Description
Especificaciones del Producto
Parámetro
Detalles
Modelo NO.
Lubricación
Grasa o Aceite
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
Dimensión exterior
Material
Acero para rodamientos
Esférico
Alineación de rodamientos
Dirección de Carga
Rodamiento radial
Separado
No separado
Paquete de Transporte
Palet de Cartón
Especificación
Origen
China
Código HS
8482300000
Idoneidad de Aplicación
Industria
Aplicaciones Típicas
Construcción
Concrete mixer trucks operate under extreme conditions—constant vibration, heavy loads, and misalignment from uneven terrain. Choosing the wrong bearing often leads to premature failure, costly downtime, and safety risks. Many buyers struggle with finding bearings that balance precision, durability, and availability for these critical applications. Our Self-Aligning Roller Bearings, including models like 22220CA, 22222CA, 22224CA, and 22226CA, are engineered to address these challenges. With P0-P2 precision ratings and double-row roller design, they accommodate both radial loads and moderate axial loads, making them ideal for the mixing drum’s oscillating motion. As a professional bearing supplier with extensive industry experience, we ensure these bearings meet the rigorous demands of concrete mixer trucks through ISO 9001-certified production processes and comprehensive quality testing. Rendimiento Óptimo en Condiciones de Trabajo Pesadas
These self-aligning roller bearings excel in applications where shaft misalignment is common—such as concrete mixer drum axles. The spherical outer ring design allows for angular misalignment up to 2-3 degrees, reducing stress on the bearing and extending service life. Made from high-grade bearing steel, they withstand the heavy radial loads (typically 50-100 kN in mixer applications) and temperature variations from 0°C to 120°C encountered during operation. Proper clearance selection (C0, C3, or C4) further ensures optimal performance under different load and temperature conditions. Características clave de ingeniería para la longevidad
The double-row roller configuration distributes load evenly across the bearing, minimizing stress concentrations and improving fatigue resistance. Precision ratings from P0 (standard) to P2 (high precision) allow customization based on application requirements—P2 is recommended for high-speed mixer trucks where reduced vibration is critical. The unseparated design simplifies installation and maintenance, while the option for grease or oil lubrication provides flexibility for different operating environments. Surface hardness testing ensures the raceways and rollers meet industry standards, directly impacting wear resistance and overall bearing life. Por qué elegir el rodamiento adecuado reduce los costos totales
Selecting a quality self-aligning roller bearing like the 22220CA or 22226CA for concrete mixers reduces long-term costs significantly. Inferior bearings often fail within 3-6 months, leading to replacement labor, equipment downtime, and potential secondary damage to the mixer drum or axle. In contrast, properly selected bearings with the correct clearance and precision can operate for 12-18 months under normal conditions. By adhering to ISO 281 standards for bearing life calculation, we help customers avoid over-specifying (unnecessary cost) or under-specifying (premature failure), optimizing total cost of ownership. Calidad en la que puedes confiar
Our production and inspection processes are ISO 9001 certified, ensuring consistent quality from raw material testing to final dimensional checks. Each bearing undergoes hardness testing (typically 58-62 HRC for bearing steel) and surface finish inspection to meet specified tolerances. We provide a standard warranty against manufacturing defects, with clear terms for returns and replacements. With access to a wide range of global brands and models, we can source or produce bearings according to customer specifications, including OEM/ODM requirements. Our inventory system ensures common models are available for quick shipment, reducing lead times for urgent repairs. Embalaje estándar: Cajas de cartón con paletización para pedidos a granel
Whether you need 22220CA, 22222CA, 22224CA, 22226CA, or other self-aligning roller bearings for concrete mixer trucks, provide us with the model, quantity, and required precision class. Our team will confirm availability, pricing, and delivery time to help you keep your equipment running smoothly. Preguntas Frecuentes
P: ¿Suministra rodamientos de otras marcas o solo modelos específicos?
A: We support procurement of bearings across all major international and domestic brands, including SKF, NSK, NTN, Koyo, and others. We can source or produce bearings according to your specified brand, model, or dimensional requirements. Q: How can I confirm if this bearing fits my concrete mixer truck? A: Provide the original equipment manufacturer (OEM) part number, bearing dimensions (bore diameter d, outer diameter D, width B), or mixer model. Our technical team will cross-reference these details to verify compatibility. P: ¿Cuál es su política de garantía para estos rodamientos?
A: We offer a warranty against manufacturing defects, with terms varying by product and application. Typically, the warranty period is 6-12 months from delivery. Defective products will be replaced or refunded after inspection, as per the terms outlined in your purchase agreement. Q: What is the minimum order quantity for these self-aligning roller bearings? A: We have low minimum order quantities to accommodate both small maintenance orders and large-scale production needs. For standard models, we can often fulfill orders for single units, while bulk pricing is available for quantities over 50 units. Q: ¿Cuánto tiempo tarda en enviarse después de realizar un pedido?
A: In-stock models ship within 1-3 business days. For custom or non-stock items, lead times range from 7-30 days depending on production requirements. We offer express shipping options for urgent orders to minimize downtime. Q: Can you provide custom bearings with specific lubrication or packaging? A: Yes, we support OEM/ODM customization, including pre-lubrication with specific greases, custom laser marking, and special packaging (e.g., anti-corrosion coating,
22212
Large (200-430mm)
60*110*28 mm
Concrete Mixer Trucks
Need Reliable Self-Aligning Roller Bearings for Concrete Mixer Trucks? Here’s What Matters
Built for Demanding Concrete Mixer Operations
Packaging & Shipping
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