Thrust Self-aligning Roller Bearing
ISO 9001 Certified
TS 16949
Genuine SKF
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Thrust Self-aligning Roller Bearing
21320-21324CA W33 Self-Aligning Roller Bearings High Quality
Ensure smooth, reliable operation even under misalignment with our premium Self-Aligning Roller Bearings (21320-21324CA W33). Designed to minimize downtime and extend equipment life, these high-quality bearings deliver consistent performance in demanding industrial settings.
- W33 lubrication groove ensures optimal grease distribution for reduced friction and longer service intervals
- Self-aligning design compensates for shaft deflection, protecting machinery from premature wear
- Engineered to handle heavy radial loads while maintaining precision, ideal for conveyors, pumps, and gearboxes
7
Day Prototype
vs. 8-12 wks standard
50+
Countries Served
Global logistics network
12h
Quote Response
Expert engineers on call
Typical Applications
Wind Power
Mining
Steel & Metallurgy
Automotive / EV
Rail Transit
Precision Machinery
Genuine SKF Bearings
NDA Protected
Free Sample for Orders > $50K
Global Shipping
Product Details
Especificaciones del Producto
Parámetro
Detalles
Idoneidad de la Aplicación
Industria
Aplicaciones Típicas
Maquinaria de Construcción
Energía Eólica
Mecanismos de control de inclinación, sistemas de accionamiento de guiñada
Minería Conjuntos de rodillos de transportador, rodamientos de trituradora
Metalurgia del Acero Anyone sourcing bearings knows the frustration: spending hours verifying dimensions across different standards, only to receive a part that fails prematurely under load. In heavy industries like mining or construction, a single bearing failure can halt operations for days—costing far more than the component itself. With so many brands and型号 on the market, finding a trustworthy supplier that can deliver the right part quickly feels like solving a puzzle. Diseñado para un Rendimiento Consistente en Entornos Exigentes
The 21320-21324CA W33 self-aligning roller bearings are designed to address these challenges. As a supplier with access to full product lines from leading international and domestic brands, we ensure these bearings meet the same dimensional standards as major manufacturers, making replacement straightforward. Our ISO 9001-certified sourcing process includes material and finished product inspections, so you get bearings that perform reliably in applications like conveyor systems or hydraulic actuators where misalignment and heavy radial loads are common. Self-aligning roller bearings excel in environments where shaft misalignment occurs—whether from installation tolerances or operational deflection. The 21320-21324CA W33 series handles angular misalignment up to 2-3 degrees, reducing stress on adjacent components. With a robust design optimized for radial loads, these bearings are ideal for heavy machinery in mining, steel production, and construction, where consistent performance under variable loads is critical. Características clave de ingeniería que impactan la vida útil
Several design elements make these bearings suitable for industrial applications. The W33 suffix indicates a lubrication groove and three oil holes in the outer ring, facilitating relubrication in hard-to-reach installations—a feature that extends maintenance intervals in equipment like wind turbine gearboxes. The cage design maintains proper roller spacing under high speeds, minimizing friction and heat buildup. Precision-machined raceways ensure even load distribution across the rollers, reducing the risk of premature wear. Surface hardness, typically 58-62 HRC, provides the durability needed to withstand shock loads in construction equipment. Choosing the right self-aligning roller bearing goes beyond upfront price. A bearing with subpar material quality or imprecise manufacturing may cost less initially but can lead to frequent replacements, unplanned downtime, and even damage to costly machinery. Properly specified bearings, like the 21320-21324CA W33 series, follow ISO standards for load ratings and fatigue life, contributing to longer service intervals and lower total cost of ownership. In industries like cement production or marine applications, where equipment access is limited, reliable bearings directly reduce maintenance labor costs. Aseguramiento de Calidad Que Puedes Verificar
Our commitment to quality starts with rigorous supplier selection. All bearings undergo dimensional checks to ensure bore diameter, outer diameter, and width match specifications. Hardness testing confirms material integrity, while surface finish inspections prevent premature seal wear. We provide a warranty against manufacturing defects, and our inventory system ensures you receive bearings stored under proper conditions—free from corrosion or contamination. Whether you need a single replacement or bulk order, we source directly from established production facilities with traceable quality control processes. Embalaje industrial estándar con protección anticorrosión
Disponible en stock para envío inmediato
Opciones de envío flexibles: mensajería exprés, transporte aéreo o transporte marítimo
To ensure you receive the correct bearing for your application, share your equipment make, model, or specific dimensions (d x D x B). Our technical team can help verify compatibility with your existing setup. With access to multiple brands, we can also provide alternatives if you need a specific manufacturer. The sooner you confirm your requirements, the faster we can arrange delivery to minimize downtime. Preguntas Frecuentes
Q: ¿Suministran rodamientos de otras marcas o型号?
A: Yes, we offer a full range of bearing brands and型号. We can source according to your specified brand, dimensions, or application requirements. Q: ¿Cómo puedo confirmar si este rodamiento se ajusta a mi equipo?
A: Provide your equipment model number or the bearing dimensions (bore diameter, outer diameter, width), and our technical team will cross-reference with manufacturer specifications to verify compatibility. P: ¿Cuál es su política de garantía para los rodamientos?
A: We provide a warranty covering manufacturing defects. The specific terms are detailed in each order confirmation, and claims are processed based on inspection of returned products. P: ¿Cuál es la cantidad mínima de pedido?
A: We accept low minimum orders, including single units for maintenance needs, as well as large quantities for production requirements. P: ¿Cuánto tiempo tarda el envío?
A: In-stock bearings ship within 1-2 business days. Delivery time depends on your location and chosen shipping method: express courier (2-5 days), air freight (5-7 days), or sea freight (varies by destination). Q: ¿Puede proporcionar rodamientos personalizados (OEM/ODM)?
A: Yes, we support custom bearing production based on your drawings, specifications, or sample parts for specialized applications. Ready to order or need a quote?
Excavator arm joints, loader pivot points
Rolling mill stands, continuous casting equipment
Need Reliable 21320-21324CA W33 Self-Aligning Roller Bearings? Here’s What Counts
Optimal Performance Under Real-World Conditions
Why Bearing Quality Affects Your Total Operating Costs
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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Product Summary
- Product Name
- 21320-21324CA W33 Self-Aligning Roller Bearings High Quality
- Category
- Thrust Self-aligning Roller Bearing
- Brand
- SKF
- Certification
- ISO 9001 · TS 16949
- Lead Time
- 7 Working Days
Get a Custom Quote
Our engineers will respond within 12 hours with a tailored solution.
Request QuoteGeneral Specifications
| Bearing Type | Thrust Self-aligning Roller Bearing |
| Brand | SKF |
| Quality Standard | ISO 9001 / TS 16949 |
| Precision Grade | P0 / P5 / P6 (custom) |
| Material | Chrome Steel / Stainless |
| Cage Material | Steel / Brass / Polyamide |
| Lubrication | Grease / Oil (specify) |
| Operating Temp. | -40°C to +200°C |
| Min. Order Qty | 1 pc (samples available) |
| Prototype Lead Time | 7 Working Days |
Performance Parameters
| Load Capacity | Contact for C0/Cr values |
| Speed Rating | Contact for ndm limit |
| Vibration Level | Z1 / Z2 / Z3 (custom) |
| Noise Level | V1 / V2 / V3 (custom) |
| Fatigue Life | L10h per ISO 281 |
| Sealing Options | Open / Z / 2Z / RS / 2RS |
Custom Specifications Available
Our engineering team can modify bearing dimensions, materials, seals, and clearances to meet your specific operating requirements. Submit your drawing or spec sheet for a tailored proposal.
Wind Power
Main shaft bearings, gearbox bearings, and generator bearings for onshore and offshore wind turbines.
Mining & Quarrying
Heavy-duty bearings for crushers, conveyors, and rotary equipment in extreme dust and shock-load environments.
Steel & Metallurgy
High-temperature bearings for rolling mills, continuous casting, and furnace applications.
Automotive / EV
Wheel hub bearings, transmission bearings, and e-motor bearings for passenger and commercial vehicles.
Rail Transit
Axle box bearings, traction motor bearings, and gearbox bearings meeting EN/UIC railway standards.
Precision Machinery
High-precision spindle bearings, angular contact bearings, and super-precision bearings for CNC and robotics.
Application Design
EngineeringOur engineers analyze your operating conditions -- load, speed, temperature, environment -- and select or design the optimal bearing solution to maximize service life and reduce total cost of ownership.
Custom Modification
7-Day TurnaroundNeed non-standard dimensions, special materials, or modified clearances? We can modify standard SKF bearings or manufacture fully custom solutions with a 7-day prototype turnaround.
Failure Analysis
DiagnosticsWhen bearings fail prematurely, our team conducts root-cause analysis using advanced diagnostic tools to identify the failure mode and recommend corrective action.
Predictive Maintenance
Up to 40% Less DowntimeWe deploy vibration monitoring, thermal imaging, and oil analysis programs that detect bearing deterioration early -- reducing unplanned downtime by up to 40%.
On-site Installation
Global CoverageProper installation is critical to bearing performance. Our certified technicians provide on-site installation support, alignment verification, and operator training worldwide.
Lifecycle Support
Enterprise SLAFrom initial selection through end-of-life, our dedicated account managers provide scheduled maintenance plans, re-lubrication programs, and replacement forecasting for enterprise clients.
Why SKF China
The engineering partner advantage
7 Days
Prototype Lead Time
vs. 8-12 weeks via standard channels
15+
Certified Engineers
SKF-certified, on-call for your project
50+
Countries Delivered
Reliable global logistics network
Request a Quote
Get a custom quote for
21320-21324CA W33 Self-Aligning Roller Bearings High Quality
NDA protected · Free samples for orders > $50K · Reply within 12 hours
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