Hobby & Engineering Supplies - an MBA company

77R4 NACHI


Cross Referenced Part Numbers



R4-12B-ZZMC3 Nachi part number 77R4A





ID (d): 6.350. OD (D): 19.050. Width (B): 7.142.

Online Price: 0.00     
Stock: 3     



R4-ZZMC3 Nachi part number 77R4





ID (d): 6.350. OD (D): 15.875. Width (B): 4.978.

Online Price: 0.00     
Stock: 230     


Category Matches

RC Nitro Engine Parts


77 VR-DF ABC RC-SML OS Parts
77 VR-DF ABC RC-SML OS Parts


Bearings and Spare Parts for Remote Control Models

Where alternative parts are offered, we make no claims as to their suitability. Selection of the most suitable bearings and parts is the responsibility of the customer. We recommend you replace bearings with the same type if that type is working well. High speed caged bearings are better suited to handle vibration than standard caged bearings.


77 VR-M ABC RC MAR OS Parts
77 VR-M ABC RC MAR OS Parts


Bearings and Spare Parts for Remote Control Models

Where alternative parts are offered, we make no claims as to their suitability. Selection of the most suitable bearings and parts is the responsibility of the customer. We recommend you replace bearings with the same type if that type is working well. High speed caged bearings are better suited to handle vibration than standard caged bearings.


61 -77 MVVS Parts
61 -77 MVVS Parts


Bearings and Spare Parts for Remote Control Models

Where alternative parts are offered, we make no claims as to their suitability. Selection of the most suitable bearings and parts is the responsibility of the customer. We recommend you replace bearings with the same type if that type is working well. High speed caged bearings are better suited to handle vibration than standard caged bearings.


GFR - 77 MVVS Parts
GFR - 77 MVVS Parts


Bearings and Spare Parts for Remote Control Models

Where alternative parts are offered, we make no claims as to their suitability. Selection of the most suitable bearings and parts is the responsibility of the customer. We recommend you replace bearings with the same type if that type is working well. High speed caged bearings are better suited to handle vibration than standard caged bearings.


VR-M - 77 OS Parts
VR-M - 77 OS Parts


Bearings and Spare Parts for Remote Control Models

Where alternative parts are offered, we make no claims as to their suitability. Selection of the most suitable bearings and parts is the responsibility of the customer. We recommend you replace bearings with the same type if that type is working well. High speed caged bearings are better suited to handle vibration than standard caged bearings.


VR-Marine New - 77 OS Parts
VR-Marine New - 77 OS Parts


Bearings and Spare Parts for Remote Control Models

Where alternative parts are offered, we make no claims as to their suitability. Selection of the most suitable bearings and parts is the responsibility of the customer. We recommend you replace bearings with the same type if that type is working well. High speed caged bearings are better suited to handle vibration than standard caged bearings.


VR-M Marine - 77 OS Parts
VR-M Marine - 77 OS Parts


Bearings and Spare Parts for Remote Control Models

Where alternative parts are offered, we make no claims as to their suitability. Selection of the most suitable bearings and parts is the responsibility of the customer. We recommend you replace bearings with the same type if that type is working well. High speed caged bearings are better suited to handle vibration than standard caged bearings.


VR-DF Small Head - 77 OS Parts
VR-DF Small Head - 77 OS Parts


Bearings and Spare Parts for Remote Control Models

Where alternative parts are offered, we make no claims as to their suitability. Selection of the most suitable bearings and parts is the responsibility of the customer. We recommend you replace bearings with the same type if that type is working well. High speed caged bearings are better suited to handle vibration than standard caged bearings.


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Balls Metallic


Balls - Tungsten Carbide
Balls - Tungsten Carbide

Also see combined categories:
All Metallic Balls

Extreme hardness and wear resistance.

Tolerances available on request. Grades shown are AFBMA / ISO3290-1. Precision Grade: Grade 25. Hardness: Rockwell A: 91.5 (Approx 77 Rockwell C). Extreme hardness and wear resistance. Specific Gravity: 14.95.

Related Information:

There is also a good range of Balls - Tungsten Carbide on the Small Parts and Bearings website.


R40 HPI Parts
R40 HPI Parts


Bearings and Spare Parts for Remote Control Models

Where alternative parts are offered, we make no claims as to their suitability. Selection of the most suitable bearings and parts is the responsibility of the customer. We recommend you replace bearings with the same type if that type is working well. High speed caged bearings are better suited to handle vibration than standard caged bearings.


R40 With Clutch Bell And Steering HPI Parts
R40 With Clutch Bell And Steering HPI Parts


Bearings and Spare Parts for Remote Control Models

Where alternative parts are offered, we make no claims as to their suitability. Selection of the most suitable bearings and parts is the responsibility of the customer. We recommend you replace bearings with the same type if that type is working well. High speed caged bearings are better suited to handle vibration than standard caged bearings.


R40T - 21 Rossi Parts
R40T - 21 Rossi Parts


Bearings and Spare Parts for Remote Control Models

Where alternative parts are offered, we make no claims as to their suitability. Selection of the most suitable bearings and parts is the responsibility of the customer. We recommend you replace bearings with the same type if that type is working well. High speed caged bearings are better suited to handle vibration than standard caged bearings.


R40T - 90 Rossi Parts
R40T - 90 Rossi Parts


Bearings and Spare Parts for Remote Control Models

Where alternative parts are offered, we make no claims as to their suitability. Selection of the most suitable bearings and parts is the responsibility of the customer. We recommend you replace bearings with the same type if that type is working well. High speed caged bearings are better suited to handle vibration than standard caged bearings.


MP 777 Inferno Kyosho Parts
MP 777 Inferno Kyosho Parts


Bearings and Spare Parts for Remote Control Models

Where alternative parts are offered, we make no claims as to their suitability. Selection of the most suitable bearings and parts is the responsibility of the customer. We recommend you replace bearings with the same type if that type is working well. High speed caged bearings are better suited to handle vibration than standard caged bearings.


MP 777 SP1 Inferno Kyosho Parts
MP 777 SP1 Inferno Kyosho Parts


Bearings and Spare Parts for Remote Control Models

Where alternative parts are offered, we make no claims as to their suitability. Selection of the most suitable bearings and parts is the responsibility of the customer. We recommend you replace bearings with the same type if that type is working well. High speed caged bearings are better suited to handle vibration than standard caged bearings.


MP 777 SP2 Kyosho Parts
MP 777 SP2 Kyosho Parts


Bearings and Spare Parts for Remote Control Models

Where alternative parts are offered, we make no claims as to their suitability. Selection of the most suitable bearings and parts is the responsibility of the customer. We recommend you replace bearings with the same type if that type is working well. High speed caged bearings are better suited to handle vibration than standard caged bearings.


MP 777 ST-R Truggy Kyosho Parts
MP 777 ST-R Truggy Kyosho Parts


Bearings and Spare Parts for Remote Control Models

Where alternative parts are offered, we make no claims as to their suitability. Selection of the most suitable bearings and parts is the responsibility of the customer. We recommend you replace bearings with the same type if that type is working well. High speed caged bearings are better suited to handle vibration than standard caged bearings.


BTC77 Faro Parts
BTC77 Faro Parts


Bearings and Spare Parts

Where alternative parts are offered, we make no claims as to their suitability. Selection of the most suitable bearings and parts is the responsibility of the customer. We recommend you replace bearings with the same type if that type is working well. High speed caged bearings are better suited to handle vibration than standard caged bearings.

There is also a good range of BTC77 Faro Parts on the Small Parts and Bearings website.


5177597 GE Parts


Bearings and Spare Parts

Where alternative parts are offered, we make no claims as to their suitability. Selection of the most suitable bearings and parts is the responsibility of the customer. We recommend you replace bearings with the same type if that type is working well. High speed caged bearings are better suited to handle vibration than standard caged bearings.

There is also a good range of 5177597 GE Parts on the Small Parts and Bearings website.


TR4 CEN Parts
TR4 CEN Parts


Bearings and Spare Parts for Remote Control Models

Where alternative parts are offered, we make no claims as to their suitability. Selection of the most suitable bearings and parts is the responsibility of the customer. We recommend you replace bearings with the same type if that type is working well. High speed caged bearings are better suited to handle vibration than standard caged bearings.


PR421B Rex - 21 2.5CC Nova Rossi Parts
PR421B Rex - 21 2.5CC Nova Rossi Parts


Bearings and Spare Parts for Remote Control Models

Where alternative parts are offered, we make no claims as to their suitability. Selection of the most suitable bearings and parts is the responsibility of the customer. We recommend you replace bearings with the same type if that type is working well. High speed caged bearings are better suited to handle vibration than standard caged bearings.


PR421P Rex - 21 2.5CC Nova Rossi Parts
PR421P Rex - 21 2.5CC Nova Rossi Parts


Bearings and Spare Parts for Remote Control Models

Where alternative parts are offered, we make no claims as to their suitability. Selection of the most suitable bearings and parts is the responsibility of the customer. We recommend you replace bearings with the same type if that type is working well. High speed caged bearings are better suited to handle vibration than standard caged bearings.


Arief - GR4000H - GR4500H - GR4000HBH Tica Parts
Arief - GR4000H - GR4500H - GR4000HBH Tica Parts


Bearings and Spare Parts

Where alternative parts are offered, we make no claims as to their suitability. Selection of the most suitable bearings and parts is the responsibility of the customer. We recommend you replace bearings with the same type if that type is working well. High speed caged bearings are better suited to handle vibration than standard caged bearings.

There is also a good range of Arief - GR4000H - GR4500H - GR4000HBH Tica Parts on the Small Parts and Bearings website.


MR-4BC Special Yokomo Parts
MR-4BC Special Yokomo Parts


Bearings and Spare Parts for Remote Control Models

Where alternative parts are offered, we make no claims as to their suitability. Selection of the most suitable bearings and parts is the responsibility of the customer. We recommend you replace bearings with the same type if that type is working well. High speed caged bearings are better suited to handle vibration than standard caged bearings.


MR-4BX Yokomo Parts
MR-4BX Yokomo Parts


Bearings and Spare Parts for Remote Control Models

Where alternative parts are offered, we make no claims as to their suitability. Selection of the most suitable bearings and parts is the responsibility of the customer. We recommend you replace bearings with the same type if that type is working well. High speed caged bearings are better suited to handle vibration than standard caged bearings.


MR-4MT Yokomo Parts
MR-4MT Yokomo Parts


Bearings and Spare Parts for Remote Control Models

Where alternative parts are offered, we make no claims as to their suitability. Selection of the most suitable bearings and parts is the responsibility of the customer. We recommend you replace bearings with the same type if that type is working well. High speed caged bearings are better suited to handle vibration than standard caged bearings.


MR-4 Rally Yokomo Parts
MR-4 Rally Yokomo Parts


Bearings and Spare Parts for Remote Control Models

Where alternative parts are offered, we make no claims as to their suitability. Selection of the most suitable bearings and parts is the responsibility of the customer. We recommend you replace bearings with the same type if that type is working well. High speed caged bearings are better suited to handle vibration than standard caged bearings.


MR-4TC BD Yokomo Parts
MR-4TC BD Yokomo Parts


Bearings and Spare Parts for Remote Control Models

Where alternative parts are offered, we make no claims as to their suitability. Selection of the most suitable bearings and parts is the responsibility of the customer. We recommend you replace bearings with the same type if that type is working well. High speed caged bearings are better suited to handle vibration than standard caged bearings.


MR-4TC Custom Yokomo Parts
MR-4TC Custom Yokomo Parts


Bearings and Spare Parts for Remote Control Models

Where alternative parts are offered, we make no claims as to their suitability. Selection of the most suitable bearings and parts is the responsibility of the customer. We recommend you replace bearings with the same type if that type is working well. High speed caged bearings are better suited to handle vibration than standard caged bearings.


MR-4TC SD CGM Yokomo Parts
MR-4TC SD CGM Yokomo Parts


Bearings and Spare Parts for Remote Control Models

Where alternative parts are offered, we make no claims as to their suitability. Selection of the most suitable bearings and parts is the responsibility of the customer. We recommend you replace bearings with the same type if that type is working well. High speed caged bearings are better suited to handle vibration than standard caged bearings.


MR-4TC SD CM Drift Package Yokomo Parts
MR-4TC SD CM Drift Package Yokomo Parts


Bearings and Spare Parts for Remote Control Models

Where alternative parts are offered, we make no claims as to their suitability. Selection of the most suitable bearings and parts is the responsibility of the customer. We recommend you replace bearings with the same type if that type is working well. High speed caged bearings are better suited to handle vibration than standard caged bearings.


MR-4TC SD SSG -Black Yokomo Parts
MR-4TC SD SSG -Black Yokomo Parts


Bearings and Spare Parts for Remote Control Models

Where alternative parts are offered, we make no claims as to their suitability. Selection of the most suitable bearings and parts is the responsibility of the customer. We recommend you replace bearings with the same type if that type is working well. High speed caged bearings are better suited to handle vibration than standard caged bearings.


MR-4TC SP Yokomo Parts
MR-4TC SP Yokomo Parts


Bearings and Spare Parts for Remote Control Models

Where alternative parts are offered, we make no claims as to their suitability. Selection of the most suitable bearings and parts is the responsibility of the customer. We recommend you replace bearings with the same type if that type is working well. High speed caged bearings are better suited to handle vibration than standard caged bearings.


MR-4TC With Bell Crank Steering Yokomo Parts
MR-4TC With Bell Crank Steering Yokomo Parts


Bearings and Spare Parts for Remote Control Models

Where alternative parts are offered, we make no claims as to their suitability. Selection of the most suitable bearings and parts is the responsibility of the customer. We recommend you replace bearings with the same type if that type is working well. High speed caged bearings are better suited to handle vibration than standard caged bearings.


MR-4TC Yokomo Parts
MR-4TC Yokomo Parts


Bearings and Spare Parts for Remote Control Models

Where alternative parts are offered, we make no claims as to their suitability. Selection of the most suitable bearings and parts is the responsibility of the customer. We recommend you replace bearings with the same type if that type is working well. High speed caged bearings are better suited to handle vibration than standard caged bearings.


STR-4 1-10 Scale Academy and MRC Parts
STR-4 1-10 Scale Academy and MRC Parts


Bearings and Spare Parts for Remote Control Models

Where alternative parts are offered, we make no claims as to their suitability. Selection of the most suitable bearings and parts is the responsibility of the customer. We recommend you replace bearings with the same type if that type is working well. High speed caged bearings are better suited to handle vibration than standard caged bearings.


YR-4GP Yokomo Parts
YR-4GP Yokomo Parts


Bearings and Spare Parts for Remote Control Models

Where alternative parts are offered, we make no claims as to their suitability. Selection of the most suitable bearings and parts is the responsibility of the customer. We recommend you replace bearings with the same type if that type is working well. High speed caged bearings are better suited to handle vibration than standard caged bearings.


YR-4 II Yokomo Parts
YR-4 II Yokomo Parts


Bearings and Spare Parts for Remote Control Models

Where alternative parts are offered, we make no claims as to their suitability. Selection of the most suitable bearings and parts is the responsibility of the customer. We recommend you replace bearings with the same type if that type is working well. High speed caged bearings are better suited to handle vibration than standard caged bearings.


YR-4M Yokomo Parts
YR-4M Yokomo Parts


Bearings and Spare Parts for Remote Control Models

Where alternative parts are offered, we make no claims as to their suitability. Selection of the most suitable bearings and parts is the responsibility of the customer. We recommend you replace bearings with the same type if that type is working well. High speed caged bearings are better suited to handle vibration than standard caged bearings.


YR-4 Yokomo Parts
YR-4 Yokomo Parts


Bearings and Spare Parts for Remote Control Models

Where alternative parts are offered, we make no claims as to their suitability. Selection of the most suitable bearings and parts is the responsibility of the customer. We recommend you replace bearings with the same type if that type is working well. High speed caged bearings are better suited to handle vibration than standard caged bearings.


Main Pages



Freight Rates
Terms and Conditions
Privacy Policy

Registered Australian Company: Hobby & Engineering Supplies Pty Ltd (ABN 54 125 001 541)

Hobby and Engineering Supplies offers 6261 products in 356 categories including low priced hobby bearings, screws, brass and aluminium rod and tubing, shim - see the full listing in the Online Catalogue. We have excellent Freight Rates within Australia and worldwide. We offer a choice of delivery with a signature required, or cheaper options with no signature required. The no signature required options are at the customer’s risk once the goods leave our store.

Using the links throughout this site you will find extensive information including catalogues, technical data, and other product specific information. We sell our products worldwide through our online store and our overseas freight rates are competitive for fully traceable courier delivery.

Hobby and Engineering Supplies is part of MBA Group offering a select range from the MBA Group catalogue.

Hobby and Engineering Supplies products are not authorised for sale into the USA or Canada due to the reluctance of Australian insurers to provide product liability insurance into those two countries.

Information on this website is Copyright Hobby and Engineering Supplies 1997. All rights reserved.

Freight Rates
Terms and Conditions
Privacy Policy

Registered Australian Company: Hobby & Engineering Supplies Pty Ltd (ABN 54 125 001 541)

Hobby and Engineering Supplies offers 6261 products in 356 categories including low priced hobby bearings, screws, brass and aluminium rod and tubing, shim - see the full listing in the Online Catalogue. We have excellent Freight Rates within Australia and worldwide. We offer a choice of delivery with a signature required, or cheaper options with no signature required. The no signature required options are at the customer’s risk once the goods leave our store.

Using the links throughout this site you will find extensive information including catalogues, technical data, and other product specific information. We sell our products worldwide through our online store and our overseas freight rates are competitive for fully traceable courier delivery.

Hobby and Engineering Supplies is part of MBA Group offering a select range from the MBA Group catalogue.

Hobby and Engineering Supplies products are not authorised for sale into the USA or Canada due to the reluctance of Australian insurers to provide product liability insurance into those two countries.

Information on this website is Copyright Hobby and Engineering Supplies 1997. All rights reserved.