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Can you supply other sizes of steel sprockets or chain?

Technobots FAQ » Transmission (Bearings, gears, sprockets & wheels) » Gears / Sprockets / Chain » Can you supply other sizes of steel sprockets or chain? « Previous Next »
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Adam Wilks
Unregistered guest
Posted on Sunday, April 2, 2006 - 8:54 pm:    Edit Post    Move Post (Moderator/Admin Only)

I require a sprocket for an 8mm pitch chain which has an inner diameter of 10mm for the motor arm. A quick check of your Sprocket Dimensions shows that you have them (type 05B-1) but I require an 11 tooth sprocket which isn’t listed. It does say others available so thought I would ask, can you get these? and is their a full list available somewhere?

Thanks.
Admin (Admin)
Board Administrator
Username: Admin

Post Number: 156
Registered: 10-2004
Posted on Monday, April 3, 2006 - 9:26 pm:    Edit Post    Move Post (Moderator/Admin Only)

Adam,

The 11 tooth sprocket with an 8mm pitch is our part number 4211-004 priced at £2.62 each (this size is available from our on-line website). We can get other sizes to special order but can take 4 weeks or longer to get them imported. Now comes the problem for you, the bore size is 7mm but the boss diameter is 18mm, this should give you enough 'meat' to bore out to 10mm leaving a 4mm wall thickness. However, this may not be enough for some fixing methods such as keyways.
Ian C
Unregistered guest
Posted on Monday, May 28, 2007 - 12:30 pm:    Edit Post    Move Post (Moderator/Admin Only)

Hi,i see you sell 6mm steel chain, what about 5mm pitch chain ? If you do not sell it, any idea who might ?

Thanks
Admin (Admin)
Board Administrator
Username: Admin

Post Number: 497
Registered: 10-2004
Posted on Saturday, June 9, 2007 - 3:23 pm:    Edit Post    Move Post (Moderator/Admin Only)

Ian, 6mm is the smallest pitch we supply. The manufacturer we purchase from also does not supply 5mm so we cannot help.
Arf
Unregistered guest
Posted on Sunday, September 13, 2009 - 12:27 pm:    Edit Post    Move Post (Moderator/Admin Only)

Hi,

I am desperately seeking a sprocket, similar to your 08B-1 sprockets, but thinner (I need to use it with a normal bicycle chain). The number of teeth must be either 9, 11 or 13. The pilot bore would ideally be 8mm, no bigger.

Can you help me with this?

Thanks,
Arthur
Admin (Admin)
Board Administrator
Username: Admin

Post Number: 1118
Registered: 10-2004
Posted on Sunday, September 13, 2009 - 9:49 pm:    Edit Post    Move Post (Moderator/Admin Only)

Arthur,

Bicycle chain comes in various sizes but typically in a 1/2" pitch. What we will need to know is the width of the sprocket or the distance between the inner plates of the chain. From this we can try and match up something for you.

 

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