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Industrial & Scientific > Power Transmission Products > Couplings, Collars & Universal Joiners > Rigid Couplings > Set Screw Couplings > B004NYAKV8
  1. Boston Gear BF73/8X1/2 Shaft Coupling, Spider Ring (3-Jaw), Coupling Size BF7 , 0.875
    Boston Gear BF73/8X1/2 Shaft Coupling, Spider Ring (3-Jaw), Coupling Size BF7 , 0.875
    Boston Gear BF73/8X1/2 Shaft Coupling, Spider Ring (3-Jaw), Coupling Size BF7 , 0.875
    Image(s) provided for illustrative purposes and may differ from the actual product
  2. Boston Gear BF73/8X1/2 Shaft Coupling, Spider Ring (3-Jaw), Coupling Size BF7 , 0.875" Hub Diameter, 0.500" Driven Hub Bore, 0.375" Driver Hub Bore, 1.219" Max Outer Diameter, 1 horsepower Max HP, 28 pounds per inch Max Torque

    Delivery: 10-20 Working Days
    Price R415.00

Product Description

  • Two 3-jaw coupling halves and one coupling insert for connecting two shafts together
  • Spider ring urethane insert absorbs shock and vibration
  • Powdered metal for resistance to wear and long service life
  • 3/8" x 1/2" bores for connecting shafts of different sizes
  • Keyway and set screw locking for secure attachment
Additional Information

Flexible couplings are used to link two rotating shafts that are not aligned in order to transmit the rotational power, known as torque, from one shaft to the other. Most flexible couplings consist of two hubs and a middle assembly; each hub attaches to a shaft while the middle assembly flexes between the hubs to accommodate the misalignment of the two shafts. Shaft misalignments are generally either parallel or angular and cause complications to transmitting rotational power from one shaft to another in the form of stresses, loads, vibrations, and other forces, which vary from one type of misalignment to another. Flexible couplings are used in a broad range of applications, such as in motor vehicles, conveyors, escalators, agricultural, forestry and mining equipment, aeronautics, robotics and space exploration, among others.

Boston Gear manufactures gears, gear drives, bearings, valves, shaft collars, couplings, and other power and fluid transmission components. The company, founded in 1877, is headquartered in Charlotte, NC, and meets International Organization for Standardization (ISO) standard 9001:2008 standard.


Boston Gear
Boston Gear
Boston Gear
Boston Gear
Boston Gear
Please Note

The authorised South African distributor of this product is under no obligation to honour the manufacture's guarantees/warranties or to provide after-sales service.

Please note that this product is based in the USA, and is designed and labelled to be used in the USA. If the unit is powered and plugs into an electrical socket, we cannot import the unit for you due to local regulations, as a permit is required for electrical goods. Please check with us if you are unsure or need any assistance!

Please also note that certain items cannot be imported, these include Alcohol, Agricultural Remedies, Animals, Batteries, Flammable Materials, Farm Feeds, Currency, Food, Furs, Chemicals, Explosives, Medications, Plants, Poisons, Seeds, Supplements, Nutrients, Pressurized Cans, Tactical Equipment, Vitamins, Weaponry and Weaponry Accessories. In these cases, information displayed above is for reference/informational purposes only and the item will not be imported. All content is generated and displayed from an automated USA product feed, and if the item cannot be imported for any reason, including carrier restrictions and/or import or sales restrictions under South African or American law, we do reserve the right to cancel and refund the order in full. If you are not sure if we are permitted to bring in an item, please send us an e-mail with a link to the item to confirm.

Please also ensure that you are ordering the correct item for your particular application as returns to the USA are costly. Product reviews are also provided for most of our items, which can give you a good idea for possible things to look out for and the quality of the item. By clicking Add to Cart, you are confirming that the item is correct and you accept the conditions listed here.