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Thumler's Model A-R1 Tumbler Parts

A-R1 Rock Tumbler
Every replacement parts for Thumler's A-R1 rock tumbler can be found on this page. If you are looking for a complete tumbler visit our A-R1 tumbler page. An A-R1 parts diagram is located at the bootom of this page to ensure you know what part you need. Check out our A-R1 tips, questions and answers page to learn more about your tumbler.
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Belt for Thumbler's tumblers

Thumler's Model A-R1 Belt


Only $5.99
Replacing a worn out A-R1 belt is one of the easiest fixes on the tumbler. No tools are required for the fix.
Thumler's tumbler bearings

Model A-R1 Tumbler Bearings


Four for $6.99
Thumler's A-R1 bearings are made of durable polyethylene. Bearings are simple to replace. Remove the retainer ring, slide the old bearing off, put the new one on and replace the retaining ring. We suggest purchasing some extra retainer rings just in case one gets damaged.
Thumler's nylon guides

Thumler's A-R1 Barrel Guidess


2 for $3.99
Thumler's A-R1 tumbler barrel guides are made of nylon which makes them durable. You won't have to change these very often but when you do it is a simple job. Remove the retainer clip, remove the bearing and old guide, slide on a new guide and replace the bearing and retainer clip. Purchasing some extra retainer clips in case you damage one is a good idea.
Thumler's tumbler retainer clip

Thumler's Shaft Retainer Clips


4 for $2.99
Retainer clips are used to hold the bearings on the end of the shafts and to hold the nylon rollers in the proper location on the idler shaft.
Nylon rollers for Thumlers tumbler's idler shaft

Thumler's Tumbler Nylon Roller


2 for $3.50
3 for $4.50
After years of use the nylon rollers on the idler shaft may wear down and need to be replaced. We offer a set of two rollers for the A-R1 and A-R6 tumblers and a set of three rollers for the A-R2 and A-R12 tumblers.
Rubber roller for Thumlers tumbler's drive shaft

Thumler's Rubber Roller


2 for $3.50
3 for $4.50
These rubber rollers for the drive shaft are what give the barrel traction and keep it turning to tumble the rocks inside. Replace worn rollers for optimum tumbling action. A set of two rubber rollers is needed for the A-R1 and A-R6 tumblers while a set of three rollers is needed for the A-R2 and A-R12 tumblers.
Thumler's AR1 and A-R6 tumbler drive shaft

Thumler's A-R1 Drive Shaft


Only $14.99
A replacement drive shaft for the A-R1 rotary tumbler. Easy to replace, just remove the belt, lift out the old shaft, snap the new one in and replace the belt. Includes: Shaft, rubber rollers, bearings, pulley and retainer clips.
Thumler's AR1 and AR6 tumbler idler shaft

Thumler's A-R1 Idler Shaft


Only $9.99
A complete idler shaft for the Thumler's A-R1 rotary tumbler. Easy to replace, Lift out the old shaft and snap the new one in. Includes: Shaft, rollers, barrel guides, bearings and retainer rings.
Thumler's 3lb barrel lid

Thumler's A-R1 Barrel lid


Only $4.99
This plastic barrel lid is for Thumler's A-R1 three-pound barrel. It also fits A-R2, MP-1 and Model T barrels.
Thumler's 3lb barrel retainer ring

Thumler's A-R1 Barrel Retaining Ring


Only $4.99
A rubber retaining ring used to secure the lid on a Thumler's A-R1 three-pound barrel. Also fits A-R2, MP-1 and Model-T barrels.
Thumler's 3lb tumbler barrel

Thumler's A-R1 Barrel


Only $26.99
This is a three pound capacity barrel designed to fit Thumler's Model A-R1 rock tumbler. It is also the same barrel used on the Model A-R2, and Model T rock tumblers. It is a complete barrel with retaining ring and plastic lid. TIP: An extra barrel dedicated to the polishing step significantly reduces the possibility of grit contamination.

Barrel Dimensions in Inches
  Height Diameter
Inside (usable space) 3 7/8 4 1/4
Outside 4 1/4 5

Thumlers A-R motor pully

A-R1 Tumbler Motor Pulley


Only $6.99
This pulley fits the motor on all A-R model Thumler's Tumbler. This Thumler's A-R1 pulley has a 1/4" bore diameter and 3/4" outside diameter.
Thumlers tumbler motor

Thumler's A-R1 Tumbler Motor


Only $74.99
This Thumler's A-R1 rock tumbler motor is overload protected. It will automatically shut off under too much load. This motor is very easy to attach.
A-R1 tumbler and supplies

A-R1 Tumbler and Supplies


MSRP $190.60
Our Price: $139.99


Tumbler and Supplies
A 3-pound rotary tumbler kit that comes with all of the grit, polish and rough needed to tumble-polish the first batch of stones. It also comes with jewelry findings to make necklaces and pendants out of the finished stones. More Information

Rock Tumbler Supplies
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Thumler's Model A-R1 Rotary Tumbler Parts Diagram

A-R1 tumbler parts diagram
The above MP-1 parts diagram has the components numbered to help you know what part or parts you need 1) Barrel, 2) Barrel Lid, 3) Barrel Retaining Ring, 4) Motor, 5) Motor Pulley, 6) Belt, 7) Drive Shaft, 8) Idler Shaft, 9) Bearings, 10) Rubber Rollers, 11) Nylon Rollers, 12) Barrel Guides, 13) Shaft Retainer Clips. Return to top