Guangzhou Opal Machinery Parts Operation Department
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Ability | 1000Pcs |
| Delivery Time | Within 5-15 days after getting your desposit |
| Packaging Details | PP Bag Inside,Carton Box Outside |
| PART NO. | 17M-50-49290 |
| Seal type | SEAL,DUST |
| Material | Steel and PU |
| Function | Prevent dust, dirt, water, and debris from entering the axle assembly |
| Pressure Range | 0-0.5MPA |
| Certificate | ISO9001 |
| Temperature | -10~+120℃ |
| Service | OEM and ODM |
| Color | BLACK |
| Brand Name | OUB |
| Model Number | 17M-50-49290 |
| Place of Origin | China |
View Detail Information
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Product Specification
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram | Supply Ability | 1000Pcs |
| Delivery Time | Within 5-15 days after getting your desposit | Packaging Details | PP Bag Inside,Carton Box Outside |
| PART NO. | 17M-50-49290 | Seal type | SEAL,DUST |
| Material | Steel and PU | Function | Prevent dust, dirt, water, and debris from entering the axle assembly |
| Pressure Range | 0-0.5MPA | Certificate | ISO9001 |
| Temperature | -10~+120℃ | Service | OEM and ODM |
| Color | BLACK | Brand Name | OUB |
| Model Number | 17M-50-49290 | Place of Origin | China |
| High Light | Komatsu D155A-5 oil seal ，Komatsu D275A-5D seal kit ，heavy equipment oil seals | ||
1. Repair Seal Kit Details
| Part NO | 17M-50-49290 |
| Machine | Komatsu D155A-5 D275A-5D |
| Size | OEM |
| Material | NBR |
| Seal type | SEAL |
2. Parts on group:
| NO. | PART NO. | PART NAME | QTY |
| 17A-30-00320 | TRACK FRAME ASSEMBLY | 1 | |
| 1 | 17A-30-11412 | FRAME ASSEMBLY | 1 |
| 2 | 17A-30-11541 | SUPPORT (WELDED) | 1 |
| 3 | 17A-30-11671 | SUPPORT (WELDED) | 1 |
| 4 | 17A-30-11211 | PLATE (WELDED) | 1 |
| 5 | 17A-30-11221 | PLATE (WELDED) | 1 |
| 6 | 17A-50-11120 | BUSHING | 1 |
| 7 | 17A-50-11130 | BUSHING | 1 |
| 8 | 17A-50-12431 | BUSHING | 1 |
| 9 | 17M-50-49290 | SEAL | 1 |
| 10 | 17A-50-12351 | CAGE | 1 |
| 11 | 01010-81230 | BOLT | 2 |
| 12 | 01643-31232 | WASHER | 2 |
| 13 | 428-54-11480 | PLATE | 1 |
| 14 | 01010-81640 | BOLT | 2 |
| 15 | 01643-31645 | WASHER | 2 |
| 16 | 17A-30-17272 | GUARD | 1 |
| 17 | 01010-82250 | BOLT | 5 |
| 18 | 01643-32260 | WASHER | 5 |
| 19 | 01010-82260 | BOLT | 2 |
| 20 | 01643-32260 | WASHER | 2 |
| 21 | 17A-30-17251 | GUARD | 1 |
| 22 | 17A-30-17261 | GUARD | 1 |
| 23 | 01010-82275 | BOLT | 12 |
| 24 | 01643-32260 | WASHER | 12 |
| 25 | 01011-82005 | BOLT | 4 |
| 26 | 01643-32060 | WASHER | 4 |
| 27 | 195-50-22990 | PLUG | 1 |
| 28 | 07020-00000 | FITTING,GREASE | 1 |
| 29 | 17A-30-12241 | GUIDE PLATE ASSEMBLY | 2 |
| 30 | 155-30-13230 | SPRING | 4 |
| 31 | 195-30-17960 | PLATE | 4 |
| 32 | 01016-51260 | BOLT | 4 |
| 33 | 01643-31232 | WASHER | 4 |
3. 17M-50-49290 PICTURE:
4. SEAL PART NO. FOR KOMATSU :
| PART NO. | Part NO. | Part NO. |
| 17M-50-49290 | 17M-54-44520 | 17M-54-47120 |
| 17M-54-26221 | 17M-54-44530 | 17M-54-47130 |
| 17M-54-26230 | 17M-54-44580 | 17M-54-47140 |
| 17M-54-25640 | 17M-54-44610 | 195-63-94170 |
| 17M-50-49290 | 17M-54-45621 | 17M-50-25140 |
| 17M-50-25151 | 17M-54-45661 | 17M-50-25130 |
| 17M-50-25150 | 17M-54-47110 | 07016-21109 |
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:
| Feature | PU Dust Seal | Rubber Dust Seal |
| Sealing Effectiveness | Better for dynamic, high-wear applications | Better for static/low-friction seals |
| Lifespan | Longer in abrasive environments | Shorter under heavy wear |
| Cost | Higher (due to performance benefits) | Lower (economical for general-purpose use) |
| Installation | May require precise fit (stiffer material) | Easier to install (more flexible) |
6. Exhibition & Warehous
Oil seals,Hydraulic Seals, Cylinders Seal Kits, And More
Company Details
Business Type:
Manufacturer,Trading Company
Year Established:
2005
Total Annual:
1500000-2500000
Employee Number:
>50
Ecer Certification：
Verified Supplier
Guangzhou OUB Machinery Equipment Co.,Ltd since its inception in 2004, has been engaged in hydraulic seals business of excavators, loaders, bulldozers,breaking hammers and other seals have in-depth study. Through more than 15 years of efforts, OUB has accumulated a large number of domestic, imported... Guangzhou OUB Machinery Equipment Co.,Ltd since its inception in 2004, has been engaged in hydraulic seals business of excavators, loaders, bulldozers,breaking hammers and other seals have in-depth study. Through more than 15 years of efforts, OUB has accumulated a large number of domestic, imported...
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