-- SKF Authorized Engineering Partner
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.
15+ Certified Engineers On-Call
Free application analysis · Failure diagnosis · Custom modification guidance. Response within 24 hours.
| SI5T/K | |
| 5 mm | |
| 21 mm | |
| 6 mm | |
| Package | Neutral Packing Bearing |
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.
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.
Rendimiento óptimo en entornos con cargas oscilantes
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. 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. 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. Garantía de calidad que puedes comprobar 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. Disponible en stock para envío inmediato
Opciones de envío flexibles que incluyen mensajería exprés, flete aéreo y flete marítimo
Se admite un pedido mínimo reducido tanto para compras de prueba como para compras al por mayor
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. 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. P: ¿Cómo puedo comprobar que este rodamiento es compatible con mi equipo?
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. P: ¿Qué cobertura de garantía ofrecen?
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. P: ¿Cuál es la cantidad mínima de pedido?
A: We accept low minimum order quantities, including single-unit purchases for emergency replacements, with volume pricing available for larger orders. P: ¿Cuánto tiempo tarda el envío?
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. P: ¿Pueden fabricar rodamientos a medida según mis especificaciones?
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?Engineering Details That Impact Service Life
Total Cost of Ownership Starts with Proper Selection
Packaging & Shipping
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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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Official partner since 1998 with direct access to SKF technical resources, genuine products, and engineering expertise.
In-house team provides application design, failure analysis, and predictive maintenance -- reducing bearing failures by 35%.
Every product undergoes rigorous pre-shipment inspection with full documentation for traceability and compliance.
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.
Custom bearing selection and system design based on your specific load conditions, speeds, temperatures, and environmental factors.
Root-cause investigation of bearing failures using metallurgical testing, vibration analysis, and operating data review.
IIoT-enabled monitoring with smart sensor bearings for real-time vibration, temperature, and RPM tracking.
Modified bearings with special coatings, seals, tolerances, or materials. Lead time 8-12 weeks from official channels.
Certified engineers available for on-site installation support, alignment checks, and commissioning assistance worldwide.
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.
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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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