- Compact type with the hole length is short.
- Bigger eccentricity and declination allowed as hub and space are slipped.
- Less shaft load caused by misalignment, so reduce to force to the shaft.
- Absorbs the angularity which is easy for protrusion
- Absorption vibration and electric insulation
- It is easy to assemble. ( easy replacement)
- Usable temperature is -20°C ~ 80°C