Nice 1600 Series Bearings
Nice 1600 Series bearings are designed for providing adaptation to many precision bearing applications. They are suitable for speeds in the neighbourhood of 5000 RPM
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BOSTON GEAR
Boston Gear is a global leader in manufacturing quality power transmission products. The extensive Boston Gear Products catalogue includes speed reducers, gears, jaw coupling hubs and spiders, shaft collars and air regulators. Read More
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Power Transmission Filter
BearingsView all
Bearing Accessories 
Mounted Bearings 
Sleeve Bearings Spherical Roller Bearings Thrust Bearings 
Thrust Washers Designed to support heavy axial loads and allow rotation between parts for aligning machine components along the shaft axis. Available in 3/8- and 2-inch bore diameters
Speed ReducersView all
Flange Coupling Kit 
Mounting Base Cast-iron / stainless-steel mounting bases for use with Boston speed reducers. Available in worm centre distances ranging between 1 and 3.25 inches
Speed Reducers and Gear Drive Accessories Speed Reducers and Gear Drives Includes a wide range of Boston Gear speed reducers and gear drives offered in helical and worm gear variants with ball or roller bearings. Used in aerospace, marine and food and beverage industries
Couplings Collars and AdaptersView all
Jaw Coupling Hubs Includes Boston Gear coupling hubs and bodies in stainless steel, sintered iron and steel variants. Ideal for uniform to heavy shock loads and variable torque applications
Jaw Coupling Spiders Includes a variety of bronze, polypropylene and rubber jaw coupling spiders for applications requiring different vibration dampening and misalignment handling abilities
Shaft Collars Steel shaft collars featuring a set screw coupling and 1.5 inch bore diameter for locking shafts during power transmission applications in motors and gearboxes
Universal Joints
GearingView all
Gear Racks Includes a variety of steel-made gear racks equipped with up to 7.64 teeth/In. Ideal for steering systems to convert rotational motion into linear motion
Gears Includes spur gears, miter gears and spiral-bevel gears in steel and cast-iron. Available in different bore, hub and outside diameters
About Boston Gear
Boston Gear 700 Series speed reducers feature a case-hardened alloy-steel worm & a shaft design with a large oil reservoir to provide efficient heat dissipation and lubrication. These reducers deliver up to 9603 lb-inch torque and a maximum gear ratio of 60:1. Boston spur gears are designed to transmit motion and power between parallel shafts and are offered in 14.5 and 20-degree pressure angle variants. The 14.5-degree gears provide a higher contact ratio for smooth operation and also prevent backlash errors due to centre-distance between gears.
Things to Consider
Cross-Reference Alternatives
Boston Gear part numbers often cross-reference to various Dayton products. So, if you're looking for a Boston Gear that is either obsolete or out of stock, chances are we have the equivalent item available.
Shipping
These tools are small in size and require compact packaging. They are suitable for courier shipment & air freight.
Major Trade Names
UJAS / UJNL Series BOS-Trong
These joints are composed of two yokes and a centre kit. BOS-trong joints may be purchased assembled, or as separate yokes and centre kits.
RULON 641 Bearings
They are intended to address the persistent issues that plague bearings used in food and pharmaceutical applications. RULON 641 is a virgin PTFE and filler compound designed to meet the requirements o...Read more
Boston Gear Competitive Advantages
Frequently Asked Questions
What are mounted ball bearings?
These deep groove ball bearings are suitable for high radial and thrust loads. They feature machined housing bore and spherical outer race for complete self-alignment.
What are stainless-mounted bearings?
They feature a synthetic lip seal with stainless steel flinger that provides superior protection for high-pressure washdown conditions. These mounted bearings come pre-filled with an NSF H1 food-grade grease and have cast stainless steel housing.
What are helical gears?
Boston standard stock helical gears have a 45-degree helix angle and are used to transmit motion and power between non-intersecting shafts that are parallel or at 90 degrees. They have both right and left-handed options.