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AR15.COM
9/20/2025 8:51:43 PM EDT
I need a B/5L cast iron pulley with a 3/4” bore and 2.25”/3.25” OD steps.  

I’m striking out in finding one. Does anyone have any ideas?
9/20/2025 8:58:04 PM EDT
[#1]
Probably easier to know what lathe.
Also, why can't you buy both and mount them together?
9/20/2025 9:03:17 PM EDT
[#2]
Buffalo Power BP-1236

It’s one of those generic Taiwanese lathes from the 1980’s.

I would try it but finding decent quality pulleys of those sizes seems difficult and the shaft on the motor is really short.
9/20/2025 9:12:18 PM EDT
[Last Edit: User55645][Edited] [#3]
Quote History
Originally Posted By Firestarter123:
Buffalo Power BP-1236

It’s one of those generic Taiwanese lathes from the 1980’s.

I would try it but finding decent quality pulleys of those sizes seems difficult and the shaft on the motor is really short.
View Quote

Have you looked to see if Jet, Grizzly, PM, Birmingham, etc have a matching or similar P/N?
9/21/2025 7:57:32 PM EDT
[#4]
Quote History
Originally Posted By User55645:

Have you looked to see if Jet, Grizzly, PM, Birmingham, etc have a matching or similar P/N?
View Quote



Yeah and nobody has the pulley.
9/21/2025 7:59:11 PM EDT
[#5]
I measured more carefully and I need a BK21 and a BK30 pulley.


I found a BK30 but finding the 2.25” 5L pulley w/ 3/4” bore  is looking to be impossible.

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