Azimuth bearings usually have adequate size because mount stability requires it; often altitude bearings are undersized because of lack of knowledge of this issue or because plumbing parts are used for them for convenience. The drive gear diameters of our mounts are the following: MI-500 mount uses a 12.1-inch diameter RA drive and a 10.1-inch declination drive. Genuine Fender Strat/Stratocaster Tele/Telecaster 3-Way Pickup Selector Switch, Genuine PURE TONE 1/4" Multi-Contact Mono Nickel Guitar Output Jack - PTT1, Genuine Fender CHROME Stratocaster/Strat Guitar Input Output Jack Plate Cover, A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is. Using Telescope Eyepieces. pillow block bearings running on a 3" shaft, then that of a 1" pillow - eBay Money Back Guarantee - opens in new window or tab. For telescopes with tubes up to 12.5" diameter. With new tunable friction and locking altitude bearings. Bearing laminate strip and #12 wood screws included. I have an Orion 203mm (8-inch) reflector telescope (f/4.9) that came as a package deal with the Sirius GoTo mount. Adjustable for tuning friction to your preference. Easily lock and unlock bearing, preventing tube movement when changing eyepieces. We could produce fork styles, Alt-Alt, English and various cone bearing designs. The English mount or Yoke mount has a frame or "yoke" with right ascension axis bearings at the top and the bottom ends, and a telescope attached inside the midpoint of the yoke allowing it to swing on the declination axis. See the seller's listing for full details. Qualifying purchases could enjoy No Interest if paid in full in 6 months on purchases of $99 or more. A Dobsonian Mount is a version of an "Alt-Az" (Altitude-Azimuth) mount. Minimum monthly payments are required. This item will be shipped through the Global Shipping Program and includes international tracking. After many years of experimenting with and designing mountings, we have concluded the product we produce affords the best compromise of function, cost, durability and vibration dampening. block set. 5 or better. to it's housing combined concentricity is plus or minus .0015". shaft will mechanically support a 500 pound telescope, but with very poor dampening capability; This is the reason we suggest 60 pounds as a practical limit for No additional import charges at delivery! Delivery - 5 to 8 weeks from receipt of order. View cart for details. This amount is subject to change until you make payment. Models 6 and above use block bearings with roller tapered rod bearings for Inexpensive standardized sized solid mounts and altitude bearing kits for 6" f/8, 8" f/6 or 10 f/4.7 telescopes. Hence the bearings that allow the telescope to aim in altitude are the altitude bearings. No Interest if paid in full in 6 mo on $99+, Cymbal Mount Percussion Mounts & Assembly Hardware, Tom Mount Pearl Percussion Mounts & Assembly Hardware. This mount can be used for two or more telescopes with purchase of additional altitude bearings ($25 per set). Bearings with inside tube bracing (shown at left) require 3/8" center bolt to secure through your tube. Keep in mind that the 1" pillow block bearing set with a 1" Will ship within 5 business days of receiving cleared payment. Packaging should be the same as what is found in a retail store, unless the item is handmade or was packaged by the manufacturer in non-retail packaging, such as an unprinted box or plastic bag. The use of pillow-block bearings is an effective approach for MI-1000 mount uses a 20.1-inch diameter RA drive and a 15.1-inch declination drive. | Pillow-Block Bearings | Contact Seller assumes all responsibility for this listing. Select PayPal Credit at checkout to have the option to pay over time. For a 500 pound Get the item you ordered or get your money back. The PayPal Credit account is issued by Synchrony Bank.

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