R166-ZZS-ECO (2 Pcs)

Single Row Ball Bearings - 4.763x9.525x3.175 mm Unflanged - Chrome Steel SAE 52100 Bearing

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 - 4.763x9.525x3.175 mm - Chrome Steel SAE 52100
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ECO

Store: Minibearings - Miniature Bearings Australia - Retail & Wholesale Additional resources:
Tolerances
Standard Bearings PDF Catalogue
Shafting
Price:
$3.41 AUD
$3.41 AUD
Excludes GST and overseas Taxes & Duties
 per 2
Qty: 43 packs (86 pcs) available now
Order 50 or more packs (100 pcs) for $3.07 AUD per 2

Special Offer: If you purchase the remaining quantity of this item, you will receive the bulk price.
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 Sep 29, 2025

Base Category: Bearings - Single Row Ball

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

Product Details

ID (d): 4.763mm
(4.763mm is 0.188 in.)

Chrome Steel SAE 52100
  • ID (d): 4.763mm
    (4.763mm is 0.188 in.)
  • OD (D): 9.525mm
    (9.525mm is 0.375 in.)
  • Width (B): 3.175mm
    (3.175mm is 0.125 in.)
  • Precision Grade: Economy
  • Closure Type: ZZS
  • Bearing Type: Radial

Brand: ECO
Country of Origin: TW

Product Compliance and Data

Similar to

  • Associated 3977
  • Associated 6599
  • Associated 6906
  • Associated 6906 / 6599
  • Associated 6906 / 6599/7360
  • Associated 7360
  • R166
  • R166BASIC

Used for

  • RC Car Parts
  • RC Helicopter Parts
  • Associated - B4 Factory Team - Bearing 4.76-9.53-3.18mm
  • Associated - B4 RTR - Bearing 4.76-9.53-3.18mm
  • Associated - B4 SE Electric Off Road - Bearing 4.76-9.53-3.18mm
  • Associated - B4 Stealth Buggy - Bearing 4.76-9.53-3.18mm
  • Associated - GT-2RS - Bearing 4.76-9.53-3.18mm
  • Associated - Nitro TC3 - Bearing 4.76-9.53-3.18mm
  • Associated - Nitro TC3 RTR - Bearing 4.76-9.53-3.18mm
  • Associated - Nitro TC3 RTR Plus On Road - Bearing 4.76-9.53-3.18mm
  • Associated - Nitro TC3 With Steering - Bearing 4.76-9.53-3.18mm
  • Associated - RC10 - T3 1/10 - Centre Gear Bearing 3-16-3-8mm
  • Associated - RC10 - T3 1/10 - Front Wheels Bearing 3-16-3-8mm
  • Associated - RC10 - T3 1/10 - Gear Bearing 3-16-3-8mm
  • Associated - RC10 - T3 1/10 - Rear Wheels Bearing 3-16-3-8mm
  • Associated - RC10 Champion Series - Bearing 4.76-9.53-3.18mm
  • Associated - RC10 Champion W-Stealth World Car - Bearing 4.76-9.53-3.18mm
  • Associated - RC10 Championship Edition - Bearing 4.76-9.53-3.18mm
  • Associated - RC10 Championship Edition With STE - Bearing 4.76-9.53-3.18mm
  • Associated - RC10 Team Car - Bearing 4.76-9.53-3.18mm
  • Associated - RC10 World Car - Bearing 4.76-9.53-3.18mm
  • Associated - RC10B2 - Bearing 4.76-9.53-3.18mm
  • Associated - RC10B3 - Bearing 4.76-9.53-3.18mm
  • Associated - RC10B3 Sport - Bearing 4.76-9.53-3.18mm
  • Associated - RC10B4 - Bearing 4.76-9.53-3.18mm
  • Associated - RC10DS - Bearing 4.76-9.53-3.18mm
  • Associated - RC10GT Factory Team Nitro Off Road - Bearing 4.76-9.53-3.18mm
  • Associated - RC10GT Factory Team With Clutch Bell - Bearing 4.76-9.53-3.18mm
  • Associated - RC10GT Old Nitro Off Road - Bearing 4.76-9.53-3.18mm
  • Associated - RC10GT RTR - Bearing 4.76-9.53-3.18mm
  • Associated - RC10GT RTR With Clutch Bell - Bearing 4.76-9.53-3.18mm
  • Associated - RC10GT Special With Clutch Bell - Bearing 4.76-9.53-3.18mm
  • Associated - RC10GT/ST Team Truck - Bearing 4.76-9.53-3.18mm
  • Associated - RC10T - GT10 Truck - Wheel Bearing 3-16-3-8mm
  • Associated - RC10T Truck - Bearing 4.76-9.53-3.18mm
  • Associated - RC10T2 Sport - Bearing 4.76-9.53-3.18mm
  • Associated - RC10T2 Truck - Bearing 4.76-9.53-3.18mm
  • Associated - Stealth Trans - Bearing 4.76-9.53-3.18mm
  • Associated - Team Car - Bearing 4.76-9.53-3.18mm
  • Cobra - Nemesis - Bearing 4.76-9.53-3.18mm
  • Custom Works - Enforcer GBX - Bearing 4.76-9.53-3.18mm
  • Custom Works - Enforcer GSX - Bearing 4.76-9.53-3.18mm
  • Custom Works - Intimidator - Bearing 4.76-9.53-3.18mm
  • Custom Works - Intimidator GBX RC - Bearing 4.76-9.53-3.18mm
  • Custom Works - Intimidator Nitro GSX - Bearing 4.76-9.53-3.18mm
  • Duratrax - Evader Buggy - Bearing 4.76-9.53-3.18mm
  • Duratrax - Evader BX - Bearing 4.76-9.53-3.18mm
  • Duratrax - Evader BX Nitro - Bearing 4.76-9.53-3.18mm
  • Duratrax - Evader BX Pro RTR Electric - Bearing 4.76-9.53-3.18mm
  • Duratrax - Evader ST - Bearing 4.76-9.53-3.18mm
  • Duratrax - Evader ST Nitro - Bearing 4.76-9.53-3.18mm
  • Duratrax - Evader ST Pro RTR - Bearing 4.76-9.53-3.18mm
  • Duratrax - Hyper-10 - Bearing 4.76-9.53-3.18mm
  • Duratrax - LXT Gas Conversion - Bearing 4.76-9.53-3.18mm
  • Duratrax - RC10T Gas Conversion - Bearing 4.76-9.53-3.18mm
  • FSR - Bullet Electric - Bearing 4.76-9.53-3.18mm
  • FSR - Bullet Modified Losi - Bearing 4.76-9.53-3.18mm
  • HPI - RS4 Nitro Rush - Bearing 4.76-9.53-3.18mm
  • HPI - Rush Evo - Bearing 4.76-9.53-3.18mm
  • J Concepts - BJ4 - Bearing 4.76-9.53-3.18mm
  • Kyosho - GP Ultima RB RTR - Bearing 4.76-9.53-3.18mm
  • Kyosho - Ultima ST EP Sports - Bearing 4.76-9.53-3.18mm
  • Kyosho - Ultima ST GP Evolution Type R - Bearing 4.76-9.53-3.18mm
  • Kyosho - Ultima ST GP Sports - Bearing 4.76-9.53-3.18mm
  • Kyosho - Ultima ST Truck - Bearing 4.76-9.53-3.18mm
  • Kyosho - Ultima ST Truck With Steering - Bearing 4.76-9.53-3.18mm
  • Losi - DoubleX Buggy - Bearing 4.76-9.53-3.18mm
  • Losi - DoubleX Truck - Bearing 4.76-9.53-3.18mm
  • Losi - GTX Gas TRK - Bearing 4.76-9.53-3.18mm
  • Losi - JR T Trans - Bearing 4.76-9.53-3.18mm
  • Losi - JRX2 - Bearing 4.76-9.53-3.18mm
  • Losi - JRX2 Truck LX-T - Bearing 4.76-9.53-3.18mm
  • Losi - JRX-S 4 Wheel Sedan - Bearing 4.76-9.53-3.18mm
  • Losi - JRXT Truck - Bearing 4.76-9.53-3.18mm
  • Losi - Junior 2 - T - Bearing 4.76-9.53-3.18mm
  • Losi - LX-T - Bearing 4.76-9.53-3.18mm
  • Losi - NXT - Bearing 4.76-9.53-3.18mm
  • Losi - Rally Street Weapon - Bearing 4.76-9.53-3.18mm
  • Losi - Street Weapon - Bearing 4.76-9.53-3.18mm
  • Losi - XX - XXCR - XXT CR - Belt Transmission Slipper Bearing 3-16-3-8mm
  • Losi - XX - XXCR - XXT CR - Rear Wheels Bearing 3-16-3-8mm
  • Losi - XX - XXCR - XXT CR - Transmission 2 Bearing 3-16-3-8mm
  • Losi - XX4 - Rear Wheels Bearing 3-16-3-8mm
  • Losi - XXX-2WD Off-Road Racing Buggy - Bearing 4.76-9.53-3.18mm
  • Losi - XXX4 - Bearing 4.76-9.53-3.18mm
  • Losi - XXX-BK2 Racer - Bearing 4.76-9.53-3.18mm
  • Losi - XXX-Buggy - Bearing 4.76-9.53-3.18mm
  • Losi - XXX-Kinwald Graphite Edition - Bearing 4.76-9.53-3.18mm
  • Losi - XXX-NT AD Version - Bearing 4.76-9.53-3.18mm
  • Losi - XXX-NT Sport - Bearing 4.76-9.53-3.18mm
  • Losi - XXX-S - Bearing 4.76-9.53-3.18mm
  • Losi - XXX-T MF2 Sports - Bearing 4.76-9.53-3.18mm
  • Mugen - MST-1 1/10 Gas Truck With Clutch - Bearing 4.76-9.53-3.18mm
  • Sport Werks - Raven ST - Bearing 4.76-9.53-3.18mm
  • Trinity - Reflex 10 - Bearing 4.76-9.53-3.18mm
  • XTM Racing - Nitro X-Cellerator Racer - Bearing 4.76-9.53-3.18mm
  • XTM Racing - Nitro X-Cellerator RTR 2WD - Bearing 4.76-9.53-3.18mm
  • XTM Racing - X-Cellerator Stadium Truck RTR - Bearing 4.76-9.53-3.18mm
  • XTM Racing - X-Cellerator EP RTR - Bearing 4.76-9.53-3.18mm

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

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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    Download the MBA Vibration Mounts Catalogue *** UPDATE 2025.2 *** August 2025 The MBA Vibration Mounts catalogue includes Bobbins & Buffers made from Neoprene and Natural Rubber with zinc plated...

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    Free Screws Catalogue

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  • Free Clevis Pins Catalogue

    Free Clevis Pins Catalogue

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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.