used as a guide in conjunction with the product description.
  • Single Row Ball Bearings - 12x24x6 mm - Chrome Steel SAE 52100 - High Speed Polyamide Cage - Ceramic Si3N4 Balls
1 4

ECO

Store Name: Small Parts & Bearings

Additional resources:
Tolerances
Standard Bearings PDF Catalogue
Ceramic Bearings PDF Download
Price:
$122.32 AUD
$122.32 AUD
Each
Excludes GST and overseas Taxes & Duties
 Backorder

Order 50 or more
for $110.09 AUD Each
Backorder now! Backorders are expected before Jun 18, 2026

Base Category: Bearings - Single Row Ball

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

Product Details


Double black rubber sealed economy ceramic-hybrid bearing with a high speed polyamide retainer

ID (d): 12.000mm
(12.000mm is 0.472 in.)

Chrome Steel SAE 52100 - High Speed Polyamide Cage - Ceramic Si3N4 Balls
  • ID (d): 12.000mm
    (12.000mm is 0.472 in.)
  • O.D. (D): 24.000mm
    (24.000mm is 0.945 in.)
  • Width (B): 6.000mm
    (6.000mm is 0.236 in.)
  • Precision Grade: Economy
  • Closure Type: 2RU
  • Bearing Type: Radial

Brand: ECO
Country of Origin: TW

Product Compliance and Data

Similar to

  • BOCA® MR6901C-2RU-TH9-C3
  • MR6901C2RUTH9C3
  • 6901CSNT9H2RUECO
  • 6901BASIC

Used for

  • RC Nitro Engine Parts
  • ASP® - 25 All Models - Replacement Bearing
  • ASP® - 36 All Models - Replacement Bearing
  • Bluebird® - 21 All Models - Replacement Bearing
  • Bluebird® - 2C - 21 - Replacement Bearing
  • Brat® - 28 All Models - Replacement Bearing
  • China Shanghai® - CSGF/F - 61 - Replacement Bearing
  • Evolution® - 36NT - 60 - Replacement Bearing
  • Fitzpatrick - 61 - Replacement Bearing
  • Fitzpatrick - 61 With Side Exhaust and ABC Engine - 61 - Replacement Bearing
  • HB - 40 All Models - Replacement Bearing
  • HP - 21 All Models - Replacement Bearing
  • Irvine® - 46 All Models - Replacement Bearing
  • Jett® - Fan Jet - 50 - Replacement Bearing
  • Jett® - Fire - 50 - Replacement Bearing
  • Jett® - Fire - 65 - Replacement Bearing
  • Jett® - Fire - 76 - Replacement Bearing
  • Jett® - Fire - 90 - Replacement Bearing
  • Jett® - Sport - 105 - Replacement Bearing
  • Jett® - Sport - 76 - Replacement Bearing
  • Jett® - Sport - 90 - Replacement Bearing
  • K.B - 4 - 21 - Replacement Bearing
  • K.B - 48 All Models - Replacement Bearing
  • K.B - 82 All Models - Replacement Bearing
  • K.B - IB - 61 - Replacement Bearing
  • K.B - IB Old - 3.5 - Replacement Bearing
  • K.B - Inboard - 11 - Replacement Bearing
  • K.B - Inboard Early Model - 21 - Replacement Bearing
  • K.B - Inboard Marine - 67 - Replacement Bearing
  • K.B - Inboard Marine Late Model - 1 - Replacement Bearing
  • K.B - Inboard Marine Late Model - 82 - Replacement Bearing
  • K.B - New Marine - 40 - Replacement Bearing
  • K.B - OB 21 - 6.5 - Replacement Bearing
  • K.B - OB Old 12MM Crank Marine - 21 - Replacement Bearing
  • K.B - Outboard Marine Early Model - 67 - Replacement Bearing
  • Magnum Power® - 120 All Models - Replacement Bearing
  • Magnum Power® - Pro - 80 - Replacement Bearing
  • Magnum Power® - XL - 120 - Replacement Bearing
  • Magnum Power® - XL - 15 - Replacement Bearing
  • Magnum Power® - XL - 25 - Replacement Bearing
  • Magnum Power® - XLS - 52 - Replacement Bearing
  • MVVS - 61 All Models - Replacement Bearing
  • MVVS - C - 61 - Replacement Bearing
  • Nelson - 45 All Models - Replacement Bearing
  • Norvel® - 25 - 15 - Replacement Bearing
  • OS Engines® - F - 21 - Replacement Bearing
  • OS Engines® - F ABC RC W-Muffler - 25 - Replacement Bearing
  • OS Engines® - F RC W-Muffler - 32 - Replacement Bearing
  • OS Engines® - F-F ABC RC - 32 - Replacement Bearing
  • OS Engines® - F-F RC - 28 - Replacement Bearing
  • OS Engines® - F-H RC - 28 - Replacement Bearing
  • OS Engines® - F-H RC W-Muffler - 32 - Replacement Bearing
  • OS Engines® - FH With COIL - 240 - Replacement Bearing
  • OS Engines® - FH With Recoil - 32 - Replacement Bearing
  • OS Engines® - F-HS RC With Cone - 28 - Replacement Bearing
  • OS Engines® - F-HX - 32 - Replacement Bearing
  • OS Engines® - F-MX - 32 - Replacement Bearing
  • OS Engines® - FS 40S-C - 26 - Replacement Bearing
  • OS Engines® - FS M RC 4C Marine - 91 - Replacement Bearing
  • OS Engines® - FSR - 40 - Replacement Bearing
  • OS Engines® - FX - 300 - Replacement Bearing
  • OS Engines® - FX - 40 - Replacement Bearing
  • OS Engines® - Maxx Old - 61 - Replacement Bearing
  • OS Engines® - RF-B - 61 - Replacement Bearing
  • OS Engines® - SE-B - 21 - Replacement Bearing
  • OS Engines® - SE-M - 21 - Replacement Bearing
  • OS Engines® - SE-R - 21 - Replacement Bearing
  • OS Engines® - SF - 21 - Replacement Bearing
  • OS Engines® - SX - 61 - Replacement Bearing
  • OS Engines® - SX-H - 32 - Replacement Bearing
  • OS Engines® - SXH-R - 32 - Replacement Bearing
  • OS Engines® - SX-HX - 50 - Replacement Bearing
  • OS Engines® - SX-MX - 61 - Replacement Bearing
  • OS Engines® - VF ABC RC - 18 - Replacement Bearing
  • OS Engines® - VF-BR Buggy - 25 - Replacement Bearing
  • OS Engines® - VF-DF ABC RC - 46 - Replacement Bearing
  • OS Engines® - VF-HS With Cone - 61 - Replacement Bearing
  • OS Engines® - VR BR BUG - 76 - Replacement Bearing
  • Picco® - Blue Head - Q500 - Replacement Bearing
  • Picco® - EXR - Q500 - Replacement Bearing
  • Picco® - EXR New Late - 67 - Replacement Bearing
  • Picco® - Hydro - 45 - Replacement Bearing
  • PRO F1 - Junior - 46 - Replacement Bearing
  • Royal® - 21 All Models - Replacement Bearing
  • Royal® - 25 All Models - Replacement Bearing
  • Thunder Tiger® - Pro - 21 - Replacement Bearing
  • Thunder Tiger® - Pro - 25 - Replacement Bearing
  • Thunder Tiger® - Pro H - 90 - Replacement Bearing
  • Veco® - 21 All Models - Replacement Bearing
    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.
    • View full details

    Click to open these sections

    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

    View all
    • Searching for Bushes (Quick Tips)

      Searching for Bushes (Quick Tips)

      BY SIZE Bushes are usually designated by the inside diameter x outside diameter x length (ID x OD x L) in mm. You can search for bushes using the size...

      Searching for Bushes (Quick Tips)

      BY SIZE Bushes are usually designated by the inside diameter x outside diameter x length (ID x OD x L) in mm. You can search for bushes using the size...

    • Searching for Bearings (Quick Tips)

      Searching for Bearings (Quick Tips)

      BY SIZE Bearings are usually designated by the inside diameter x outside diameter x width (ID x OD x W) in mm. You can search for bearings using the size...

      Searching for Bearings (Quick Tips)

      BY SIZE Bearings are usually designated by the inside diameter x outside diameter x width (ID x OD x W) in mm. You can search for bearings using the size...

    • Dental Handpiece Bearings & Parts Applications List

      Dental Handpiece Bearings & Parts Applications ...

      Version 2026.3 - April 2026 The MBA Dental Handpiece Bearings & Parts Applications List contains replacement bearings, turbines, headgears, pushbuttons, o-rings and more for many makes including ABU®, ACETON SATELEC®, ADEC®,...

      Dental Handpiece Bearings & Parts Applications ...

      Version 2026.3 - April 2026 The MBA Dental Handpiece Bearings & Parts Applications List contains replacement bearings, turbines, headgears, pushbuttons, o-rings and more for many makes including ABU®, ACETON SATELEC®, ADEC®,...

    • Fishing Reel Repair Bearings Applications List

      Fishing Reel Repair Bearings Applications List

      Version 2026.3 - April 2026  The MBA fishing reel bearings list contains replacement options for Abu Garcia®, Alvey®, Butterworth®, Daiwa®, Duro®, Fin-Nor®, Jarvis Walker®, Mitchell®, Newell®, Penn®,  Pro Gear®, Reelemin®, Ryobi®,...

      Fishing Reel Repair Bearings Applications List

      Version 2026.3 - April 2026  The MBA fishing reel bearings list contains replacement options for Abu Garcia®, Alvey®, Butterworth®, Daiwa®, Duro®, Fin-Nor®, Jarvis Walker®, Mitchell®, Newell®, Penn®,  Pro Gear®, Reelemin®, Ryobi®,...

    1 4
    View all
    If you can't find what you need on our site, another source for Bearings - Single Row Ball may be found in the Miniature Bearings Australia website.