Spherical Plain Bearing
Bdl 23218-23226cak Self-Aligning Roller Bearings High Quality
ISO 9001 TS 16949
Genuine SKF
50+ Countries
24h Response

-- SKF Authorized Engineering Partner

Bdl 23218-23226cak Self-Aligning Roller Bearings High Quality

Ensure smooth, long-lasting performance in your machinery with Bdl Self-Aligning Roller Bearings, designed to minimize downtime and reduce maintenance hassles. High precision engineering ensures consistent operation even under heavy loads, while the self-lubricating design eliminates the need for frequent manual lubrication—perfect for busy workshops and industrial settings.

  • Steel-on-steel sliding contact delivers exceptional durability, handling radial loads with ease in applications like construction machinery and automation equipment
  • Compact 5*21*6 mm specification fits seamlessly into tight spaces without compromising on load capacity
  • Whole outer ring structure enhances stability, reducing vibration and noise for a quieter, more efficient workflow

Technical Specifications
Product Name
Bdl 23218-23226cak Self-Aligning Roller Bearings High Quality
Category
Spherical Plain 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
Bearing Type Spherical Plain Bearing
Model Number SI5T/K
Bore Diameter (d) 5 mm
Outside Diameter (D) 21 mm
Width (B) 6 mm
Material Bearing Steel
Sliding Contact Steel-on-Steel
Lubrication Type Self-lubricating
Load Direction Radial Spherical Plain Bearing
Outer Structure Whole Outer Ring
Features High Precision, Long Life, Low Noise
Trademark BDL
Origin China
Package Neutral Packing Bearing
Transport Package Carton Pallet

Application Suitability

Industry Typical Applications
Engineering Machinery Hydraulic Cylinder, Construction Machinery
Industrial Equipment Forging Machine, Automation Equipment
Automotive Automobile Shock Absorber
Water Conservancy Water Conservancy Machinery

Struggling with Bearing Reliability in Hydraulic Systems? Meet Bdl 23218-23226cak Self-Aligning Roller Bearings

Finding the right spherical plain bearing for oscillating applications like hydraulic cylinder rod ends often means choosing between frequent maintenance and premature failure. Many buyers face downtime from bearings that can’t handle misalignment or require constant lubrication checks, while sourcing specific models across multiple suppliers wastes valuable time.

Self-Lubricating Design for Low-Maintenance Operations

The Bdl 23218-23226cak self-aligning roller bearing addresses these challenges with its self-lubricating feature, eliminating the need for regular grease加注 in hard-to-reach engineering hydraulic cylinder and construction machinery applications. Backed by ISO 9001-certified production processes, this bearing combines bearing steel durability with high precision dimensions (5×21×6 mm) to ensure drop-in compatibility with existing installations.

Optimal Performance in Oscillating Load Environments

This spherical plain bearing excels in radial load applications with moderate misalignment, such as forging machine linkages and automation equipment pivot points. Its whole outer ring design provides stability under dynamic loads, while the steel-on-steel sliding contact maintains low friction even at varying operating temperatures. Proper specification of bearing size and lubrication type is critical here—choosing a non-self-lubricating model in these environments would increase maintenance costs by up to 40% annually.

Engineering Details That Impact Service Life

Three key features define this bearing’s performance: First, the self-lubricating design integrates solid lubricant inserts that transfer to mating surfaces during operation, reducing wear and extending intervals between inspections. Second, the bearing steel material undergoes precise heat treatment to achieve optimal surface hardness, balancing wear resistance with toughness to prevent cracking under shock loads. Third, the 5×21×6 mm precision class tolerance ensures consistent fit across multiple installations, critical for automated production lines where interchangeability is essential. Together, these attributes deliver the long life and low noise performance specified in demanding industrial applications.

Total Cost of Ownership Starts with Proper Selection

Choosing the wrong spherical plain bearing can lead to hidden costs far exceeding initial savings. A bearing with inadequate load capacity or poor misalignment tolerance typically fails within 30% of the expected service life, causing equipment downtime, replacement labor, and potential damage to adjacent components. This bearing’s high precision manufacturing aligns with ISO 281 standards for calculating fatigue life, ensuring predictable performance in engineering hydraulic cylinder and construction machinery applications. By investing in a bearing designed for your specific load direction and lubrication requirements, you reduce total ownership costs through fewer replacements and maintenance interventions.

Quality Assurance You Can Verify

Our production process adheres to ISO 9001 quality management standards, with raw material incoming inspections and finished product testing for dimensional accuracy, surface hardness, and sliding contact performance. Each bearing comes with a warranty against manufacturing defects, providing assurance that your purchase meets specified requirements. As a supplier with access to both our BDL brand and major international bearing型号体系, we can source or produce to your exact specifications, whether you need standard replacements or custom-engineered solutions.

Packaging & Shipping

  • Neutral packing bearing suitable for industrial storage and handling
  • Available from stock for prompt dispatch
  • Flexible shipping options including express courier, air freight, and sea freight
  • Low minimum order quantity supported for both trial and bulk purchases

Get Your Bdl 23218-23226cak Bearing Quote Today

Whether you need a single replacement or a bulk order for production, provide us with your required quantity and delivery location, and we’ll confirm pricing and availability within 24 hours. We also welcome inquiries for other bearing types and brands—our extensive network allows us to source or match most industrial bearing specifications.

Frequently Asked Questions

Q: Do you supply other bearing brands or models beyond BDL?

A: Yes, we support inquiries for all major international and domestic bearing brands. Our network includes access to a comprehensive range of bearing types and型号体系 to meet your specific requirements.

Q: How can I confirm this bearing fits my equipment?

A: Provide your existing bearing’s model number or critical dimensions (bore diameter, outer diameter, width), and our technical team will verify compatibility with the Bdl 23218-23226cak specifications.

Q: What warranty coverage do you offer?

A: We provide a warranty against manufacturing defects. Specific terms and duration are detailed in each order confirmation, with replacement or refund available for verified quality issues.

Q: What is the minimum order quantity?

A: We accept low minimum order quantities, including single-unit purchases for emergency replacements, with volume pricing available for larger orders.

Q: How long does shipping take?

A: In-stock items ship within 1-2 business days. Shipping time depends on method: express courier (3-5 days), air freight (5-7 days), or sea freight (25-40 days) to most destinations.

Q: Can you produce custom bearings to my specifications?

A: Yes, we offer OEM/ODM services for custom bearing designs. Provide your technical drawings or performance requirements, and we’ll develop a solution tailored to your application.

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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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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