Hobby & Engineering Supplies - an MBA company

R42RS NSK


Cross Referenced Part Numbers



R4-2RSMC3 NSK part number R4-2RS



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.


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.


Mach 427 - 21 Dynamite Parts
Mach 427 - 21 Dynamite 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.


Mach 427 - 26 Dynamite Parts
Mach 427 - 26 Dynamite 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.


Platinum SG Off Road - 427 Dynamite Parts
Platinum SG Off Road - 427 Dynamite 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.


642A FG Kavo Parts
642A FG Kavo 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 642A FG Kavo Parts on the Small Parts and Bearings website.


642B - 642C PB BellaTorque Kavo Parts
642B - 642C PB BellaTorque Kavo 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 642B - 642C PB BellaTorque Kavo Parts on the Small Parts and Bearings website.


PT421P Top - 21 3.5CC Nova Rossi Parts
PT421P Top - 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.


RX421P Nova - 21 3.5CC Nova Rossi Parts
RX421P  Nova - 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.


S421B-N Nova - 21 3.5CC Nova Rossi Parts
S421B-N Nova - 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.


S421B Nova - 21 3.5CC Nova Rossi Parts
S421B Nova - 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.


S421R Nova - 21 3.5CC Nova Rossi Parts
S421R Nova - 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.


T421B Top - 21 3.5CC Nova Rossi Parts
T421B Top - 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.


T421R Top - 21 3.5CC Nova Rossi Parts
T421R Top  - 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.


Motors - DC 25.0X21.0 mm
Motors - DC 25.0X21.0 mm

Also see combined categories:
All DC Motors

M-14 Series 1.5 to 3 VDC - 4230 to 11280 RPM.

See Datasheets in PDF format. Link at bottom of this page. Direction of rotation (CW = Clockwise, ACW = Anticlockwise) when looking towards shaft.

Related Information:

There is also a good range of Motors - DC 25.0X21.0 mm on the Small Parts and Bearings website.


P-51 PTS Mustang Mk II Ready to Fly HAN4425 HANGAR 9 Parts
P-51 PTS Mustang Mk II Ready to Fly HAN4425 HANGAR 9 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.


Screws - Countersunk - Socket - Steel
Screws - Countersunk - Socket - Steel

Also see combined categories:
All Countersunk Screws

Flat Head Countersunk UNC - UNF - METRIC - Alloy Steel

Imperial Sizes to ANSI B18.3. Metric Sizes to DIN7991. Rc38-42. ASTM F835 - alloy steel. ISO 10642.

Related Information:

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


Motors - DC 30.5X24.2 mm
Motors - DC 30.5X24.2 mm

Also see combined categories:
All DC Motors

M-28 Series 1.5 to 24 VDC - 2830 to 14250 RPM.

See Datasheets in PDF format. Link at bottom of this page. Direction of rotation (CW = Clockwise, ACW = Anticlockwise) when looking towards shaft.

Related Information:

There is also a good range of Motors - DC 30.5X24.2 mm 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.