Needle Bearing
SKF Needle Roller Bearings HK4520 HK5025 45X55X38
ISO 9001 TS 16949
Genuine SKF
50+ Countries
24h Response

-- SKF Authorized Engineering Partner

SKF Needle Roller Bearings HK4520 HK5025 45X55X38

Product Introduction

High-quality Needle Roller Bearing HK4520 with bearing steel material, suitable for radial load applications. Features closed type design, offering lubrication options of grease or oil. Precision ratings available: P0, P6, P5, P4, P2.

Product Parameters

Model NO.HK4520
Specification45*52*20 mm
MaterialBearing Steel
Load DirectionRadial Bearing
Delivery Time3-7 days

Technical Specifications
Product Name
SKF Needle Roller Bearings HK4520 HK5025 45X55X38
Category
Needle Bearing
Quality Standard
ISO 9001 / TS 16949
Lead Time
8-12 Weeks Custom
Minimum Order
Negotiable

15+ Certified Engineers On-Call

Free application analysis · Failure diagnosis · Custom modification guidance. Response within 24 hours.

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.

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Steel & Metallurgy

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Automotive & EV

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Precision Machinery

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General Industrial

Pumps, fans, compressors, and conveyor systems across all manufacturing sectors requiring reliable, cost-effective bearing solutions.

01

Authorized SKF Engineering Partner

Official partner since 1998 with direct access to SKF technical resources, genuine products, and engineering expertise.

02

15+ Certified Engineers On-Staff

In-house team provides application design, failure analysis, and predictive maintenance -- reducing bearing failures by 35%.

03

ISO 9001 & TS 16949 Certified QC

Every product undergoes rigorous pre-shipment inspection with full documentation for traceability and compliance.

04

Global Logistics to 50+ Countries

Dedicated account managers and reliable delivery networks ensure on-time supply for enterprise clients worldwide.

Performance Metrics

35%

Failures Prevented

70%

Downtime Reduction

25+

Years Experience

24h

Quote Response

78% of large enterprises prefer suppliers offering integrated technical support and lifecycle services.

Application Design

Engineering

Custom bearing selection and system design based on your specific load conditions, speeds, temperatures, and environmental factors.

Failure Analysis

Diagnostics

Root-cause investigation of bearing failures using metallurgical testing, vibration analysis, and operating data review.

Predictive Maintenance

IIoT

IIoT-enabled monitoring with smart sensor bearings for real-time vibration, temperature, and RPM tracking.

Custom Modification

Custom

Modified bearings with special coatings, seals, tolerances, or materials. Lead time 8-12 weeks from official channels.

On-Site Installation

Support

Certified engineers available for on-site installation support, alignment checks, and commissioning assistance worldwide.

Lifecycle Support

Lifecycle

Long-term service agreements including regular maintenance checks, replacement scheduling, and performance reporting.

Free samples available for orders over $50K

Validated against your KPIs before full production commitment.

Contact Engineering Team

-- Get In Touch

Request a Technical Consultation & Quote

Our certified engineers will review your application requirements and provide a detailed quote within 24 hours.

Address

No. 377 Bansongyuan Road, Huangpu District, Shanghai, China

Free Sample Program

Orders over $50K qualify for free product samples

Test against your KPIs before full production commitment. Ask our engineers for details.

Product Inquiry Form

Regarding: SKF Needle Roller Bearings HK4520 HK5025 45X55X38

Response within 24 hours · Free engineering consultation · No obligation

ISO 9001 · TS 16949 · Authorized SKF Partner · Since 1998

SKF Authorized Engineering Partner

Need technical support or a custom solution?

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