ShopProduct Outside Diameter3.79" - 3-51/64"
3.79" - 3-51/64"
Shop Online 
- Electric Motors
- Motor VFD Drives
- Sprockets
- Roller Chain
- Bushings
- V-Belts
- Timing Belts
- Sheaves & Pulleys
- Couplings & Collars
- Ball Bearings
- Tapered Roller Bearings
- Cam & Yoke Roller Bearings
- Mounted Bearings
- Key Stock
- Round & Hexagon Shafts
- Lubricants
- Universal Joints & Yokes
- Engineering Class Chain
- Spur Gears
- Gear Racks
- Belt Fasteners
- Conveyor Belts
Browse All Products
EXCELLENTTrustindex verifies that the original source of the review is Google. Upon needing a special pulley application for a engine conversion on a piece of machinery, I found MDS had all of the bushings and pulleys that I needed to make a perfect fit and get the machine up and running. The order came in very timely manner, and packaging was perfect. I recommend this company to anyone needing good service and availability. Thanks to them everything went smoothly on my Machine repair.Posted on GoogleTrustindex verifies that the original source of the review is Google. Great product. Just as described. This company cares about the quality of their products and there servicePosted on GoogleTrustindex verifies that the original source of the review is Google. The parts I needed were in stock and shipped out quickly to complete my repairs on time. I would definitely recommend and buy from them again.Posted on GoogleTrustindex verifies that the original source of the review is Google. I was extremely happy with the pricing and quality of the gears I ordered. Shipping was fast, got them sooner than expected.Posted on GoogleTrustindex verifies that the original source of the review is Google. Sprockets arrived on time, well packaged. Sent to a remote address no problem. Worked great.Posted on GoogleTrustindex verifies that the original source of the review is Google. Second time I have ordered from them. They send what you order and their measurements are correct.Posted on GoogleTrustindex verifies that the original source of the review is Google. We had a slight hiccup with the order, but Noah came through like a true champion. This is the epitome of great customer service!Verified by TrustindexTrustindex verified badge is the Universal Symbol of Trust. Only the greatest companies can get the verified badge who has a review score above 4.5, based on customer reviews over the past 12 months. Read more
