Related Knowledge
1. Straight Holes vs. Step Holes
For size 16 replacement couplings, two hole structures are commonly seen: straight holes and step holes. The 16A version is normally identified as the straight holes type, while 16AS is commonly identified as the step holes type. Before ordering, an old sample photo or hole close-up should be checked.
2. Vibration in Machinery and Flexible Couplings
In machinery exposed to repeated start-stop loads or engine pulse input, vibration in machinery can be reduced when a highly elastic rubber coupling is used. Torsional shock is damped, noise is lowered, and connected parts are better protected.
3. Rubber Material Properties and Shore Hardness of Rubber
When buyers evaluate rubber material properties, factors such as elasticity, damping ability, heat resistance, and fatigue performance should be considered. Shore hardness of rubber also affects flexibility and vibration absorption, so the correct compound matters in long-term service. Official CF-A element information also lists natural rubber as an element material.
Related Products
- 16AS step hole rubber coupling replacement
- Size 16 rubber coupling element
- Flexible excavator pump coupling
- Flange hub and center hub for coupling assembly
- Rubber vibration mounts
- Anti vibration mounts
- Rubber mounting isolators
- Engine mount bushings
FAQs
Q1: Is 16A the same as 16AS?
No. They should not be treated as the same by default. 16A is generally sold as the straight holes version, while 16AS is generally sold as the step holes version.
Q2: Can this product replace part number 778322?
No, 778322 is a series number for complete CF-A series couplings.
Q3: What benefits are expected from this flexible rubber coupling?
Vibration and shock can be absorbed, noise can be reduced, and certain axial, radial, and angular misalignment can be compensated.
Q4: What should be sent before quotation?
Your machine model, old part number, overall diameter, thickness, hole photos, and whether the coupling is straight holes or step holes should be sent first.
Q5: What material is commonly used in this type of element?
A high-elastic rubber element with metal inserts is commonly used, and official size 16 CF-A element information also lists natural rubber material.









