-- SKF Authorized Engineering Partner
Ensure smooth, reliable performance in your machinery with high-quality Self-Aligning Roller Bearings designed to minimize downtime and reduce maintenance headaches. These bearings handle misalignment effortlessly, keeping your operations running smoothly even in challenging conditions.
15+ Certified Engineers On-Call
Free application analysis · Failure diagnosis · Custom modification guidance. Response within 24 hours.
Especificações do Produto
Parâmetro
Detalhes
Número do Modelo
Tipo de Rolamento
Rolamentos de Rolos
Material
Aço para rolamentos
Lubrificação
Graxas ou Óleo
Classificação de Precisão
P0, P6, P5, P4, P2
Vibração
, Direção de Carga
Rolamento Radial
O Número de Linhas Individual
Separado
Separado
Dimensão Externa
35 mm-400 mm
Especificação
Serviço
OEM, ODM
Pacote de transporte
Caixa, Palete
Origem
China
Código HS
8482200000
Adequação da Aplicação
Indústria
Aplicações Típicas
máquinas de engenharia
metalurgia do aço
Equipamentos de laminação, máquinas de transporte
equipamentos de automação
máquinas de mineração
Finding the right roller bearings for heavy-duty applications can be challenging. Many buyers face problems like mismatched dimensions causing installation delays, or bearings failing prematurely due to poor material quality. Sourcing from multiple suppliers for different brands only adds to the complexity, increasing lead times and costs. Projetado para Desempenho Consistente em Condições Exigentes
Our 21320-21324CA W33 self-aligning roller bearings address these challenges with ISO 9001 certified manufacturing processes and strict quality control. As a supplier with access to a wide range of brands—including both our own and international options—we can quickly match your required specifications. Whether for hydraulic systems in construction machinery or conveyor equipment in mining operations, these bearings deliver reliable performance under radial loads. These self-aligning roller bearings excel in applications with moderate misalignment and heavy radial loads, such as in steel mill conveyors or industrial gearboxes. The single-row design and separated structure allow for easy mounting and maintenance, while the 35mm-400mm outer dimension range suits various equipment sizes. Proper lubrication with grease or oil ensures smooth operation even in dusty or high-moisture environments. Principais Características de Engenharia para Longa Vida Útil
The bearing steel construction provides excellent hardness and wear resistance, critical for withstanding continuous operation under load. Precision ratings from P0 to P2 ensure dimensional accuracy, reducing vibration and noise—with Z1V1 to Z3V3 vibration classes meeting strict machinery requirements. The radial load capacity makes these bearings ideal for applications where axial loads are minimal, such as in agricultural machinery or material handling equipment. The 50*90*23 mm specification offers a common size for easy interchangeability with standard systems. Por que a escolha do rolamento certo reduz os custos totais
Investing in quality bearings reduces long-term costs by minimizing downtime and replacement frequency. Inferior bearings often fail early due to substandard material hardness or imprecise dimensions, leading to equipment damage and production losses. Our bearings undergo rigorous testing, including material inspection and dimensional checks, ensuring they meet industry standards. By selecting the correct precision class and vibration rating for your application, you optimize performance and extend equipment life, ultimately lowering total ownership costs. Garantia de Qualidade em Que Você Pode Confiar
Our production processes are ISO 9001 certified, with comprehensive testing at every stage—from raw material verification to成品尺寸,硬度, and表面 treatment checks. We stand behind our products with a warranty covering manufacturing defects, ensuring peace of mind for your operations. With a wide network of suppliers, we can source both standard and hard-to-find bearing models, and our substantial inventory allows for quick delivery to meet your project timelines. Embalado em caixas de papelão e paletes para um transporte seguro
Disponível em estoque para despacho rápido
Opções flexíveis de envio, incluindo frete expresso, aéreo e marítimo
Quantidade mínima de pedido baixa suportada para compras pequenas e grandes
Whether you need a specific model, custom specifications, or help identifying the right bearing for your application, our team is ready to assist. Provide your required model number, dimensions, and quantity, and we’ll quickly deliver a competitive quote and lead time. The sooner you confirm your order, the faster we can arrange shipping to keep your operations running smoothly. Perguntas frequentes
P: Você fornece rolamentos de outras marcas ou modelos?
A: Yes, we offer a full range of bearing brands and models. We can source according to your specific brand or dimensional requirements. P: Como posso ter certeza de que esse rolamento é compatível com o meu equipamento?
A: Provide your equipment model or the required bearing dimensions (d x D x B), and our technical team will verify compatibility. Q: Qual é a sua política de garantia?
A: We provide a warranty against manufacturing defects. Specific terms are detailed in our sales contract. Q: Qual é a quantidade mínima de pedido?
A: We support low minimum order quantities, including small trial orders to meet your needs. Q: Quanto tempo leva o envio?
A: In-stock items ship immediately. Delivery time depends on your location and chosen shipping method (express, air, or sea). P: Vocês podem fabricar rolamentos personalizados (OEM/ODM)?
A: Yes, we offer OEM and ODM services. Please provide your drawings or detailed specifications for a custom quote. Ready to order or need a quote?
30202, 30302, 30203, 32203, 30303, 32303
50*90*23 mm
液压系统部件、传动机构
精密传动组件
重载设备轴承单元
Need Reliable 21320-21324CA W33 Self-Aligning Roller Bearings? Avoid These Common Issues
Optimal Performance in Heavy-Duty Radial Load Applications
Packaging & Shipping
Get Your Quote for 21320-21324CA W33 Bearings Today
Send the bearing model, dimensions (d x D x B), and quantity — we’ll get back to you with pricing and lead time.
Contact us via email or phone for prompt assistance.
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Crushers, conveyors, and processing equipment bearings designed to withstand shock loads and contaminated environments.
Rolling mill and continuous casting bearings rated for extreme temperatures, heavy loads, and aggressive lubricants.
Hub units, transmission, and electric motor bearings meeting TS 16949 requirements for passenger and commercial vehicles.
Machine tool spindle and robotics bearings with P4/P2 accuracy class for ultra-precise positioning and minimal vibration.
Pumps, fans, compressors, and conveyor systems across all manufacturing sectors requiring reliable, cost-effective bearing solutions.
Official partner since 1998 with direct access to SKF technical resources, genuine products, and engineering expertise.
In-house team provides application design, failure analysis, and predictive maintenance -- reducing bearing failures by 35%.
Every product undergoes rigorous pre-shipment inspection with full documentation for traceability and compliance.
Dedicated account managers and reliable delivery networks ensure on-time supply for enterprise clients worldwide.
Performance Metrics
35%
Failures Prevented
70%
Downtime Reduction
25+
Years Experience
24h
Quote Response
78% of large enterprises prefer suppliers offering integrated technical support and lifecycle services.
Custom bearing selection and system design based on your specific load conditions, speeds, temperatures, and environmental factors.
Root-cause investigation of bearing failures using metallurgical testing, vibration analysis, and operating data review.
IIoT-enabled monitoring with smart sensor bearings for real-time vibration, temperature, and RPM tracking.
Modified bearings with special coatings, seals, tolerances, or materials. Lead time 8-12 weeks from official channels.
Certified engineers available for on-site installation support, alignment checks, and commissioning assistance worldwide.
Long-term service agreements including regular maintenance checks, replacement scheduling, and performance reporting.
Free samples available for orders over $50K
Validated against your KPIs before full production commitment.
-- Get In Touch
Our certified engineers will review your application requirements and provide a detailed quote within 24 hours.
Address
No. 377 Bansongyuan Road, Huangpu District, Shanghai, China
Free Sample Program
Orders over $50K qualify for free product samples
Test against your KPIs before full production commitment. Ask our engineers for details.
Regarding: 21320-21324CA W33 Self-Aligning Roller Bearings High Quality
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