The upper bearings stop the blade from twisting and the lower bearing supports the back of the blade. I set the upper bearings so they just contact the blade and keep the lower bearing slightly behind the blade so it only makes contact during a cut. I don't recall the cost of the bearings but I don't think they were more than about $5.00 apiece. Proxxon Micro Band Saw And Accessories Are Used For Commercial And Industrial Workshops. Micro Band Saw housing is constructed of ribbed, die-cast aluminum with a sturdy machined table for long lasting durability. Table tilts up to 45° for flexibility and accurate miter sawing. Re: Bandsaw, Guide Blocks/Guide Bearings? Have had some problems with buildup using green wood on the bandsaw, can't recall which species were worst. When it is an issue I take the blade off, coil it and stick it in a bucket with washing soda for a quick soak then light scrub with a toothbrush or similar. Band Saw Guide Upgrade Kits Carter Products offers band saw guide conversion (retrofit) kits for many popular saws. These kits typically include the upper and lower guides, upper and lower mounting brackets, studs, screws, and (if appropriate) a guard adapter bracket. The other day as I was getting ready to start on a batch of knife blanks, I noticed my bandsaw was cutting curves. And only curves. I had a failed guide bearing. Luckily changing them out is easy Grizzly Industrial®, Inc. is a national retail and internet company providing a wide variety of high-quality woodworking and metalworking machinery, power tools, hand tools and accessories. By selling directly to end users we provide the best quality products at the best price to professionals and hobbyists. The Diamond band saw BS230 XY is a well appointed laboratory machine The diamond band saw BS230 XY impresses with its compact design The machine is equipped with band guiding on ball bearings. The band-saw for metal cutting The required band linear velocity is obtained by cha