Hobby & Engineering Supplies - an MBA company

Chain And Sprockets Roller Categories


Sprockets - Miniature - Single Row - Steel
Sprockets - Miniature - Single Row - Steel


25-1 ASA 1/4 Inch. With unfinished bore. Economy for hobbies.

Match with miniature 6.35mm simplex chain. American Standard ASA25-1 - 1/4 inch.

Related Information:


General Derailer Sprocket Parts
General Derailer Sprocket 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 General Derailer Sprocket Parts on the Small Parts and Bearings website.


Rollers - Nylon Tyre - Convex - Through Bore
Rollers - Nylon Tyre - Convex - Through Bore

Also see combined categories:
All Tyred OD Bearings
All Rollers

Nylon tyred rollers for cabinet doors, gym equipment etc. Commonly found in rowing machines.


Related Information:

There is also a good range of Rollers - Nylon Tyre - Convex - Through Bore on the Small Parts and Bearings website.


Rollers - Steel
Rollers - Steel

Also see combined categories:
All Rollers

Hardened Steel Rollers as used in Cylindrical and Needle Roller Bearings

Hardened Steel Rollers as used in Cylindrical and Needle Roller Bearings.

Related Information:

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


Assortment Kits - Various
Assortment Kits - Various


Springs - O-Rings - Shafting - Circlips - Gears - Chain - Machine Keys - Nuts - Bolts - Shim - Screws - Washers - Roll Pins - Woodruff Keys - Cotter Pins - E-Clips - Fuses - Grease Nipples - Hitch Pins - Clevis Pins


There is also a good range of Assortment Kits - Various 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 6312 products in 305 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 6312 products in 305 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.