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RITO Pump Bearing 4410050 4410050 EX200-5 Hydraulic Pump Bearing Assembly EX200-2 EX200-3 HPV102 Excavator Main Pump Roller Bearings

Experiencing heavy main pump vibration or worrying internal metal shaving contamination? The 4410050 roller bearing assembly supports high-speed shaft rotation with minimal rolling resistance. Essential for EX200-2, EX200-3, EX200-5, and HPV102 main pumps.

  • Item NO.:

    4410050
  • Order(MOQ):

    1
  • Payment:

    T/T, WESTERN UNION, CHINESE BANK,PAYPAL
  • Product Origin:

    JAPAN
  • Lead Time:

    2-3 DAYS
  • Product Details

Protect your expensive main hydraulic pump from catastrophic internal seizure. Upgrading to this premium 4410050 pump bearing assembly guarantees perfect shaft alignment, lower operating heat, and a longer lifecycle for high-pressure piston groups.

4410050 Hitachi Hydraulic Pump Bearing

 
Product Specifications

Part Number  4410050
Part Name Excavator Main Pump Roller Bearing Assembly
Compatible Brand Hitachi
Applicable Models EX200-2, EX200-3, EX200-5
Application Excavator hydraulic system
Material Ultra-Pure Chrome Steel
Product Color Polished Steel Silver
Working Temperature -40°C to 130°C
Key Function Supports the main pump drive shaft and absorbs extreme radial loads
Condition 100% New, Aftermarket / OEM Quality
Packaging Wooden Case/Reinforced Carton/Neutral Packing / Customized Box

 

Key Features & Advantages


Precision

High Radial Load Capacity

Supports intense shaft forces from high-pressure hydraulic piston groups.

Leak-Free

Super-Finished Rollers

Minimizes internal friction to prevent heat generation and early metal fatigue.

Direct Fitment

Premium Alloy Steel

Resists pitting and wear under continuous high-speed, heavy-torque operations.

Rigorous Testing

Global Supply Tiering

We offer Original, OEM, and high-performance Aftermarket options to provide flexible procurement strategies for diverse regional markets.
 
 

 

Excavator Hydraulic Part

FAQ


Q: What specific excavator failure symptoms does the RITO 4410050 resolve?
A: It eliminates loud whining noises from the main pump, excessive shaft play, and metal shavings appearing in hydraulic oil filters.
 
Q: What are the critical technical installation requirements for this bearing assembly?
A: Use a professional press tool for installation, avoid hammering the rollers directly, and lubricate thoroughly during the assembly process.
 
Q: How can procurement managers confirm compatibility with their current fleet?
A: Cross-reference your HPV102 pump model or check for part number 4410050 on EX200-2, EX200-3, and EX200-5 parts manuals.
 
Q: How does this roller bearing assembly perform under extreme mining environments?
A: The specialized heat-treated steel maintains strict dimensional tolerance and avoids cracking when exposed to extreme, continuous high-vibration mining conditions.
 

Q: What quality options are available?

A: We provide original, OEM, and high-quality aftermarket versions with stable supply capability.

Q:Why Choose RITO?

A:Listed Factory

Stable&Reliable Quality

OEM Factory for Chinese Top Excavator Brands

Supplier to Fortune 500 Companies
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If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.

Leave A Message

Leave A Message
If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.

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