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4040 Taper Lock Bushings

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4040 Taper Lock Bushings

The bushing is usually an integral unit, while the bearing may have several parts. Simple bushings can be made of brass, bronze or steel. It is often integrated into precision machined parts and helps reduce friction and wear. Typically, bushings are made of brass or bronze, but other materials can also be used. Different designs have different applications, so you should understand what your application requires before purchasing a sleeve.

Dimensions of the 4040 Taper-Lock Bushings

taper lock bushing

  • Bushing Number: 4040
  • Bore: 1"、1/2"、10mm、11/16"、11mm、12mm、13/16"、14mm.....
  • Dimension (A): 5-3/4"
  • Dimension (B): 4"
  • Dimension (D): 5.54"
  • Number Of Set Screws: 3
  • Threads: 5/8"
  • Length: 1-3/4"
  • Dimension (G): 40°
  • Wrench Torque: 1,700 LBS
  • Weight: 21 LBS


1. Clean all oil, dirt, and paint from the shaft, bushing holes, bushing exterior, and bores of components (sprockets, pulleys, etc.).
2. Insert the bushing into the assembly. Match hole patterns, not threaded holes (each hole is threaded on one side only).
3. Thread the set screw or cap screw into the half-threaded hole shown below. Install the assembly on the shaft.
4. Alternately set the torque setting or cap screw* to the recommended torque setting in the table below.
5. Fill all unoccupied holes with grease.

taper lock bushing


1. Remove any retaining or cap screws.
2. Insert the set screw or cap screw into the above hole.
3. To reinstall, complete all five (5) installation instructions.

taper lock bushing

As one of the advantages of tapered lock bushings, it is also a very popular choice among wheel nuts. Unlike standard wheel nuts, tapered lock bushings have longer threads that fit into the grooves. Unlike traditional wheel nuts, which require a lot of thread cutting, tapered lock bushings are closer to the axle. The length of the thread is greater than the actual diameter of the bushing, making it more precise.
Another advantage of tapered locking bushings is that they save inventory. Tapered lock bushings are easier to replace than standard bushings because the hub has tapered bores and requires less expensive finishing. These advantages are outweighed by a number of obvious disadvantages. Nonetheless, these advantages are offset by cost savings associated with lower inventory and assembly times.
Another benefit of tapered lock bushing pulleys is that it enables unskilled workers to obtain a shrink-fit on the pulley coupling and shaft. In addition to being an excellent choice for traction applications, tapered lock bushing pulleys are also valuable in solvent plants for improving the quality and efficiency of plant processes. It also increases the durability of the machine.

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