Customer comments and photos.


6" imaging Newtonian
extended back end.
GSO - Apertura - TPO

Includes imrpoved mirror cell,
eliminates mirror clip flares

ATM Altitude and Azimuth
Bearing Parts

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


Image Sharpening Masks

Primary:Fix Turned Down Edge.
Aperture: Eliminate spider spikes.

Primary: Removes mirror clip flare.
Spider: stops diffraction 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.

The Bearing Works
$101.00 plus shipping.
Complete Dobsonian altitude and azimuth parts kit.
Make your selections and Submit Order to receive a PayPal invoice including shipping.
You may request a shipping quote here.

Kits include:
Azimuth bearing
Rocker box bottom board
  Top of board:
  (1) Center bolt: 3/8" x 2" stainless steel.
  (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 23.4" 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 23.4" 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. Drilled 3/8" center bolt holes.
Size /bearing /quantity

Azimuth Bolt Assembly Kits
$25 plus shipping

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.

Shipping Costs:

A separate PayPal shipping invoice will be sent after your order is received. Inquire for non-US destination shipping costs.

Combine these items
Shipping Cost
Laminate Ring Shipping Quotes
Laminate ring.

Laminate strips.

Azimuth bolt assembly kit.

Teflon pads.
Laminate strips.
Azimuth bolt assembly kit.
Teflon pads.

Asimuth bolt assembly kit.
Teflon pads.

Teflon pads.
Varies by desitination.
Request quote
at right.



Email address:
Repeat email:
Ring diameter:
Include other items: Laminate strips
Teflon pads
Azimuth bolt assembly kit
Zip code or country: