Customer comments and photos

 Dobsonian Mounts

Read: About Our Mounts
Standard solid
Custom solid.
Custom collapsible.

Manual setting circles: Az and Dec.
Digital setting circle installation.
Mounts for two telescopes.
Height adjustment stands

ATM Altitude and Azimuth
Bearing Parts

The Bearing Works: get everything.
Or buy individual items:
Laminate rings and strips
Teflon pads
Azimuth bolt assembly kits


Image Sharpening

Primary:Fix Turned Down Edge. 
Imaging: Remove mirror clip flare.
Aperture: Eliminate spider spikes.

Clamshell & Rotating Rings

For Dobsonian mounts
For Equatorial mounts

Azimuth and altitude bearing Teflon and laminate.
Azimuth stainless steel center bolt and Teflon sleeve kits assemblies.

ATM order shipping costs.

Individual ATM items available in sections below The Bearing Works
The Bearing Works
$101.00 plus shipping.
Complete Dobsonian altitude and azimuth parts kit.
Make your selections and Submit to receive a PayPal invoice including shipping.
Or request shipping quote here.

Kits include:
Azimuth bearing
Rocker box bottom board
  Top of board:
  (1) Center bolt: 3/8" x 2" stainless steel, partially threaded.
  (1) Teflon flanged center bolt sleeve: 3/8" ID x 0.5" OD.
  Board underside:
  (1) Formica Crystal 42 laminate ring up to 19.5" OD. Available up to 23.5" OD adds $12:
Fill in desired ring size OD: and thickness up to 1.5":
  (1) Formica laminate center pad round: 3.75" dia., 3/8" hole.
Ground board

(1) Teflon bolt center support: 2.5" x 2.5" x 0.25", 3/8" hole.

(3) Teflon pads for laminate ring: 1.25" x 1.25" x 0.25"

Bolt bottom hardware: (1) 3/8" ID weld nut & screws, (1) 3/8" ID Nylock.

Altitude Bearings
(2) Laminate strips 0.708" x 48" length. OR 1.0" x 48" length:
(4) Teflon pads 0.708" x 1.25" x 0.25". OR 1.0" x 1.25" x 0.25":
  All Teflon drilled and countersunk for screws. Screws included.
Repeat E-mail:
Zip/Postal Code/Country:

 Example of 1.5" ring thickness.

Azimuth Bearing Laminate Rings
Receive shipping quote.

Black Formica laminate Crystal 42
Maximum 23.5" O.D. with 1.5" thickness.

Laser cutting assures perfectly alignment.

Wider and/or thicker rings upon request.

Select maximum size:
Specify outside diameter:
Specify thickness (max 1.5"):


Altitude Bearing Laminate 48" Strips.
Black Formica laminate Crystal 42
Sold in pairs (2 strips).
Adhere using contact cement.



Virgin Teflon (PTFE) Pads.

For use with laminate rings and strips.
All Teflon 0.25" thickness.
All predrilled and countersunk for screws.
Includes #6 0.75" flathead screws.

altitude bearing pads.
altitude bearing pads.
azimuth bearing pads.
includes 3.75" laminate round. Both with 3/8" center bolt hole.
Size /bearing /quantity

Teflon Sleeved
Azimuth Bolt Assembly Kits

Qty Size Description
0.375" OD x 2.25" Stainless steel bolt.
0.375" ID 0.50" OD Teflon flanged sleeve.
0.375" Weld nut.
0.125"x.0.50" Screws.
0.375" Nylock.

ATM Order Shipping Costs:

If applicable you will receive a separate PayPal shipping invoice after placing your order. Inquire for non-US destination shipping costs.

Combining items shipping
Shipping Costs/Quotes
Laminate ring.
Can include other items:
Laminate strips, bolt assembly kit, Teflon pads.
Request shipping quote:
Email address:
Repeat email:
Ring diameter:
Include other items:
Zip code or country:
Laminate strips
Azimuth bolt assembly kit.
These items can be combined.
Teflon pads