90A coupling YNF‑02695 for excavator pump

Round-type 90A flexible rubber coupling close-up

Shock‑absorbing module for hydraulic systems

CF-A-90 style 90A coupling insert YNF‑02695

90A Round‑Type Flexible Rubber Coupling Element – YNF‑02695

90A grade rubber coupling for excavator pumps, ensuring smooth torque transmission and vibration damping.

Crafted from high-grade 90A polyurethane/rubber for exceptional wear resistance
Round-type design compatible with CF-A-90 coupling systems, ensures OEM-fit accuracy
Absorbs torsional shocks and protects pump shafts under load
Direct drop-in replacement—no machining required
Extends service life and reduces maintenance downtime

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Product Description

The YNF‑02695 90A Round‑Type Flexible Rubber Coupling delivers dependable power transmission in excavator pump and hydraulic drive applications. Ideal for dampening torsional vibrations, it safeguards rotating shafts and improves machine reliability. Compatible with standard CF‑A‑90 coupling hubs (often used in Caterpillar, Kobelco, and Kato excavators) . This coupling element is engineered for easy press-fit installation and long-term performance in harsh environments. OEM-quality design ensures straightforward maintenance and consistent equipment uptime.

90A Flexible Coupling Technical/Data Sheet

Parameter	Specification
Element Type	90A Round-Type Flexible Rubber Coupling
YNF Code	YNF‑02695
Material	90A hardness polyurethane/rubber
Compatible Couplings	CF‑A‑90 series
Function	Vibration damping, torque transmission
Operating Temp Range	–30 °C to +90 °C
Installation Fit	Press-fit into coupling flange bore
Origin	China
Brand	YNF Rubber
MOQ	10 pieces
Shipping	Sea or air freight
Payment Terms	T/T, L/C

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YNF‑02695 offers OEM-quality performance at a competitive price. It protects your hydraulic pump and engine from vibration damage, extends service intervals, and ensures smooth operation. Ideal for rental fleets, workshops, and industrial equipment teams. Contact us for a free quote and technical guidance.

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Products Categories

Flexible Rubber Couplings

CF-H Couplings

CF-A Couplings

FLANGE Couplings

Spline Hubs

Gear Hubs

S Series Couplings

KY Series Couplings

CB Series Couplings

TFC Couplings

Damper

Clutch

KE Series Couplings

YC Series Couplings

GC Series Couplings

Rubber Blocks

J Series Couplings

HRC Couplings

NM Couplings

HEX Couplings

Flexmaster System (Hose Coupling)

Rubber Mounts

FOR BREAKERS / COMPACTORS

EXCAVATOR ENGINE MOUNTS

EXCAVATOR CAB SHOCK ABSORBER

Cylindrical Bobbins

Captive Transit Mountings

Rubber Hoses

Radiator Water Hose

Intake Manifold

Bypass Hose (Water Pump Hose)

Oil-Proof Hose

Other Hoses

Hose Clamps

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By Brands

for Bobcat machines

for Case machines

for Caterpillar machines

for Doosan / Daewoo machines

for Hitachi machines

for Hyundai machines

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for TAKEUCHI machines

for Volvo machines

for Yanmar machines

for Terex machines

for Air Compressor

for Kobelco machines

for JCB machines

for Kato machines

for New Holland machines

for Dynapac machines

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Flexible Coupling Applications

Application Sector	Description
Excavator Hydraulic Drives	Between pump and engine—reduces torsional stress
Industrial Machinery	In compressors, generators, and gearbox power links
Heavy Equipment Repair	Fast replacement solution for maintenance workshops
Pump Drive Systems	Safeguards shafts in fluid-power applications

90A Coupling Detail Display

More Information

Knowledge Base

Why 90A hardness is optimal for excavator pump coupling applications
How flexible couplings extend shaft and bearing service life
Routine inspection tips for coupling wear and alignment

Related Products

Coupling Assy 90AS (Centaflex CF‑A‑90): complete assembly alternative
Coupling Assembly 90A: heavy-duty version

FAQs

Is this rubber coupling compatible with CAT and Kobelco excavators?
Yes—especially models using the CF‑A‑90 series coupling flange.
What is the lead time?
Samples in 7 days; sea freight 30–45 days; air freight 7–10 days.
Can you supply completed coupling assemblies?
Yes, we offer full 90A assemblies as shown in related products.