Joint Bearing

Spherical Plain Bearing SI5T/K Self-Lubricating High Precision 5x21x6mm for Industrial Machinery

SKU: e2d81e0b48c7 In Stock

Ensure smooth, low-maintenance operation in your industrial machinery with the Spherical Plain Bearing SI5T/K—a self-lubricating solution engineered to deliver consistent precision and extended service life. Its compact 5x21x6mm design fits seamlessly into tight mechanical assemblies, while the steel-on-steel sliding contact ensures reliable performance under both radial and trust loads.

  • Self-lubricating bushing eliminates the need for frequent maintenance, reducing downtime and operational costs
  • High precision construction minimizes vibration and noise, enhancing overall machinery efficiency
  • Thin film lubrication technology ensures stable performance even in intermittent operation scenarios
Wholesale Price (FOB)
¥1.50
MOQ: 1 Piece • Bulk discounts available on inquiry
12-Month Warranty
Free Samples
Global Shipping
Product Specifications

Technical Details & Description

Especificaciones del Producto

Parámetro

Detalles

Modelo NO.

Cojinete Hidrodinámico

Material del buje

Auto-Lubricación

Dirección del Rodamiento

Confianza y Radial

Método de Lubricación

Control Intermitente de Combustible

Espesor de película lubricante

Lubricación de Película Delgada

Nombre del Producto

Cojinete de Superficie Esférica

Paquete

Embalaje Neutro de Rodamiento

Contacto Deslizante

Acero sobre Acero

Características

Alta Precisión, Larga Vida, Bajo Ruido

Servicio

OEM ODM

Paquete de Transporte

Palet de cartón

Especificación

Origen

China

Código HS

8482101000

SI5T/K
Lubricant & Load
5*21*6 mm

Industrias de Aplicación

Industria

Equipo Típico

Maquinaria Industrial

Machine Tools, Printing Equipment, Reducers

Eliminate Downtime with Reliable SI5T/K Spherical Plain Bearing for Industrial Machinery

Industrial machinery operators know the frustration of unexpected downtime caused by bearing failures. When a spherical plain bearing fails prematurely, it halts production lines, increases maintenance costs, and delays deadlines. Many face challenges with sourcing high-precision, self-lubricating bearings that meet strict application requirements while keeping lead times short.

Self-Lubricating Spherical Plain Bearing SI5T/K: Engineered for Uninterrupted Performance

Our Spherical Plain Bearing SI5T/K is designed to address these pain points with its self-lubricating bushing material and high precision construction. As an integrated bearing manufacturer with ISO9001 certification, we ensure consistent quality that industrial machinery makers demand. The 5x21x6mm size is ideal for precision applications in machine tools and printing equipment, where reliable rotation directly impacts operational efficiency.

Where This Spherical Plain Bearing Excels

The SI5T/K Spherical Plain Bearing performs exceptionally in industrial machinery applications requiring both radial and thrust load capabilities. Its steel-on-steel sliding contact and thin film lubrication system make it suitable for moderate speed operations where maintenance access is limited. Whether used in pivot points of machine tool components or linkage systems in printing presses, this bearing delivers stable performance under varying load conditions.

Technical Details That Define Performance

Three key technical features set the SI5T/K apart: its self-lubricating bushing material eliminates the need for frequent maintenance, reducing operational interruptions. The hydrodynamic bearing design ensures efficient load distribution, extending service life in continuous operation. With high precision manufacturing, this bearing maintains tight tolerances (5x21x6mm) crucial for machinery alignment, minimizing vibration and noise during operation. These attributes combine to create a bearing solution that balances longevity with low maintenance requirements.

Por qué los rodamientos de calidad son importantes para el costo total de propiedad

Choosing a high-quality spherical plain bearing like the SI5T/K ultimately reduces total ownership costs. Inferior bearings may have lower upfront prices but often fail prematurely, leading to unplanned downtime, replacement parts, and labor expenses. Our bearings, backed by a 12-month global warranty, provide predictable performance and longer service intervals. The combination of self-lubrication and precision engineering means fewer maintenance interventions and more consistent machine operation, directly impacting your bottom line.

Why Industrial Manufacturers Trust Saifan Bearings

With over 18 years of bearing manufacturing experience, Saifan has served global buyers across Europe, America, and Southeast Asia. Our production capacity of 1,000,000 units annually ensures stable supply even for large-scale projects. Every bearing undergoes rigorous quality control in our dedicated lab, from raw material inspection to final performance testing. We offer flexible ordering with 1pc MOQ for standard items and 3-5 day sample lead times, supporting both emergency repairs and planned production. Our technical team provides free guidance on bearing selection and application, ensuring you get the right component for your specific machinery needs.

Packaging & Shipping

  • Neutral packing with protective carton pallet for secure transportation
  • Tiempo de entrega de muestra: 3–5 días para artículos estándar

    Entrega a granel: 5–15 días después de la confirmación del pedido

  • Multiple shipping options including express, air, and sea freight
  • 1pc MOQ disponible para necesidades de reemplazo de emergencia

Get Your SI5T/K Bearing Today

Don’t let bearing issues disrupt your production schedule. Whether you need a single replacement or bulk order, our SI5T/K Spherical Plain Bearing is ready to ship. Send us your specifications and application details, and our team will confirm compatibility and provide a competitive quote within 24 hours.

Preguntas Frecuentes

Q: Is this bearing suitable for high-precision industrial machinery?

A: Yes, the SI5T/K features high precision manufacturing and is specifically designed for industrial machinery applications requiring reliable performance and tight tolerances.

Q: How does the self-lubricating feature work in this bearing?

A: The bearing uses a self-lubricating bushing material with intermittent fuel control lubricating way, reducing the need for frequent maintenance while maintaining proper lubrication under operational conditions.

P: ¿Qué cobertura de garantía ofrecen?

A: We provide a 12-month global warranty covering manufacturing defects, with free replacement or refund available for qualifying issues.

Q: What is the minimum order quantity for this bearing?

A: Aceptamos un MOQ de 1 pieza para artículos estándar, apoyando tanto reparaciones de emergencia como requisitos de pequeñas cantidades.

Q: ¿Qué tan rápido puedo recibir mi pedido?

A: Sample lead time is 3–5 days, with bulk delivery taking 5–15 days depending on order size and shipping method.

Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.

Sample Policy

Free samples available for distributors. 3–5 days production lead time.

Bulk Delivery

5–15 days for bulk orders. T/T, L/C and Alibaba payments accepted.

Certifications

ISO 9001:2015, ISO 14001 certified. ABMA / DIN compliant.

After-Sales

12-month warranty plus dedicated technical failure analysis support.

Engineering Insights

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