Here's a pack of 9 of our CNC machined idler bearing covers for R4 bearings. These snap on over the bearings and allow a 6mm wide GT series timing belt to roll smoothly around these as an idler.
Here's a pack of 9 of our CNC machined idler bearing covers for R4 bearings. These snap on over the bearings and allow a 6mm wide GT series timing belt to roll smoothly around these as an idler.