A: It eliminates loud whining noises from the main pump, excessive shaft play, and metal shavings appearing in hydraulic oil filters.
A: Use a professional press tool for installation, avoid hammering the rollers directly, and lubricate thoroughly during the assembly process.
A: Cross-reference your HPV102 pump model or check for part number 4410050 on EX200-2, EX200-3, and EX200-5 parts manuals.
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





















