SKF NA4860 NA4864 NA4868 Needle Roller Bearings
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SKF
Needle Bearing
ISO 9001
TS 16949
Genuine SKF
50+ Countries
24h Response
-- SKF Authorized Engineering Partner
SKF RNA4903 RNA4904 RNA4905 Needle Roller Bearings
Product Introduction
BDL Needle Roller Bearings, including models RNA4903, RNA4904, RNA4905, are radial bearings made of bearing steel. Designed without inner and outer rings, they offer precision ratings P0-P2 and clearances C0/C3/C4, suitable for various applications with grease or oil lubrication.
Product Parameters
| Model | RNA4903 |
| Specification | 22*30*13 mm |
| Material | Bearing Steel |
| Style | Without Inner/Outer Ring |
| Load Direction | Radial Bearing |
Technical Specifications
- Product Name
- SKF RNA4903 RNA4904 RNA4905 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.
BDL Needle Roller Bearings: High-Performance RNA4903 for Heavy-Duty Truck Applications
Enhance your truck’s reliability with BDL RNA4903 Needle Roller Bearings—engineered for radial load handling in demanding commercial vehicle systems. Crafted from premium bearing steel, these closed-type bearings deliver exceptional durability and precision, ensuring smooth operation even under extreme conditions. Ideal for truck transmissions, axles, and gearboxes, they reduce friction and extend component lifespan, making them a cost-effective solution for fleet maintenance and performance optimization.
Core Specifications
| Model | RNA4903 |
| Load Type | Radial Bearing |
| Style | Without Inner/Outer Ring |
| Material | Bearing Steel |
| Dimensions | 22×30×13 mm |
| 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 Benefits for Truck Applications
- High Radial Load Capacity: Optimized design for heavy-duty truck transmissions and drivetrains.
- Space-Saving Design: Compact 22×30×13mm size ideal for tight engine compartments.
- Long Service Life: Bearing steel construction resists wear and corrosion in harsh road conditions.
- Flexible Lubrication: Compatible with grease or oil for versatile maintenance needs.
- Precision Engineering: Available in P0-P2 ratings to meet strict performance standards.
Applications & Performance
Perfect for commercial trucks, trailers, and heavy machinery, these bearings excel in:
– Transmission systems
– Differential assemblies
– Axle hubs
– PTO (Power Take-Off) units
– Steering mechanisms
Tested under rigorous conditions, BDL RNA4903 bearings maintain stable operation at high speeds and temperature fluctuations, reducing downtime and maintenance costs for fleet operators.
Quality Assurance
Every bearing undergoes strict quality control, including dimensional accuracy checks and material testing. Backed by BDL’s OEM/ODM capabilities, we ensure compliance with international standards, delivering consistent performance you can trust.
Why Choose BDL Over Competitors?
- Fast Delivery: 3-7 day lead time for urgent fleet repairs.
- Custom Solutions: OEM/ODM services tailored to specific truck models.
- Cost-Effective: High production capacity (1,000,000 units/year) ensures competitive pricing.
- Technical Support: Expert guidance for installation and maintenance.
FAQ
Q: What clearance should I choose for my truck’s axle?
A: C0 for standard applications; C3/C4 for high-temperature or heavy-load conditions.
Q: Can these bearings replace original equipment parts?
A: Yes, they are engineered to meet OEM specifications for seamless compatibility.
Q: Are samples available for testing?
A: Contact us to request samples and technical data sheets.
Ready to upgrade your truck’s performance? Contact our team today for bulk pricing, technical specifications, or custom orders. Ensure your fleet runs smoother, longer with BDL Needle Roller Bearings.
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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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