Hobby & Engineering Supplies - an MBA company

R4BRS NSK


Cross Referenced Part Numbers



R4-2RSMC3 NSK part number R4B-RS



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

Rec. Retail Price: 0.00     
(As low as in bulk)     
Stock: 186     


Category Matches

Dental Handpiece Parts


CHQD NSK Parts
CHQD NSK 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 CHQD NSK Parts on the Small Parts and Bearings website.


Optica NSK Parts
Optica NSK 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 Optica NSK Parts on the Small Parts and Bearings website.


X95L NSK Parts
X95L NSK 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 X95L NSK Parts on the Small Parts and Bearings website.


NTF TU03 NSK Parts
NTF TU03 NSK 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 NTF TU03 NSK Parts on the Small Parts and Bearings website.


Vip-Air NSK Parts
Vip-Air NSK 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 Vip-Air NSK Parts on the Small Parts and Bearings website.


EX6 Blue Band NSK Parts
EX6 Blue Band NSK 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 EX6 Blue Band NSK Parts on the Small Parts and Bearings website.


NPB Slow Speed NSK Parts
NPB Slow Speed NSK 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 NPB Slow Speed NSK Parts on the Small Parts and Bearings website.


VOLVERE GX35M VH NSK Parts
VOLVERE GX35M VH NSK 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 VOLVERE GX35M VH NSK Parts on the Small Parts and Bearings website.


VOLVERE GX 40M NSK Parts
VOLVERE GX 40M NSK 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 VOLVERE GX 40M NSK Parts on the Small Parts and Bearings website.


Alpha Air - Alpha-Lite NSK Parts
Alpha Air - Alpha-Lite NSK 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 Alpha Air - Alpha-Lite NSK Parts on the Small Parts and Bearings website.


Phatelus SU03 - TU03 - MU03 NSK Parts
Phatelus SU03 - TU03 - MU03 NSK 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 Phatelus SU03 - TU03 - MU03 NSK Parts on the Small Parts and Bearings website.


VOLVERE 8 30000 RPM NSK Parts
VOLVERE 8 30000 RPM NSK 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 VOLVERE 8 30000 RPM NSK Parts on the Small Parts and Bearings website.


VOLVERE GX 60000 RPM NSK Parts
VOLVERE GX 60000 RPM NSK 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 VOLVERE GX 60000 RPM NSK Parts on the Small Parts and Bearings website.


Pana Air Mini MU03 Red Band NSK Parts
Pana Air Mini MU03 Red Band NSK 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 Pana Air Mini MU03 Red Band NSK Parts on the Small Parts and Bearings website.


Pana Air SU03 - TU03 Green-Black NSK Parts
Pana Air SU03 - TU03 Green-Black NSK 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 Pana Air SU03 - TU03 Green-Black NSK Parts on the Small Parts and Bearings website.


E4R Slow Speed - Contra Angle Green Band NSK Parts
E4R Slow Speed - Contra Angle Green Band NSK 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 E4R Slow Speed - Contra Angle Green Band NSK Parts on the Small Parts and Bearings website.


Mach - Mach-LITE P045SU03 - P046TU03 Green-Black NSK Parts
Mach - Mach-LITE P045SU03 - P046TU03 Green-Black NSK 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 Mach - Mach-LITE P045SU03 - P046TU03 Green-Black NSK Parts on the Small Parts and Bearings website.


Phatelus II and III SU03 - TU03 - MU03 NSK Parts
Phatelus II and III SU03 - TU03 - MU03 NSK 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 Phatelus II and III SU03 - TU03 - MU03 NSK Parts on the Small Parts and Bearings website.


Mach Mini- Mach-LITE Mini P047MU03 Red Band NSK Parts
Mach Mini- Mach-LITE Mini P047MU03 Red Band NSK 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 Mach Mini- Mach-LITE Mini P047MU03 Red Band NSK Parts on the Small Parts and Bearings website.


Penske PC19 Kyosho Parts
Penske PC19 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.


Penske PC19 ZR1 Rampage Gas Kyosho Parts
Penske PC19 ZR1 Rampage Gas 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.


VR BR BUG - 48 OS Parts
VR BR BUG - 48 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 BR BUG - 61 OS Parts
VR BR BUG - 61 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 BR BUG - 76 OS Parts
VR BR BUG - 76 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.


T-Maxx With Additional Trans. BR Traxxas Parts
T-Maxx With Additional Trans. BR Traxxas 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.


Bruiser Tamiya Parts
Bruiser Tamiya 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.


BR21SB01 Rex - 2000 Nova Rossi Parts
BR21SB01 Rex - 2000 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.


BR21SB01 Rex - 21 3.5CC Nova Rossi Parts
BR21SB01 Rex - 21 3.5CC 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.


Big Brute - Big Boss - Hi-Rider Kyosho Parts
Big Brute - Big Boss - Hi-Rider 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.


Big Brute Kyosho Parts
Big Brute 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.


Nitro Brute Kyosho Parts
Nitro Brute 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.


Subaru Brat Tamiya Parts
Subaru Brat Tamiya 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.


Rotor BRGS - 21 OPS Parts
Rotor BRGS - 21 OPS 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.


Rotor BRGS - 60 OPS Parts
Rotor BRGS - 60 OPS 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.


Channel - Brass
Channel - Brass


For general hobby applications.


There is also a good range of Channel - Brass on the Small Parts and Bearings website.


Strip - Brass
Strip - Brass

Also see combined categories:
All Metal Strip

Thin Brass Strip


Related Information:

There is also a good range of Strip - Brass on the Small Parts and Bearings website.


BFP-50 Breville Parts
BFP-50 Breville 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 BFP-50 Breville Parts on the Small Parts and Bearings website.


46-243167P1AD Bracket 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 46-243167P1AD Bracket GE Parts on the Small Parts and Bearings website.


Nuts - Hexagonal - Brass
Nuts - Hexagonal - Brass

Also see combined categories:
All Nuts

UNC - UNF - BA - METRIC.

Note! Thickness (H) and A/F (A) dimensions are usually considered not critical and may vary. If the A and H dimensions are critical for your application please consult us prior to ordering. Nuts marked as type SCALE have the same dimension across flats as the brass hex head screw of the same thread size.

There is also a good range of Nuts - Hexagonal - Brass on the Small Parts and Bearings website.


Screws - Countersunk - Brass - Slotted
Screws - Countersunk - Brass - Slotted

Also see combined categories:
All Countersunk Screws

Flat Head Countersunk METRIC and BSW

Nuts sold seperately - See Nuts.

Related Information:

There is also a good range of Screws - Countersunk - Brass - Slotted on the Small Parts and Bearings website.


Screws - Wood - Brass
Screws - Wood - Brass


Brass wood screws for models


There is also a good range of Screws - Wood - Brass on the Small Parts and Bearings website.


Washers - Flat - Brass - Commercial
Washers - Flat - Brass - Commercial

Also see combined categories:
All Non Precision Flat Washers - Metallic
All Flat Washers and Spacers - Metallic

Flat washers.

Please note! Tolerances for commercial grade washers are much larger than for precision washers. In most cases the actual washer size will be larger than the nominal ID and smaller than the nominal OD.

Related Information:

There is also a good range of Washers - Flat - Brass - Commercial on the Small Parts and Bearings website.


Motors - Hobby - Brushed Packages


Brushed RC Motor and ESC Packages



Bar - H Section - Brass
Bar - H Section - Brass

Also see combined categories:
All Metal Bar - H Section (300mm Long Only)


There is also a good range of Bar - H Section - Brass on the Small Parts and Bearings website.


Square Bar - Brass
Square Bar - Brass

Also see combined categories:
All Metal Bar - Square

Saw Cut Ends. Some items may be available in longer or shorter lengths. e-mail sales@smallparts.com.au with enquiries. Smaller sizes may not be supplied straight.

There is also a good range of Square Bar - Brass on the Small Parts and Bearings website.


Rod - Round - Brass
Rod - Round - Brass

Also see combined categories:
All Metal Rod - Round

For general hobby applications.

NOTE! Very thin sizes may experience some bending. They may not be straight for the entire length. May be slightly oversized on OD so some reworking may be required before fitting closely mating parts such as bearings. For use with bearings we suggest you use items from the category - Shafting - Ground.

Related Information:

There is also a good range of Rod - Round - Brass on the Small Parts and Bearings website.


Tube - Hexagonal - Brass
Tube - Hexagonal - Brass

Also see combined categories:
All Metal Tube - Hexagonal

Hexagonal hollow tubing.


Related Information:

There is also a good range of Tube - Hexagonal - Brass on the Small Parts and Bearings website.


Tube - Rectangular - Brass
Tube - Rectangular - Brass

Also see combined categories:
All Metal Tube - Rectangular

Rectangular hollow tubing.

Some items may be available in longer or shorter lengths. e-mail sales@smallparts.com.au with enquiries.

Related Information:

There is also a good range of Tube - Rectangular - Brass on the Small Parts and Bearings website.


Tube - Round - Brass
Tube - Round - Brass

Also see combined categories:
All Metal Tube - Round

Hollow round tubing for general hobby applications.

For general hobby applications. May be slightly oversized on OD so some reworking may be required before fitting closely mating parts such as bearings. For use with bearings we suggest you use items from the category - Shafting - Ground. Many sizes fit neatly into larger sizes to allow for telescoping size applications. Some items may be available in longer or shorter lengths. e-mail sales@smallparts.com.au with enquiries.

Related Information:

There is also a good range of Tube - Round - Brass on the Small Parts and Bearings website.


Tube - Round - Bronze - LG2 Standard
Tube - Round - Bronze - LG2 Standard

Also see combined categories:
All Metal Tube

Leaded Gunmetal Bronze tubing. Product will machine to the sizes listed and is supplied will be larger on OD and smaller on bore.

Sizes listed are FINISHED SIZE. Product supplied will be larger on OD and smaller on bore. Longer lengths available on special request. Composition (Approx.) : Copper 85%, Tin 5%, Zinc 5%, Lead 5%. AS1565-83600 / Hardness : 70-90 BHN. Some items may be available in longer or shorter lengths. e-mail sales@smallparts.com.au with enquiries.

Related Information:

There is also a good range of Tube - Round - Bronze - LG2 Standard on the Small Parts and Bearings website.


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 6173 products in 447 categories including assortment kits, low priced hobby bearings, tools, screws, brass and aluminium rod and tubing - 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 6173 products in 447 categories including assortment kits, low priced hobby bearings, tools, screws, brass and aluminium rod and tubing - 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.