Power Transmission Products
Optimized & Industry-ready Solutions
Leading Provider of Power Transmission Products
Founded in 1948, Bay State Bearings has built a reputation as a trusted distributor of high-quality bearings and power transmission products across New England. With decades of experience, we supply the components that keep industries moving—from bearings, sprockets, and couplings to belts, chains, and gearboxes. Our team partners with top manufacturers to deliver reliable solutions, backed by local expertise and responsive service.
Expert Guidance















What We Offer
Bearings
Premium bearings, ready for immediate shipment from our warehouses. We keep the critical sizes you need on the shelf and ready to move.
- Ball Bearings
- Ceramic Coated Bearings
- Cylindrical Bearings
- Needle Bearings
- Roller Bearings
- Taper Bearings
Mounted Bearings and Inserts
Through our subsidiary Bay State Bearings, we offer a full range of mounted bearing units and inserts to meet demanding industrial applications. Whether you’re replacing worn components or stocking for service, we have the right solution — ready to ship.
- Pillow Block Bearings
- Flange Block Bearings
- Cartridge Units
- Take-Up Bearings
- Hanger Unit Bearings
- Cylindrical and Spherical
- Insert Bearings
Seals, Gaskets, and O-Rings
We stock a wide range of seals, gaskets, and O-rings to keep your equipment leak-free and running smoothly. Whether you’re dealing with fluids, gases, or harsh environments, we provide sealing solutions that stand up to the job.
We stock common sizes and can source specialty sealing products for pumps, motors, gearboxes, and more.
- Oil seals and shaft seals
- O-rings in standard and metric sizes
- Flange and pump gaskets
- Gasket materials and kits
- Speedi-Sleeves, wear sleeves, and seal installation tools
Belt Drives, Chain Drives & Accessories
Full range of belt drives, chain drives, and related components to keep your equipment running smoothly, efficiently, and with minimal downtime. Whether you’re replacing worn components or building new systems, we keep the critical sizes you need on the shelf and ready to move.
Belt Drives
- V-belts
- Synchronous/timing belts
- Variable speed belts
- Banded belts
- Idlers and tensioners
- Sheaves and pulleys
Chain Drives
- ANSI roller chains (single, double, triple)
- Heavy-duty and corrosion-resistant chains
- Leaf chains, engineering-class chains
- Sprockets, bushings, and hubs
- Chain tensioners and guides
Accessories & Components
- Belt and chain tensioners
- Shaft bushings and locking devices
- Keyless hubs
Gears and Gearboxes
We supply a wide range of industrial gears and gearboxes engineered for reliable power transmission, speed reduction, and torque control in demanding applications.
Whether you’re building new systems or replacing worn components, we stock proven solutions from trusted brands — ready to handle high loads, harsh environments, and continuous-duty cycles.
- Helical, spur, and bevel gears
- Shaft-mounted gear reducers
- Inline and right-angle gearboxes
- Worm gear drives
- Planetary gearboxes
- Open gearing and custom gear sets
