SKF Rnav4003-4007 Durable Needle Roller Bearings
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SKF
Needle Bearing
ISO 9001
TS 16949
Genuine SKF
50+ Countries
24h Response
-- SKF Authorized Engineering Partner
BDL Needle Roller Bearings NK45/20 NK45/30 NK50/25 High Quality
Product Introduction
BDL Needle Roller Bearing NK45/20 features compact design with radial load capacity. Made of high-quality bearing steel, it supports grease or oil lubrication and offers precision ratings from P0 to P2. Suitable for various industrial applications requiring reliable performance.Product Parameters
| Model | NK45/20 |
| Specification | 45*55*20 mm |
| Material | Bearing Steel |
| Style | Without Outer/Inner Ring |
| Delivery Time | 3-7 days |
Technical Specifications
- Product Name
- BDL Needle Roller Bearings NK45/20 NK45/30 NK50/25 High Quality
- 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.
BDL NK Series Needle Roller Bearings: High-Performance Solution for Truck & Commercial Vehicle Applications
Enhance your truck’s performance with BDL NK Series Needle Roller Bearings—engineered for heavy-duty radial load handling in commercial vehicles. Precision-crafted from premium bearing steel, these compact bearings deliver exceptional durability and reliability, ensuring smooth operation even under extreme conditions. Ideal for truck transmissions, axles, and gearboxes, BDL bearings minimize downtime and maintenance costs, making them the trusted choice for fleet operators and vehicle manufacturers worldwide.
Core Specifications
| Model | NK45/20 |
| Dimensions | 45×55×20 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 |
| Origin | China (HS Code: 8482102000) |
| Delivery Time | 3-7 Days |
Key Performance Advantages
• High Radial Load Capacity: Optimized needle roller design handles heavy loads in truck drivetrains.
• Space-Saving Design: Compact dimensions ideal for tight engine compartments and gear assemblies.
• Extended Service Life: Bearing steel construction resists wear and corrosion, reducing replacement cycles.
• Precision Engineering: Available in P2-P0 precision grades for smooth, vibration-free operation.
• Flexible Lubrication: Compatible with grease or oil to suit diverse operating environments.
Applications in Commercial Vehicles
Perfect for truck transmissions, differential systems, steering mechanisms, and auxiliary equipment. Trusted by logistics companies, truck manufacturers, and aftermarket service providers for enhancing vehicle reliability and reducing maintenance costs.
Quality Assurance
BDL bearings undergo strict quality control, adhering to international standards. Backed by OEM/ODM service capabilities, we ensure custom solutions meet your specific vehicle requirements. With a production capacity of 1,000,000 units annually, we guarantee consistent supply for large-scale projects.
Why Choose BDL Over Competitors?
• Faster delivery (3-7 days) compared to industry average lead times.
• Multiple precision and clearance options for tailored performance.
• Closed-type design for enhanced contamination resistance in harsh trucking conditions.
• Competitive pricing without compromising on material quality or manufacturing standards.
FAQ
Q: What lubrication is recommended for heavy-duty truck applications?
A: Oil lubrication is preferred for high-temperature, high-speed truck components; grease for low-maintenance requirements.
Q: Can these bearings replace original equipment in European/American truck models?
A: Yes, BDL bearings are engineered to match OEM specifications for global truck brands.
Q: Are custom sizes available for specialized truck systems?
A: Yes, contact us with your dimensions for ODM/OEM solutions.
Ready to upgrade your truck’s performance? Contact our team today for a personalized quote and ensure seamless integration of BDL needle roller bearings into your vehicle fleet.
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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
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.
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