Needle Bearing
High Quality Bdl Needle Roller Bearing Na4860 Na4864 Na4868
ISO 9001 TS 16949
Genuine SKF
50+ Countries
24h Response

-- SKF Authorized Engineering Partner

High Quality Bdl Needle Roller Bearing Na4860 Na4864 Na4868

Experience smooth, reliable performance in high-load applications with our premium Bdl Needle Roller Bearing, designed to minimize friction and maximize durability for your machinery. Crafted from high-grade Bearing Steel, these bearings deliver consistent operation under radial loads, whether lubricated with grease or oil, ensuring long service life even in demanding conditions.

  • Available in precision ratings from P0 to P2 and clearances C0/C3/C4 to meet exact application requirements
  • Closed design with options for without inner/outer rings offers flexible integration into existing setups
  • Quick 3-7 day delivery ensures minimal downtime for your production needs

Technical Specifications
Product Name
High Quality Bdl Needle Roller Bearing Na4860 Na4864 Na4868
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.

Product Specifications

Parameter Details
Model Number K18X24X20 K18X25X14 K18X25X22 K18X26X14 K18X28X16
Bearing Type Needle Roller Bearing
Load Direction Radial Bearing
Style Without Outer Ring, Without Inner Ring
Material Bearing Steel
Design Closed
Lubrication Grease or Oil
Precision Rating P0 P6 P5 P4 P2
Clearance C0 C3 C4
Specification 18*24*10 mm
Trademark BDL
Origin China
HS Code 8482102000

Application Suitability

Industry Typical Applications
Automation Equipment Linear actuators, gearbox assemblies, robotic joints
Hydraulic Systems Cylinder piston rods, valve mechanisms
Mechanical Engineering Conveyor rollers, machine tool spindles

Struggling with Needle Roller Bearing Selection? Focus on These Critical Factors

Many buyers face challenges when sourcing needle roller bearings—from mismatched dimensions causing installation delays to inconsistent quality leading to premature equipment failure. With countless models and standards in the market, finding the right fit for your specific load and precision requirements can be time-consuming and frustrating.

Reliable Performance for Demanding Applications

Our High Quality Bdl Needle Roller Bearing series addresses these common pain points through ISO 9001 certified manufacturing processes and comprehensive quality control. Available in models including Na4860, Na4864, and Na4868, these bearings are designed for radial load applications where space is limited but performance cannot be compromised. Whether used in hydraulic cylinders, automation machinery, or conveyor systems, the closed design and bearing steel construction ensure consistent operation under varying conditions.

Optimal Performance in Tight Spaces

Needle roller bearings excel in applications with restricted radial space, offering high load-carrying capacity relative to their compact size. The Na4860, Na4864, and Na4868 models feature a closed design that protects internal components from contamination, making them suitable for environments where dust or debris is present. With radial load direction capability and precision ratings from P0 to P2, these bearings accommodate both general industrial use and high-precision machinery requirements.

Key Engineering Features Explained

The bearing steel material provides excellent hardness and wear resistance, critical for maintaining dimensional stability under load. Precision ratings (P0-P2) ensure tight tolerances, reducing vibration and noise in high-speed applications. Clearance options (C0, C3, C4) allow customization based on operating temperature and fit requirements—C3 and C4 clearances are ideal for applications with thermal expansion, while C0 suits standard operating conditions. The “without inner/outer ring” style offers design flexibility, allowing direct mounting on shafts or in housings when precision machining is feasible.

Total Cost of Ownership Matters Most

Choosing the right needle roller bearing directly impacts equipment uptime and maintenance costs. Inferior bearings with substandard material hardness or imprecise dimensions often lead to early wear, increased vibration, and unexpected downtime—costing far more than the initial savings. Our bearings undergo rigorous testing, including raw material inspection and成品尺寸 verification, to ensure they meet specified load and precision requirements. By investing in quality components, you reduce the risk of premature failure and the associated costs of replacement and production loss.

Quality Assurance You Can Trust

Our manufacturing processes comply with ISO 9001 standards, ensuring consistent quality from raw material selection to final inspection. Each bearing undergoes dimensional, hardness, and surface finish testing to verify performance. We offer a warranty against manufacturing defects, providing peace of mind for your investment. With extensive experience in sourcing both our own BDL brand and major international brands, we can fulfill orders for specific models or help identify suitable alternatives based on your application needs.

Packaging & Shipping

  • Standard packaging includes carton boxes with palletization for bulk orders
  • Delivery time: 3-7 days for in-stock items
  • Shipping options: Express courier, air freight, or sea freight based on order size and urgency
  • Low minimum order quantity supported, accommodating both small and large volume requirements

Get Your Needle Roller Bearing Quote Today

Whether you need the Na4860, Na4864, Na4868, or other needle roller bearing models, we can provide competitive pricing and quick delivery. Simply share the model number, dimensions, required precision class, and quantity, and our team will prepare a tailored quote. With access to a wide range of brands and specifications, we make sourcing the right bearing simple and efficient.

Frequently Asked Questions

Q: Do you supply bearings from other brands besides BDL?

A: Yes, we support procurement of bearings from various international and domestic brands. We can source specific models as per your requirements.

Q: How can I confirm if a bearing fits my equipment?

A: Provide the required dimensions (inner diameter, outer diameter, width), load capacity, and precision class. Our technical team will verify compatibility with your application.

Q: What is your warranty policy?

A: We offer a warranty against manufacturing defects. Specific terms and duration are detailed in the sales contract.

Q: What is the minimum order quantity?

A: We accept low minimum order quantities, including small trial orders to meet your testing or maintenance needs.

Q: How long does shipping take?

A: In-stock items ship within 3-7 days. Delivery time depends on the selected shipping method and destination.

Q: Can you provide custom (OEM/ODM) bearings?

A: Yes, we support OEM/ODM services for custom bearing specifications based on provided drawings or samples.

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.
Contact us today to discuss your requirements.

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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

Engineering

Custom bearing selection and system design based on your specific load conditions, speeds, temperatures, and environmental factors.

Failure Analysis

Diagnostics

Root-cause investigation of bearing failures using metallurgical testing, vibration analysis, and operating data review.

Predictive Maintenance

IIoT

IIoT-enabled monitoring with smart sensor bearings for real-time vibration, temperature, and RPM tracking.

Custom Modification

Custom

Modified bearings with special coatings, seals, tolerances, or materials. Lead time 8-12 weeks from official channels.

On-Site Installation

Support

Certified engineers available for on-site installation support, alignment checks, and commissioning assistance worldwide.

Lifecycle Support

Lifecycle

Long-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.

Contact Engineering Team

-- 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.

Product Inquiry Form

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ISO 9001 · TS 16949 · Authorized SKF Partner · Since 1998

SKF Authorized Engineering Partner

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