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 Bdl Needle Roller Bearing Nk40/20 Nk40/30 Nk42/20 High Quality
Product Introduction
BDL Needle Roller Bearings, model NK40/20, are radial bearings made of bearing steel. Featuring a closed type without inner/outer rings, they offer precision ratings P0-P2 and clearances C0/C3/C4, suitable for various industrial applications.Product Parameters
| Model NO. | NK40/20 |
| Specification | 40*50*20 mm |
| Material | Bearing Steel |
| Style | Without Outer Ring, Without Inner Ring |
| Precision Rating | P0 P6 P5 P4 P2 |
Technical Specifications
- Product Name
- SKF Bdl Needle Roller Bearing Nk40/20 Nk40/30 Nk42/20 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 Needle Roller Bearing NK40/20: High-Performance Solution for Heavy-Duty Truck Applications
Engineered for reliability in demanding truck operations, the BDL NK40/20 Needle Roller Bearing delivers exceptional radial load capacity and durability. Crafted from premium bearing steel, this closed-type bearing ensures smooth performance even under extreme conditions, making it an ideal choice for commercial vehicle transmissions, axles, and powertrain systems.
Core Specifications
| Parameter | Details |
|---|---|
| Model | NK40/20 |
| Dimensions | 40×50×20 mm |
| Load Type | Radial Bearing |
| Style | Without Inner/Outer Ring |
| Material | High-Grade Bearing Steel |
| 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 Business Days |
Key Performance Advantages
- Enhanced Durability: Bearing steel construction resists wear and corrosion in high-stress truck environments
- Space-Saving Design: Compact 40×50×20mm dimensions optimize installation in tight powertrain compartments
- Versatile Lubrication: Compatible with both grease and oil lubrication systems for flexible maintenance
- Precision Engineering: Available in P2-P0 precision grades to meet strict tolerances for smooth operation
Truck Industry Applications
Perfectly suited for heavy-duty truck components including:
– Transmission gearboxes
– Drive axles
– Steering systems
– suspension linkages
– PTO (Power Take-Off) units
Why Choose BDL Bearings?
Our NK40/20 needle bearings outperform competitors through:
– OEM/ODM customization capabilities
– Rigorous quality control (ISO standards compliance)
– High production capacity (1,000,000 units/year)
– Fast global shipping from China
FAQ
Q: What clearance should I select for truck transmissions?
A: C3 clearance is recommended for high-temperature applications like truck gearboxes.
Q: Can this bearing replace other NK40 series models?
A: Yes, it’s dimensionally compatible with standard NK40/20 specifications.
Q: What’s the maximum operating temperature?
A: Suitable for -40°C to 120°C under proper lubrication.
Ready to upgrade your truck’s performance? Contact us now for bulk pricing and technical support!
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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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