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Needle Bearing
BDL Needle Roller Bearings NA6911 NA6912 NA6913 High Quality
Experience smoother, longer-lasting machinery performance with these precision-engineered BDL Needle Roller Bearings—designed to reduce friction and handle heavy radial loads in tight spaces. Perfect for high-speed applications, the NA6911, NA6912, and NA6913 models deliver consistent reliability that minimizes downtime and extends equipment lifespan.
- High-quality construction ensures exceptional wear resistance, even under continuous operation
- Optimized needle roller design provides superior load capacity without sacrificing compact dimensions
- Direct replacement for industrial and automotive applications requiring metric dimensions
7
Day Prototype
vs. 8-12 wks standard
50+
Countries Served
Global logistics network
12h
Quote Response
Expert engineers on call
Typical Applications
Wind Power
Mining
Steel & Metallurgy
Automotive / EV
Rail Transit
Precision Machinery
Genuine SKF Bearings
NDA Protected
Free Sample for Orders > $50K
Global Shipping
Product Details
Product Specifications
| Parameter | Details |
|---|
Application Suitability
| Industry | Typical Applications |
|---|---|
| Automation Equipment | Linear motion systems, precision slides |
| Mechanical Engineering | Linkage mechanisms, rotating components |
| Industrial Machinery | Conveyor systems, gearboxes |
Needle Roller Bearings NA6911, NA6912, NA6913: Solving Common Sourcing Challenges
Searching for reliable needle roller bearings often means navigating fragmented supplier networks or compromising on quality to meet delivery timelines. Many buyers face downtime when replacement parts don’t match original dimensions, or struggle with frequent maintenance due to substandard materials. With NA6911, NA6912, and NA6913 series, these frustrations become avoidable.
Engineered for Durability in Demanding Environments
Our needle roller bearings address critical industry pain points through ISO 9001-certified manufacturing processes and comprehensive quality checks. Designed to handle radial loads efficiently in compact spaces, these bearings fit seamlessly into automation equipment, mechanical linkages, and industrial machinery. With interchangeable dimensions following international standards, they eliminate the guesswork in cross-brand replacement.
Optimal Performance in High-Load, Low-Maintenance Applications
These needle roller bearings excel in applications with limited radial space and moderate to high load requirements. Operating temperatures typically range from -30°C to 120°C, making them suitable for both indoor industrial settings and outdoor machinery. Their robust construction minimizes vibration and noise, critical factors in precision equipment where stability directly impacts output quality.
Key Engineering Features That Deliver Value
The NA6911, NA6912, and NA6913 series incorporate several design elements that enhance performance. Their needle roller configuration distributes load evenly across the raceway, increasing dynamic load capacity compared to traditional ball bearings of similar size. Surface hardness averaging 60-62 HRC ensures resistance to wear, while precision class tolerances (typically P0 to P6) guarantee consistent fit during installation. The open design allows for easy lubrication, extending service life in applications where maintenance access is limited.
The True Cost of Choosing the Right Bearing
Selecting substandard needle roller bearings may reduce upfront costs, but often leads to higher total ownership expenses. Early failure due to material fatigue or imprecise manufacturing can cause unplanned downtime, production losses, and damage to adjacent components. Our bearings, tested for dimensional accuracy and material integrity, help avoid these issues. By adhering to ISO 281 load rating standards, they provide predictable service life, allowing for scheduled maintenance rather than emergency repairs.
Quality Assurance You Can Verify
Every NA6911, NA6912, and NA6913 bearing undergoes rigorous inspection before shipment. Raw materials are tested for chemical composition and mechanical properties, while finished products receive checks for diameter tolerance, roundness, and surface finish. We provide a standard质保期 against manufacturing defects, with clear terms for replacement or refund. Our multi-brand sourcing capability means we can also supply equivalent bearings from major international brands, ensuring compatibility with your existing supply chain.
Packaging & Shipping
- Neutral industrial packaging with anti-corrosion protection
- Stock availability for prompt dispatch
- Flexible shipping options including express courier, air freight, and sea freight
- Low minimum order quantity to support both trial installations and bulk requirements
Get Your NA Series Bearing Quote Today
Whether you need NA6911, NA6912, NA6913, or other needle roller bearings, we streamline the sourcing process. Provide your required model, quantity, and delivery location, and our team will confirm availability and pricing within 24 hours. Early inquiry ensures priority handling, especially for urgent replacement needs.
Frequently Asked Questions
Q: Can you supply other bearing brands or models besides the NA series?
A: Yes, we support inquiries for all bearing types and brands, including international and domestic manufacturers. Simply provide the required specifications, and we will source accordingly.
Q: How do I confirm if the NA6911/12/13 bearings fit my equipment?
A: Share your equipment model or the original bearing dimensions (inner diameter, outer diameter, width), and our technical team will verify compatibility with the NA series specifications.
Q: What is your质保 policy for these needle roller bearings?
A: We offer a standard质保 period covering manufacturing defects. Specific terms, including duration and claim procedures, are detailed in each sales contract.
Q: What is the minimum order quantity for NA series bearings?
A: We accept low minimum order quantities, making it feasible for small-scale trials or emergency replacements, as well as large-volume orders.
Q: How quickly can you ship the NA6911/12/13 bearings?
A: Stock items are dispatched within 1-2 business days. Shipping time depends on the selected method: express courier (3-5 days), air freight (5-7 days), or sea freight (3-4 weeks).
Q: Do you offer custom (OEM/ODM) needle roller bearings?
A: Yes, we support custom bearing production based on provided drawings, specifications, or sample parts for specialized applications.
Ready to order or need a quote?
Send the bearing model, dimensions (d x D x B), and quantity — we’ll get back to you with pricing and lead time.
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Product Summary
- Product Name
- BDL Needle Roller Bearings NA6911 NA6912 NA6913 High Quality
- Category
- Needle Bearing
- Brand
- SKF
- Certification
- ISO 9001 · TS 16949
- Lead Time
- 7 Working Days
Get a Custom Quote
Our engineers will respond within 12 hours with a tailored solution.
Request QuoteGeneral Specifications
| Bearing Type | Needle Bearing |
| Brand | SKF |
| Quality Standard | ISO 9001 / TS 16949 |
| Precision Grade | P0 / P5 / P6 (custom) |
| Material | Chrome Steel / Stainless |
| Cage Material | Steel / Brass / Polyamide |
| Lubrication | Grease / Oil (specify) |
| Operating Temp. | -40°C to +200°C |
| Min. Order Qty | 1 pc (samples available) |
| Prototype Lead Time | 7 Working Days |
Performance Parameters
| Load Capacity | Contact for C0/Cr values |
| Speed Rating | Contact for ndm limit |
| Vibration Level | Z1 / Z2 / Z3 (custom) |
| Noise Level | V1 / V2 / V3 (custom) |
| Fatigue Life | L10h per ISO 281 |
| Sealing Options | Open / Z / 2Z / RS / 2RS |
Custom Specifications Available
Our engineering team can modify bearing dimensions, materials, seals, and clearances to meet your specific operating requirements. Submit your drawing or spec sheet for a tailored proposal.
Wind Power
Main shaft bearings, gearbox bearings, and generator bearings for onshore and offshore wind turbines.
Mining & Quarrying
Heavy-duty bearings for crushers, conveyors, and rotary equipment in extreme dust and shock-load environments.
Steel & Metallurgy
High-temperature bearings for rolling mills, continuous casting, and furnace applications.
Automotive / EV
Wheel hub bearings, transmission bearings, and e-motor bearings for passenger and commercial vehicles.
Rail Transit
Axle box bearings, traction motor bearings, and gearbox bearings meeting EN/UIC railway standards.
Precision Machinery
High-precision spindle bearings, angular contact bearings, and super-precision bearings for CNC and robotics.
Application Design
EngineeringOur engineers analyze your operating conditions -- load, speed, temperature, environment -- and select or design the optimal bearing solution to maximize service life and reduce total cost of ownership.
Custom Modification
7-Day TurnaroundNeed non-standard dimensions, special materials, or modified clearances? We can modify standard SKF bearings or manufacture fully custom solutions with a 7-day prototype turnaround.
Failure Analysis
DiagnosticsWhen bearings fail prematurely, our team conducts root-cause analysis using advanced diagnostic tools to identify the failure mode and recommend corrective action.
Predictive Maintenance
Up to 40% Less DowntimeWe deploy vibration monitoring, thermal imaging, and oil analysis programs that detect bearing deterioration early -- reducing unplanned downtime by up to 40%.
On-site Installation
Global CoverageProper installation is critical to bearing performance. Our certified technicians provide on-site installation support, alignment verification, and operator training worldwide.
Lifecycle Support
Enterprise SLAFrom initial selection through end-of-life, our dedicated account managers provide scheduled maintenance plans, re-lubrication programs, and replacement forecasting for enterprise clients.
Why SKF China
The engineering partner advantage
7 Days
Prototype Lead Time
vs. 8-12 weeks via standard channels
15+
Certified Engineers
SKF-certified, on-call for your project
50+
Countries Delivered
Reliable global logistics network
Request a Quote
Get a custom quote for
BDL Needle Roller Bearings NA6911 NA6912 NA6913 High Quality
NDA protected · Free samples for orders > $50K · Reply within 12 hours
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