17M-50-49290 17M5049290 SEAL FITS FOR KOMATSU D155A-5 D275A-5D

1. Repair Seal Kit Details

2. Parts on group:

3. 17M-50-49290 PICTURE:


4. SEAL PART NO. FOR KOMATSU :

5. FAQ
Q1. What are the characteristics of PU material?
A1. Polyurethane (PU) is a versatile polymer with a wide range of properties that make it suitable for various industrial and consumer applications. Below are its key characteristics:
(1). Mechanical Properties:
High Elasticity & Flexibility – PU can be formulated to be soft (like foam) or rigid (like plastic);
Excellent Abrasion Resistance – More durable than rubber in high-wear applications;
Good Tensile Strength – Resists tearing and deformation under stress;
Load-Bearing Capacity – Used in shock absorbers, wheels, and structural components.
(2) Chemical Resistance:
Resistant to Oils & Greases – Ideal for seals, gaskets, and hydraulic components;
Moderate Acid/Base Resistance – Handles weak acids/bases but degrades in strong chemicals;
Poor Solvent Resistance – Swells or dissolves in ketones, esters, and chlorinated solvents.

Q2. can you tell me the difference between dust seal PU materal and dust seal rubber material ?
A2. Here is a table to show you their differences of functional:

6. Exhibition & Warehous




Oil seals,Hydraulic Seals, Cylinders Seal Kits, And More

Komatsu D155A-5 oil seal

Komatsu D275A-5D seal kit

heavy equipment oil seals

17M-50-49290 17M5049290 SEAL FITS FOR KOMATSU D155A-5 D275A-5D Images