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RITO NUP2310 Cylindrical Roller Bearing JS330 K5V200 Hydraulic Pump Roller Bearing for Excavator

Hydraulic pump failure in JS330 excavators often starts with substandard bearings. Unexpected seizures cause massive revenue loss for mining fleets and damage the K5V200 pump core. Don't risk your high-value equipment with generic parts that can’t handle high-speed axial loads.

  • Item NO.:

    NUP2310
  • Order(MOQ):

    1
  • Payment:

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

    JAPAN
  • Lead Time:

    2-3 DAYS
  • Product Details
Our NUP2310 cylindrical roller bearing is engineered for extreme precision and load capacity. Specifically designed for hydraulic pump drives, it offers superior heat dissipation and noise reduction. Upgrade to the NUP2310 to ensure stable pump performance and long-term fleet reliability.

NUP2310 Cylindrical Roller Bearing

 
Product Specifications

Part Number  NUP2310
Part Name Cylindrical Roller Bearing
Compatible Brand NKS
Applicable Models JS330 K5V200 Hydraulic Pump
Application Excavator hydraulic system
Material High-Strength Alloy Steel
Product Color Metallic Silver
Working Temperature -30°C to 150°C
Key Function Shaft support and friction reduction
Condition 100% New, Aftermarket / OEM Quality
Packaging Wooden Case/Reinforced Carton/Neutral Packing / Customized Box

 

Key Features & Advantages


Precision

High-Load Capacity

Specifically designed with optimized roller geometry to support heavy radial and axial loads within the K5V200 hydraulic pump system.
Leak-Free

Premium Bearing Steel

Forged from high-purity GCr15 steel with advanced heat treatment, ensuring exceptional hardness and wear resistance in continuous mining operations.
Direct Fitment

Precision Speed Rating

Engineered for low friction and high-speed stability, preventing thermal runaway and ensuring smooth power delivery for JS330 excavators.

Rigorous Testing

Double-Ribbed Security

The NUP design features fixed ribs on both rings, providing precise axial location and simplified mounting for hydraulic pump drive shafts.

 
 

 

Excavator Hydraulic Part

FAQ


Q: Which failure symptoms indicate the hydraulic pump bearing needs replacement?
A: Abnormal metallic grinding noise from the pump housing or a sudden increase in hydraulic oil temperature usually points to NUP2310 wear. Increased metal particles in the return filter are a critical diagnostic sign of bearing fatigue.
 
Q: What are the technical requirements for installing this bearing into a K5V200 pump?
A: Use induction heating for the inner ring to ensure a precise shrink fit; never strike the rollers directly. Ensure the lubrication ports are clear, as the NUP2310 requires immediate oil film coverage upon the initial pump startup.
 
Q: How can I confirm the procurement compatibility for my excavator fleet?
A: This bearing is the standard fit for JS330 models using the K5V200 series pump. We recommend verifying the dimensions (50x110x40mm) and the "NUP" configuration against your current parts manual to ensure axial locating capabilities.
 
Q: How does this bearing perform under extreme high-temperature environments?
A: The NUP2310 undergoes special dimensional stabilization. It maintains internal clearances and structural integrity from -30 to 150 Celsius, preventing shaft seizure during 24/7 high-pressure excavation cycles in desert or deep-mine 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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