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Roller chain, Cletrac


RMS
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Hi all, 

Bit a strange one this! I need some roller chain for a Cletrac winch but it would appear to be a very odd size!  

dimensions are 

1" pitch, 9/16 roller, 5/8 wide

 

so far it has stumped my local suppliers , so any suggestions would be great. 

 

Thanks

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13 hours ago, RMS said:

Hi all, 

Bit a strange one this! I need some roller chain for a Cletrac winch but it would appear to be a very odd size!  

dimensions are 

1" pitch, 9/16 roller, 5/8 wide

 

so far it has stumped my local suppliers , so any suggestions would be great. 

 

Thanks

Have you contacted  RENOLD  or sifted through their on-line catalogue.   First blush the size would appear quite off-shelf for transmission ,  this type of chain also used on lifting blocks & will be proofed.

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10 hours ago, ruxy said:

Have you contacted  RENOLD  or sifted through their on-line catalogue.   First blush the size would appear quite off-shelf for transmission ,  this type of chain also used on lifting blocks & will be proofed.

yep have been through the catalogues and been to the local dealers, the problem is the 9/16 roller diameter standard roller diameter for 1" pitch is nearer 5/8. also the height of the chain links is much lower, than standard, its a very strange chain! 

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It may be worth consulting with a fork-truck specialist who deals with all makes / ages  inc. those of USA origins such as Hyster.  Not so common now but much of this construction was used on early trucks ,  the larger dia. may have been better over small dia. mast pulleys  ?

It could even have a use for boom section extension on telescopic cranes.

Renold was/is big but by no means having a monopoly , still worth asking their Technical Dept for opinion.

I doubt if it is so special ,  chain of this type used to be imported from Czechoslovakia into UK by the mile - a BIG importer was actually  ISO-Speedic.

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On 6/17/2021 at 7:39 AM, RMS said:

Hi all, 

Bit a strange one this! I need some roller chain for a Cletrac winch but it would appear to be a very odd size!  

dimensions are 

1" pitch, 9/16 roller, 5/8 wide

 

Hi Barry,

Here are the American Standard chain sizes;

https://www.usarollerchain.com/American-Standard-Roller-Chain-s/5388.htm

A thought struck me that the roller diameter may be worn and originally 5/8" diameter, if so then it is listed on the link here.

regards, Richard

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Thanks for all the replies,  As Chris Mentioned above its an obsolete chain that was used on winch drives  by the USA. thankfully i have found a guy with some used chain. 

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