25A size 25 pump coupling replacement for Centaflex-A CF-A-025-0S

size 25 flexible rubber coupling for excavator hydraulic pump drive

25A flexible pump coupling with vibration damping performance

CF-A-025-0S flexible coupling replacement for construction machinery

size 25 rubber coupling element for engine to pump connection

excavator spare parts 25A flexible coupling replacement

anti vibration pump drive coupling size 25 for heavy equipment

industrial flexible rubber coupling size 25 for hydraulic pump systems

25A Size 25 CF-A-025-0S Pump Coupling Replacement for Centaflex-A CF-A-025-0S Flexible Coupling

Size 25 flexible pump coupling for excavator hydraulic pump drives, providing vibration damping, steady torque transfer, and dependable aftermarket replacement.

Torsional vibration and start-up shock can be effectively reduced during operation.
Stable torque transmission can be maintained while drive noise is lowered.
Axial, radial, and angular misalignment can be better compensated.
Pumps, shafts, hubs, and bearings can be better protected from impact load.
Photo checking, dimension confirmation, and bulk order support can be provided for B2B purchasing.

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25A Coupling Description

The 25A size 25 pump coupling is designed to be used as a dependable replacement for buyers sourcing Centaflex-A CF-A-025-0S flexible coupling solutions. A highly elastic rubber element is used so vibration, shock load, and transmission noise can be reduced during engine-to-pump operation. Moderate axial, radial, and angular deviation can also be absorbed, helping the connected pump, hub, shaft, and bearing system to be better protected. For excavator parts distributors, machinery rebuilders, and OEM purchasing teams, repeat fit consistency is usually valued more than one-time low pricing. In aftermarket searches, the item is often searched as 25A, while the formal configuration is commonly shown as CF-A-025-0-S / Type 0-S. For that reason, old-part photos, key dimensions, and hole or pin structure should be checked before shipment is released. This product can be grouped with our [flexible rubber coupling], [pump coupling replacement], [excavator coupling], and [anti vibration rubber parts] pages for stronger internal keyword coverage and clearer category navigation.

25A Technical Data Sheet

Item	Specification
Product Name	25A Size 25 Flexible Pump Coupling
Search Model	25A / Size 25 / CF-A-025-0S
Configuration Reference	Type 0-S
Replacement For	Centaflex-A size 25 flexible coupling applications
YNF No.	YNF-CFA25A-025
Product Category	Flexible Rubber Coupling / Pump Coupling
Coupling Size	25
Structure Type	0-S / Pin Type
Outer Diameter	Approx. 170 mm
Width	Approx. 46 mm
Reference Inner Diameter	Approx. 85 mm
Reference PCD	Approx. 140 mm
Fastener Size / Qty	M14 / 3 pcs
Nominal Torque	Approx. 0.315 kNm / 315 Nm
Maximum Torque	Approx. 0.875 kNm
Continuous Vibratory Torque	Approx. 0.125 kNm
Permissible Power Loss	Approx. 68 W
Element Material	Natural rubber element
Shore Hardness	60 Shore
Installation Position	Engine to hydraulic pump / flexible drive connection
Applicable Equipment	Excavators, hydraulic pumps, compressors, generator sets, industrial machinery
Operation Document	Dimension confirmation, installation guidance, and shipment photo support can be provided
Brand	YNF
Place of Origin	China
MOQ	1 Piece
Packaging	Neutral packing or YNF standard packing
Shipping Method	Express, air freight, sea freight
Payment Method	T/T, PayPal, Western Union
Lead Time	To be confirmed by order quantity

Get Free Quote for 25A

If you are sourcing a 25A size 25 pump coupling for replacement stock, repair service, or machine assembly, a lower-risk purchasing process can be arranged by YNF. Old-part photos, key dimensions, and quantity requirements can be reviewed before shipment is released, so mismatch risk can be reduced. For distributors, repair workshops, and machinery manufacturers, stable supply, flexible packing, and responsive quotation support can be provided. Your destination market, shipping preference, and repeat-order demand can also be recorded in advance, so future purchasing can be made easier and faster. Send your inquiry now, and your 25A / size 25 / CF-A-025-0S requirement will be reviewed by our team.

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25A Coupling Applications

Application Field	Typical Connection	Buyer Value
Excavators	Engine to hydraulic pump drive	Vibration can be reduced and pump drive stability can be improved
Construction machinery	Flexible drive connection	Shock load can be softened and downtime risk can be lowered
Compressors	Motor or engine to compressor drive	Connected shafts and hubs can be better protected
Generator sets	Engine to driven unit	Smoother torque transfer can be achieved
Industrial pump systems	Shaft-to-pump flexible transmission	Maintenance replacement can be simplified
General machinery	Torsionally soft drive systems	Repeat sourcing for service stock can be supported

25A Coupling Detail Display

More Information

Related Knowledge

1. Why 25A and CF-A-025-0S are searched together
In aftermarket purchasing, buyers often search by a short commercial model such as 25A, while the formal configuration is shown as CF-A-025-0-S. Both search styles appear in public market listings, so both should be covered on the page.

2. Why 0 and 0-S should not be mixed
Public identification guidance states that Type 0 and Type 0-S can look very similar after assembly, and buyers are advised to confirm the required type before ordering replacement rubber elements. This is important for reducing sourcing mistakes and avoiding installation delay.

3. Why size 25 dimensions should be checked before order
For this platform, outside diameter, width, PCD, and the element structure are usually checked first. These dimensions can be used for first-round verification before sample approval or mass supply is arranged.

FAQs

Q1: Can 25A and CF-A-025-0S be used as the same search reference?
Yes. In public aftermarket listings, 25A is commonly used as a search model, while CF-A-025-0-S is used as a formal configuration reference. For safer purchasing, the old part, dimensions, and structure should still be confirmed.

Q2: Is this coupling suitable for excavator hydraulic pump drives?
Yes. This model in excavator pump-drive replaces scenarios, including applications associated with Hitachi EX50/EX55/EX100/EX200-3, Kobelco SK100-3, Komatsu PC40-5, and Sumitomo SH75.

Q3: What information should be sent for faster quotation?
Old-part photos, outer diameter, width, structure details, machine model, required quantity, and destination country should be sent together.

Q4: What is the common hardness for this model?
Public size-25 references commonly show 60 Shore for CF-A-025-0-S listings.

Q5: Can sample supply be arranged before bulk purchase?
Yes. Sample checking can be arranged first so compatibility can be reviewed before a bulk order is released.

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