SKF Needle Roller Bearings Na4917 Na4918 Na4919 High Quality
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SKF
Needle Bearing
ISO 9001
TS 16949
Genuine SKF
50+ Countries
24h Response
-- SKF Authorized Engineering Partner
SKF Rnav4003-4007 Durable Needle Roller Bearings
Product Introduction
Durable needle roller bearings including models RNAV4003-RNAV4007, made of bearing steel. Suitable for radial loads with options of grease/oil lubrication, offering precision ratings P0-P2 and clearances C0/C3/C4. OEM/ODM services available with 3-7 days delivery.Product Parameters
| Model NO. | RNAV4003-RNAV4007 |
| Material | Bearing Steel |
| Specification | 24.3*35*18 mm |
| Load Direction | Radial Bearing |
| Delivery Time | 3-7 days |
Technical Specifications
- Product Name
- SKF Rnav4003-4007 Durable Needle Roller Bearings
- 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-Quality RNAV Series Needle Roller Bearings for Heavy-Duty Truck Applications
Enhance your truck’s performance with our durable RNAV4003-RNAV4007 needle roller bearings, engineered for reliability and long service life in demanding commercial vehicle environments. Crafted from premium bearing steel, these bearings deliver exceptional radial load capacity and precision, ensuring smooth operation even under extreme conditions.
Core Specifications
| Model | RNAV4003 (with RNAV4004-4007 available) |
| Dimensions | 24.3×35×18 mm |
| Material | High-grade Bearing Steel |
| Load Type | Radial Bearing |
| Style | Without Inner/Outer Ring |
| Precision Rating | P0/P6/P5/P4/P2 |
| Clearance Options | C0/C3/C4 |
| Lubrication | Grease or Oil Compatible |
| Origin | China (HS Code: 8482102000) |
| Delivery Time | 3-7 Working Days |
Key Performance Advantages
Designed for heavy-duty truck transmissions, axles, and steering systems, these bearings offer:
➤ High radial load capacity for commercial vehicle applications
➤ Precision manufacturing (P0-P2 ratings) for reduced vibration
➤ Versatile lubrication options for diverse operating conditions
➤ Compact design ideal for space-constrained truck components
➤ OEM/ODM service available for custom requirements
Application Scenarios
Perfect for integration in:
• Truck gearboxes and transmissions
• Differential assemblies
• Steering linkages
• Suspension systems
• Industrial vehicle drivetrains
Quality Assurance
Our bearings undergo rigorous testing to meet international standards. Backed by BDL trademark quality, each unit features:
✓ ISO-certified manufacturing processes
✓ 1,000,000+ monthly production capacity
✓ Carton/pallet packaging for secure transport
✓ Consistent performance in temperature extremes (-40°C to 120°C)
Why Choose Our Needle Bearings?
Compared to standard bearings, our RNAV series offers:
• 30% higher load tolerance than conventional designs
• Maintenance-free operation with proper lubrication
• Interchangeable dimensions with major global brands
• Cost-effective pricing without compromising quality
Frequently Asked Questions
Q: What precision rating should I choose for truck applications?
A: P6 is recommended for standard truck transmissions; P5/P4 for high-performance vehicles.
Q: Can these bearings replace Timken/SKF equivalents?
A: Yes, our dimensions match industry standards for direct replacement.
Q: What’s the maximum operating temperature?
A: Suitable for continuous use up to 120°C with proper lubrication.
Ready to optimize your truck fleet’s performance? Contact us today for bulk pricing, technical specifications, or custom solutions. Our engineering team is available to assist with选型 guidance and sample requests.
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Mining & Heavy Industry
Crushers, conveyors, and processing equipment bearings designed to withstand shock loads and contaminated environments.
Steel & Metallurgy
Rolling mill and continuous casting bearings rated for extreme temperatures, heavy loads, and aggressive lubricants.
Automotive & EV
Hub units, transmission, and electric motor bearings meeting TS 16949 requirements for passenger and commercial vehicles.
Precision Machinery
Machine tool spindle and robotics bearings with P4/P2 accuracy class for ultra-precise positioning and minimal vibration.
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
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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