[Fot] Calico Coatings

Tue May 14 08:19:45 MDT 2019

#1- I've had all of my bearings treated (Polymer Dynamics Houston Tx) for decades. 
They call out thickness @ .0002-.0004, I usually find about 2/10s (per shell), so it sure does affect clearance.#2- I wouldn't touch the parting faces, unless there were obviously heavy deposits on the ends; it directly affects the crush or grip of the bearings, not so much the housing bore of the bearings dimensionally.

Glen

-----Original Message-----
From: Alexandre Camoletti via Fot <fot at autox.team.net>
To: fot <fot at autox.team.net>
Sent: Tue, May 14, 2019 9:56 am
Subject: [Fot] Calico Coatings

Listers, following the Calico Coatings (main bearings coatings) discussion last year, two questions:  1.The coating adds some thickness (variable on demand but approx. 5-10 microns), does that need to be taken into consideration in the clearance?  2.The coating adds also thickness on the edges of the bearings, this will tend to increase the ID of the fitted bearings. Should the edges be sanded to remove the coating and restore the original ID?  Thanks for your suggestions here!Kind regards from Europe (Geneva, Switzerland)Alex Camoletti  De : Fot [mailto:fot-bounces at autox.team.net] De la part de Tony Drews via Fot
Envoyé : vendredi 19 janvier 2018 04:03
À : Scott Janzen; 'Friends of Triumph' Triumph
Objet : Re: [Fot] Coated Bearing source  I buy my TR-4 tri-metal bearings from BP Northwest and then send them to Calico Coatings for that part.  Not exactly what you're looking for, but Calico Coatings is who I've used for over 10 years and am very happy with.  Just be sure to mail them them Denver North Carolina - I once sent to Denver Colorado instead.  That was a delay of game.https://www.calicocoatings.com/Tony Drews  On 1/18/2018 10:47 AM, Scott Janzen via Fot wrote:
anyone aware of a source for high quality tri-metal engine bearings for the GT6/TR6, preferably already coated, so that I don’t need to subsequently send them out?   Also, recommendations on coatings/vendors who do same?  thanks,Scott

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