Especificaciones del Producto
Parámetro
Detalles
Número de modelo
| 21311CCK |
Clasificación de Precisión
P0, P6, P5, P4, P2
Liquidación
C0, C3, C4
Servicio
OEM, ODM
Cuerpo Rodante
Rodamientos de rodillos
El número de filas
Doble
Material
Acero para rodamientos
Esférico
Alineación de rodamientos
Dirección de Carga
Rodamiento Radial
Separado
No separado
Dimensión exterior
50-2500
Especificación
| 55*120*29 mm |
Código HS
8482300000
Industrias de Aplicación
Industria
Equipo Típico
Maquinaria Industrial
Herramientas de Máquina, Equipos de Impresión, Reductores
Maquinaria Agrícola
Cosechadoras, Tractores
Construcción
Excavadoras, Maquinaria de Carga Pesada
Fabricación
| CNC Machines, Conveyors, Pumps |
Reduce Downtime with Reliable 21311-21316CCK W33 Self-Aligning Roller Bearings
Equipment failure due to bearing issues costs manufacturers thousands in lost production each year. Many face challenges with inconsistent quality from unknown suppliers, long lead times for custom orders, and difficulty finding precision bearings that meet industrial machinery requirements. When bearings fail prematurely, the ripple effect includes missed deadlines, increased maintenance costs, and frustrated customers.
Rodamientos de rodillos autoalineables diseñados para el rendimiento industrial
Our Self-Aligning Roller Bearings 21311-21316CCK W33 are designed to address these pain points. With P0-P4 precision ratings and C0-C4 clearance options, they deliver stable performance in heavy-load industrial applications. As an integrated manufacturer with full R&D and QC capabilities, we ensure each bearing meets strict quality standards, supported by ISO9001 and ISO14001 certifications. Whether for machine tools, printing presses, or agricultural equipment, these bearings provide the reliability your operations demand.
Rendimiento Óptimo en Entornos Industriales Exigentes
Self-aligning roller bearings excel in applications where shaft misalignment is common, such as in conveyor systems and heavy machinery. The double-row design and spherical outer ring allow for angular misalignment up to 2-3 degrees, reducing stress on the shaft and extending equipment life. These bearings are built to handle radial loads efficiently, making them ideal for industrial machinery that operates under constant heavy loads and variable speeds.
Características Técnicas Clave que Importan
Precision rating is critical for industrial machinery performance. Our P0-P4 precision bearings ensure minimal vibration and noise, which is essential for high-speed applications like CNC machines. The clearance options (C0-C3-C4) allow customization based on operating conditions—C3 and C4 clearances are recommended for high-temperature environments where thermal expansion occurs. Constructed from high-quality bearing steel, these bearings offer excellent wear resistance, ensuring long service life even in dusty or humid industrial settings. The unseparated design simplifies installation and maintenance, reducing downtime during replacements.
Por qué los rodamientos auténticos reducen los costos totales
Choosing genuine Self-Aligning Roller Bearings over counterfeit alternatives reduces long-term costs significantly. Counterfeit bearings often fail early due to poor material quality and imprecise manufacturing, leading to unexpected equipment shutdowns. A single unplanned downtime event can cost more than the price of several genuine bearings. Our bearings come with a 12-month global warranty, ensuring that any manufacturing defects are promptly addressed with replacement or refund. By investing in authentic, precision-engineered bearings, you avoid the hidden costs of frequent replacements and production losses.
Nuestro Compromiso con Su Éxito
With 18 years of experience serving global buyers, we have built a reputation for reliability. Our production capacity of 1,000,000 units annually ensures stable supply, even for large orders. We offer flexible ordering with 1pc MOQ for standard items, 3–5 days sample lead time, and 5–15 days bulk delivery, making us a trusted partner for both emergency repairs and regular stock replenishment. Our technical team provides free guidance to help you select the right bearing for your application, ensuring optimal performance and longevity. All products are traceable through our quality control system, giving you peace of mind with every purchase.
Packaging & Shipping
Embalaje en cartón y paletas para un transporte seguro
3–5 días de tiempo de entrega de muestras para pruebas y validación
Entrega a granel de 5 a 15 días para cumplir con su programa de producción
- Multiple shipping options including T/T, credit card, and Alibaba trade保障
1 pieza MOQ disponible para necesidades de reemplazo de emergencia
Get Your Bearings When You Need Them
Don’t let bearing issues slow down your operations. Send us your bearing model, required precision grade, and quantity, and our team will provide a quote within 24 hours. With free samples available (buyer covers freight), you can test the performance before committing to a bulk order. Ensure your machinery runs smoothly with bearings you can trust—contact us today to get started.
Preguntas Frecuentes
P: ¿Son estos rodamientos genuinos y trazables?
A: Yes, we are an integrated manufacturer with strict quality control. Each bearing is produced in our ISO-certified facility and comes with full traceability documentation.
P: ¿Cómo confirmo el modelo de rodamiento correcto para mi equipo?
A: Provide your equipment model, operating load, and speed, and our technical team will assist with free选型确认 to ensure compatibility.
P: ¿Cuál es la política de garantía?
A: Ofrecemos una garantía global de 12 meses. Los defectos de fabricación están cubiertos por un reemplazo o reembolso gratuito.
P: ¿Cuál es la cantidad mínima de pedido?
A: 1pc MOQ para artículos estándar, apoyando tanto reparaciones pequeñas como necesidades de producción a gran escala.
P: ¿Cuánto tiempo tarda el envío?
A: Samples ship in 3–5 days, bulk orders in 5–15 days. We work with global logistics providers for timely delivery.
Q: Can I request custom specifications?
A: Yes, we offer full OEM/ODM customization. Contact us with your specific requirements for a tailored solution.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.
