-- 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 |
| Specification | 45*52*20 mm |
| Material | Bearing Steel |
| Load Direction | Radial Bearing |
| Delivery Time | 3-7 days |
- 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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Authorized SKF Engineering Partner
Official partner since 1998 with direct access to SKF technical resources, genuine products, and engineering expertise.
15+ Certified Engineers On-Staff
In-house team provides application design, failure analysis, and predictive maintenance -- reducing bearing failures by 35%.
ISO 9001 & TS 16949 Certified QC
Every product undergoes rigorous pre-shipment inspection with full documentation for traceability and compliance.
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
EngineeringCustom bearing selection and system design based on your specific load conditions, speeds, temperatures, and environmental factors.
Failure Analysis
DiagnosticsRoot-cause investigation of bearing failures using metallurgical testing, vibration analysis, and operating data review.
Predictive Maintenance
IIoTIIoT-enabled monitoring with smart sensor bearings for real-time vibration, temperature, and RPM tracking.
Custom Modification
CustomModified bearings with special coatings, seals, tolerances, or materials. Lead time 8-12 weeks from official channels.
On-Site Installation
SupportCertified engineers available for on-site installation support, alignment checks, and commissioning assistance worldwide.
Lifecycle Support
LifecycleLong-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.
-- 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
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