Especificaciones del Producto
Parámetro
Detalles
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 mm |
Paquete de Transporte
Palé de Cartón
Especificación
| 55*120*29 mm |
Marca registrada
,
,
Origen
China
Código HS
8482300000
Capacidad de Producción
1000000 unidades
Industrias de Aplicación
Industria
Equipo Típico
Maquinaria Industrial
Herramientas de Máquina, Equipos de Impresión, Reductores
Automotriz
Cubos de Rueda, Sistemas de Transmisión
Agricultura
Cosechadoras, Tractores
Nueva Energía
Aerogeneradores, Equipos Fotovoltaicos
Construcción
Excavadoras, Maquinaria de Carga Pesada
Minimize Downtime with Reliable 21311-21316CC W33 Self-Aligning Roller Bearings
Industrial machinery operators know the frustration of unexpected downtime caused by bearing failures. Misalignment issues, heavy radial loads, and inconsistent quality from low-cost suppliers often lead to frequent replacements and production losses. Sourcing precision bearings that balance performance, availability, and cost remains a constant challenge for maintenance teams and procurement managers.
Rodamientos de rodillos autoalineables diseñados para la durabilidad industrial
Our Self-Aligning Roller Bearings 21311-21316CC W33 series address these pain points with P0-P4 precision ratings and robust double-row roller design. As an integrated manufacturer with ISO9001 and ISO14001 certifications, we ensure each bearing meets strict quality standards for machine tools, reducers, and heavy-duty industrial equipment. With 1pc MOQ for standard items and 3-5 days sample lead time, we support both emergency repairs and scheduled maintenance needs.
Rendimiento Óptimo en Condiciones Industriales Exigentes
These self-aligning roller bearings excel in applications with misalignment, heavy radial loads, and moderate axial loads—common challenges in printing machinery, conveyor systems, and agricultural equipment. The W33 lubrication groove and recess design ensures efficient grease distribution, while the double-row configuration provides enhanced load capacity compared to single-row alternatives. Whether operating in dusty factory environments or variable temperature conditions, these bearings maintain consistent performance to keep your equipment running.
Características técnicas clave que maximizan la vida útil
Precision rating directly impacts operational stability: P4 grade bearings deliver tighter tolerances for high-speed machine tools, while P0 grade offers cost-effective reliability for general industrial use. Clearance options (C0, C3, C4) allow customization for thermal expansion needs—C3 clearance is ideal for applications with temperature fluctuations, preventing premature failure from internal stress. The bearing steel construction provides excellent fatigue resistance, ensuring longer service life under cyclic loading conditions typical in manufacturing equipment.
Valor a Largo Plazo de los Rodamientos de Precisión Auténticos
Choosing genuine high-precision bearings reduces total cost of ownership by minimizing unplanned downtime and replacement frequency. Counterfeit bearings often fail prematurely, leading to secondary equipment damage and production losses that far exceed initial cost savings. Our bearings undergo rigorous quality control through full R&D and QC lab testing, ensuring compliance with international standards. With a 12-month global warranty and defect replacement policy, we stand behind the performance of every bearing we supply.
Por qué los compradores industriales eligen los rodamientos Saifan
With 18 years of manufacturing experience since 2005, we serve global buyers across Europe, America, Southeast Asia, and the Middle East. Our production capacity of 1,000,000 units annually ensures stable supply, while OEM/ODM customization capability meets specialized equipment requirements. We provide free technical guidance to help select the right bearing for your application, and our flexible payment options (T/T, credit card, Alibaba trade) streamline procurement. Each bearing is shipped in secure carton pallet packaging to prevent damage during transit.
Packaging & Shipping
- Standard carton packaging with pallet reinforcement for bulk orders
- 3-5 days lead time for samples, 5-15 days for bulk delivery
Envío global a través de DHL, FedEx, UPS, transporte aéreo o transporte marítimo
Número de seguimiento en tiempo real proporcionado al envío
1pc cantidad mínima de pedido para especificaciones estándar
Get Your Industrial Bearings Shipped Fast
Don’t let bearing issues disrupt your production schedule. Whether you need a single replacement bearing or bulk order for scheduled maintenance, we ensure prompt delivery and reliable performance. Early ordering helps avoid emergency downtime costs—contact us today with your specifications.
Preguntas Frecuentes
P: ¿Son estos rodamientos auténticos y trazables?
A: Yes, we supply authentic bearings with full traceability. As an ISO9001 certified manufacturer, each product undergoes strict quality control and can be traced through our production records.
Q: How do I confirm the correct bearing size for my equipment?
A: Provide your equipment model or existing bearing designation, and our technical team will verify compatibility. We also offer free sample evaluation for critical applications.
P: ¿Cuál es su política de garantía para estos rodamientos?
A: Ofrecemos una garantía global de 12 meses que cubre defectos de fabricación. Los productos defectuosos serán reemplazados o reembolsados según la preferencia del cliente.
Q: What is the minimum order quantity for 21311CC W33 bearings?
A: The minimum order quantity is 1 piece for standard specifications, supporting emergency repair needs.
Q: How long does it take to ship to European countries?
A: Standard bulk orders ship within 5-15 days, with DHL/FedEx delivery to Europe typically taking 3-5 business days after shipment.
Q: Can you provide custom bearing solutions for special equipment?
A: Yes, we offer full OEM/ODM customization services. Provide your technical specifications, and our engineering team will develop tailored solutions.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.
