You want your excavator pump coupling to work well. 90A hardness is the usual choice for this part. It gives both strength and flexibility. YNF Rubber’s YNF‑02695 90A Round-Type Flexible Rubber Coupling is a good example. This standard works in real machines. You get a part that lasts long and reduces shaking. It also fits OEM systems well. These things help your excavator run smoothly in hard jobs.
Key Takeaways
90A hardness gives both strength and flexibility for excavator pump couplings. This helps the coupling last long and work well under pressure.
A coupling with 90A hardness lowers vibrations and shocks. This keeps your equipment safe and makes the operator more comfortable during long work hours.
The YNF‑02695 coupling fits OEM systems very well. It is easy to install and saves you time and effort on repairs.
A strong coupling like the YNF‑02695 needs less maintenance. Your excavator can work longer without sudden breakdowns.
Picking the right coupling can make power transmission better. This helps your excavator run smoothly and work well in hard conditions.
90A Hardness Performance
Flexibility and Rigidity
When you choose a coupling for your excavator pump, you want a part that bends just enough but stays strong. 90A hardness gives you this balance. The material feels firm when you press it, but it still flexes under load. This means the coupling can handle twisting forces without breaking or becoming too soft.
Flexibility: You need some give in the coupling. This helps absorb small movements and misalignments between the pump and the engine. If the coupling is too hard, it can crack. If it is too soft, it will not hold the parts together well.
Rigidity: You also need strength. The coupling must keep the pump and engine connected, even when the machine works hard. 90A hardness keeps the coupling from stretching or deforming under pressure.
The YNF‑02695 90A Round-Type Flexible Rubber Coupling shows how this works in real life. You get a part that bends enough to protect your pump but stays strong enough to last through tough jobs.
Power Transmission
You want your excavator to deliver power smoothly from the engine to the pump. 90A hardness helps make this possible. The coupling transfers force without slipping or losing energy. This means your machine works efficiently every time you start it.
The YNF‑02695 coupling uses high-grade polyurethane and rubber. This material choice, combined with 90A hardness, lets the coupling grip both shafts tightly. You get steady power flow, even when the load changes.
With the right hardness, the coupling does not waste energy. It does not absorb too much force, so more power reaches the pump. This helps your excavator dig, lift, and move with less effort.
A table can help you see the benefits:
Feature | Too Soft | 90A Hardness | Too Hard |
|---|---|---|---|
Flexibility | High | Balanced | Low |
Rigidity | Low | Balanced | High |
Power Transfer | Poor | Excellent | Good |
Service Life | Short | Long | Medium |
You can see that 90A hardness gives you the best mix of features. The YNF‑02695 coupling from YNF Rubber uses this standard to help your excavator work better and last longer.
Durability and Wear Resistance
Long Service Life
You want your excavator to work well for a long time. The pump coupling’s material is very important. If you pick a coupling with 90A hardness, it can handle lots of use. This polyurethane and rubber do not get cut or scratched easily. Dirt and grit do not damage it much. You do not need to worry about it breaking fast.
The YNF‑02695 90A Round-Type Flexible Rubber Coupling uses strong materials. It keeps its shape and does not get weak, even after many hours. You can count on it to last through heavy work. This means you do not have to buy new parts often.
Tip: A tough coupling lets your excavator work longer. You will not have surprise breakdowns. Your projects can finish on time.
Maintenance Reduction
You want to fix your machine less often. A strong coupling that does not wear out helps you do this. The YNF‑02695 coupling works well in mud, rocks, and hot or cold weather. It does not crack or slip, even when things get rough.
Here is what you get with a good coupling:
You do not need to replace it as much
You spend less time fixing your machine
You save money on repairs
Benefit | With YNF‑02695 Coupling | With Standard Coupling |
|---|---|---|
Service Life | Long | Medium |
Maintenance Frequency | Low | High |
Resistance to Damage | Excellent | Average |
A coupling with 90A hardness keeps your pump and engine safe. Your excavator keeps working well, and you save money. YNF Rubber gives you a part you can trust for hard jobs.
Vibration and Shock Absorption
Equipment Protection
When you use your excavator, the pump and engine create a lot of movement. This movement can cause strong shocks and vibrations. If you do not control these forces, they can damage your equipment. A coupling with 90A hardness helps you solve this problem. The material absorbs torsional shocks and reduces vibration. This means the pump shaft and engine stay safe, even when the machine works hard.
You want your equipment to last. The YNF‑02695 90A Round-Type Flexible Rubber Coupling protects the pump shaft from sudden jolts. It acts like a cushion between the engine and the pump. This cushion effect keeps metal parts from hitting each other. Your pump and engine will not wear out as fast. You get longer life from your equipment.
Note: Using a quality coupling helps you avoid costly repairs. You keep your excavator running strong, even in tough conditions.
Operator Comfort
Vibration does not just hurt machines. It also affects you and your team. When you sit in the cab, you feel every shake and jolt. Too much vibration can make you tired. It can even cause health problems if you work for many hours.
A good coupling reduces these vibrations. The YNF‑02695 coupling makes the ride smoother. You feel less shaking in the cab. This means you can work longer without getting tired. You also make fewer mistakes because you stay comfortable and alert.
Less vibration means:
More comfort for you
Fewer breaks needed
Less downtime for repairs
You save time and money. Your team stays happy and healthy. With the right coupling, you protect both your machine and the people who use it.
Compatibility and Standards
OEM Fit
You want your excavator pump coupling to fit just right. If it fits well, you will not have trouble putting it in. When you pick a coupling made for systems like CF-A-90, it matches the original part. You do not have to change anything or fix it to make it work. This saves you time and hard work.
YNF Rubber makes the YNF‑02695 90A Round-Type Flexible Rubber Coupling to meet OEM rules. You can put it in your machine without any problems. The coupling fits your excavator with no extra steps. You do not need special tools or extra help. This means your excavator can keep working without waiting.
Tip: Always make sure your coupling matches OEM parts before you buy. This helps your machine run well and keeps it safe.
Application Range
You want a coupling that works in many excavators. The YNF‑02695 coupling fits lots of different machines. You can use it with Caterpillar, Kobelco, and Kato excavators. This is helpful if you have more than one brand.
Here is a table that shows where you can use the YNF‑02695 coupling:
Excavator Brand | Compatible Models |
|---|---|
Caterpillar | Hydraulic pumps |
Kobelco | Hydraulic drives |
Kato | Pump systems |
You get more choices when you use a coupling with 90A hardness. It works in many places and can handle hard work. YNF Rubber gives you a strong part for all your machines. You do not have to look for a new coupling for every machine.
Note: Using one coupling for many machines saves you money and time. Your equipment will always be ready to use.
You want your excavator to work hard and last long. Choosing 90A hardness for your pump coupling gives you the best mix of strength, flexibility, and protection. The YNF‑02695 coupling from YNF Rubber stands out as a top choice. You get strong performance, less wear, smooth operation, and a perfect fit for many machines. Trust YNF Rubber for reliable, long-lasting results.
FAQ
What does 90A hardness mean for a coupling?
90A hardness shows how firm the rubber or polyurethane feels. You can press it with your finger, and it will feel solid but still bend a little. This level works well for excavator pump couplings.
Can I use the YNF‑02695 coupling in cold or hot weather?
Yes, you can. The YNF‑02695 coupling works from -30°C to +90°C. You get reliable performance in both freezing and hot conditions.
How do I know if the YNF‑02695 coupling fits my excavator?
Check your machine’s manual for the coupling type. If it uses a CF-A-90 system or matches the size, the YNF‑02695 will fit. You can always ask YNF Rubber for help.
Why should I choose YNF Rubber for my pump coupling?
YNF Rubber offers high-quality, OEM-fit couplings. You get strong, long-lasting parts that protect your equipment. The company supports you with expert advice and reliable products.
How does a 90A hardness coupling reduce vibration?
The 90A hardness material absorbs shocks and dampens vibration. This keeps your pump and engine safe. You feel less shaking in the cab, which makes your work more comfortable.
