SKF Needle Roller Bearings HK4520 HK5025 45X55X38

SKU: 90751c8d1c6e

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Description

High-Performance Needle Roller Bearings for Heavy-Duty Truck Applications

Engineered to deliver exceptional durability and precision, our Needle Roller Bearings (HK4520, HK/45X55X38, HK5025 series) are the ideal choice for truck transmissions, axles, and powertrain systems. Crafted from premium bearing steel, these bearings ensure smooth operation even under extreme loads, reducing maintenance costs and downtime for your fleet.

Core Specifications

Model HK4520
Dimensions 45*52*20 mm
Load Type Radial Bearing
Style Without Inner/Outer Ring
Material Bearing Steel
Precision Rating P0, P6, P5, P4, P2
Clearance C0, C3, C4
Lubrication Grease or Oil Compatible
Origin China (HS Code: 8482102000)
Delivery Time 3-7 Days

Key Performance Advantages

  • High Radial Load Capacity: Optimized needle roller design supports heavy loads in truck drivetrains.
  • Compact Design: Space-saving structure ideal for tight engine compartments.
  • Precision Engineering: Available in P2-P0 ratings for minimal vibration and noise.
  • Corrosion Resistance: Premium bearing steel construction extends service life.
  • Versatile Lubrication: Compatible with both grease and oil for flexible maintenance.

Truck Application Scenarios

Perfect for commercial trucks, trailers, and heavy-duty vehicles. Ideal for:

  • Transmission systems
  • Differential assemblies
  • Wheel hubs
  • PTO (Power Take-Off) units
  • Hydraulic pump systems

Quality Assurance

Our bearings undergo strict quality control, including dimensional inspection, hardness testing, and fatigue life analysis. Backed by BDL’s 20+ years of manufacturing expertise and ISO 9001 certification, we guarantee reliable performance in harsh operating conditions.

Why Choose Our Bearings?

Compared to standard bearings, our needle roller系列 offers:

  • 30% higher load capacity than ball bearings
  • Reduced weight for improved fuel efficiency
  • Customizable clearance options (C0/C3/C4) for specific truck models
  • OEM/ODM services to match your exact specifications

FAQ

Q: What is the maximum operating temperature?
A: -40°C to 120°C (with appropriate lubrication)

Q: Can these bearings replace Timken/SKF equivalents?
A: Yes, our dimensions and performance match industry standards.

Q: Do you provide technical support for installation?
A: Our engineering team offers free installation guidelines and application advice.

Request a Quote Today

Ensure your truck fleet operates at peak efficiency with our high-quality needle roller bearings. Contact us now for bulk pricing, sample requests, or technical specifications tailored to your export needs.