-- SKF Authorized Engineering Partner
Ensure smooth, reliable performance in your automobile or rolling mill applications with high-quality Needle Roller Bearings designed to handle radial and thrust loads effortlessly. Crafted from durable Bearing Steel, these HK0608, HK0808, 0810, and 0908 models deliver consistent precision with P0-P2 rating options, reducing downtime and maintenance headaches.
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
Rolamento de esferas de contato angular
Separado
Não separado
Número de Linhas
Duplo
Direção de Carga
Rolamento radial, rolamento axial
Material
Aço para rolamentos
Classificação de Precisão
P0, P6, P5, P4, P2
Lubrificação
Graxas ou Óleo
Vibração
, Especificação
Serviço
OEM, ODM
Estoque
Ações Ricas
Adequação da Aplicação
Indústria
Aplicações Típicas
Automóvel
Sistemas de transmissão, cubos de roda
Laminador
Conjuntos de roletes, mecanismos de acionamento
Minha
Metalurgia
Máquinas de lingotamento contínuo, conjuntos de laminação
Finding the correct angular contact ball bearing for your equipment can feel like searching for a needle in a haystack. Mismatched dimensions lead to installation headaches, while low-quality bearings fail prematurely, causing costly downtime. With so many models and brands on the market, getting the right part quickly often means dealing with multiple suppliers—wasting time and money. Our angular contact ball bearings, including models 3311A, 3311A-2Z, and 3311DMA, are built to solve these issues. Manufactured with ISO 9001-certified processes, these double-row bearings handle both radial and thrust loads, making them ideal for high-stress applications like automobile transmissions and rolling mill equipment. With rich stock availability, we eliminate the wait, ensuring you get the bearings you need when you need them. These bearings thrive in harsh conditions where reliability is non-negotiable. Whether in mining conveyors subjected to constant vibration or metallurgical machinery operating at extreme temperatures, their bearing steel construction and precision ratings (from P0 to P2) ensure consistent performance. The double-row design provides enhanced load capacity, while options for grease or oil lubrication allow customization to your specific operating environment. Principais características de engenharia que influenciam a durabilidade
The 120*55*49.2 mm specification ensures compatibility with standard industrial equipment, reducing the risk of misalignment during installation. Bearing steel material offers superior hardness and wear resistance, critical for withstanding the heavy loads found in mining and metallurgy. Precision ratings like P5 and P4 minimize vibration (Z1V1 to Z3V3 classes), extending bearing life and reducing noise in high-speed applications. The unseparated design simplifies handling and installation, a crucial factor in reducing assembly time and errors. Por que a escolha do rolamento certo reduz o custo total Investing in quality angular contact ball bearings pays off over time. A bearing that meets precision standards and load requirements reduces the risk of early failure, avoiding unplanned downtime and expensive repairs. In contrast, inferior bearings with subpar material hardness or inaccurate dimensions can lead to equipment damage, production delays, and increased maintenance costs. By selecting a bearing designed for your specific application, you optimize performance and minimize total cost of ownership. Qualidade em que você pode confiar, respaldada por padrões rigorosos
Our commitment to quality starts with strict原材料检验 and continues through成品尺寸、硬度及表面处理检测. Each bearing undergoes testing to ensure compliance with industry standards, and we stand behind our products with a warranty against manufacturing defects. With access to a wide range of brands—including BDL, NTN, NSK, NMB, Koyo, NACHI, and Timken—we can source or produce bearings to your exact specifications, whether you need standard models or custom OEM/ODM solutions. Embalado em caixas e paletes para transporte seguro
Whether you need the 3311A, 3311A-2Z, 3311DMA, or another model, we’re here to help. Provide your required bearing type, dimensions, and quantity, and our team will quickly confirm availability and pricing. With our extensive inventory and expertise, you can trust us to deliver the right solution without the hassle of multiple suppliers. Perguntas frequentes
P: Você fornece rolamentos de outras marcas ou modelos?
A: Yes, we offer a full range of bearing brands and models, including both international and domestic options. We can source or produce bearings according to your specific brand or model requirements. P: Como posso verificar se este rolamento é compatível com o meu equipamento?
A: Provide your equipment’s required bearing dimensions (d x D x B), load type, and operating conditions. Our technical team will verify compatibility with the 3311A series or recommend an alternative if needed. Q: Qual é a sua política de garantia?
A: We provide a warranty against manufacturing defects. The specific terms are outlined in our sales contract, ensuring coverage for material and workmanship issues. Q: Qual é a quantidade mínima de pedido?
R: Aceitamos pedidos com quantidades mínimas reduzidas, facilitando a encomenda de pequenos lotes para testes ou manutenção, bem como de grandes volumes para produção.
Q: Quanto tempo leva o envio?
A: In-stock bearings ship immediately. Delivery time depends on your location and chosen shipping method—express, road, train, air, or sea. P: Vocês podem fabricar rolamentos personalizados (OEM/ODM)?
A: Yes, we offer OEM and ODM services. Provide your drawings or specifications, and we can manufacture bearings tailored to your requirements. Ready to order or need a quote?
3311A, 3311A-2Z, 3311DMA
120*55*49.2 mm
Conveyor systems, drilling equipment
Tired of Bearing Failures? The Right Angular Contact Ball Bearing Makes a Difference
Engineered for Reliable Performance in Demanding Conditions
Optimal Performance in Heavy-Duty Industrial Environments
Packaging & Shipping
Get the Right Angular Contact Ball Bearing for Your Application
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 today to streamline your bearing procurement process.
Main shaft, gearbox, and generator bearings for onshore and offshore wind turbines. Engineered for 20+ year service life.
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: Needle Roller Bearings HK0608 06X12X08 HK0808 0810 0908
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SKF Authorized Engineering Partner
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