Angular Contact Ball Bearing
NTN NSK UC307 UCP307 Pillow Block Insert Bearing
ISO 9001 TS 16949
Genuine SKF
50+ Countries
24h Response

-- SKF Authorized Engineering Partner

NTN NSK UC307 UCP307 Pillow Block Insert Bearing

Ensure smooth, reliable rotation in your industrial equipment with this high-performance UC307 Pillow Block Bearing, designed to minimize downtime and maximize productivity. Crafted from durable bearing steel, it handles both radial and thrust loads effortlessly, making it ideal for applications like rolling mills and mining machinery where stability under pressure is non-negotiable.

  • Double-row design delivers enhanced load capacity for heavy-duty operations, reducing the need for frequent replacements
  • Precision ratings from P0 to P2 ensure quiet, vibration-free performance (Z1V1 to Z3V3 options available) to maintain operational efficiency
  • Rich stock availability means fast delivery—get your equipment back up and running with minimal delay

Technical Specifications
Product Name
NTN NSK UC307 UCP307 Pillow Block Insert Bearing
Category
Angular Contact Ball Bearing
Quality Standard
ISO 9001 / TS 16949
Lead Time
8-12 Weeks Custom
Minimum Order
Negotiable

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

Especificação

Lubrificação

Graxas ou Óleo

Classificação de Precisão

P0, P6, P5, P4, P2

Vibração

,

,

Estoque

Ações Ricas

Marca Registrada

BDL//

/NMB/
    /
  • /

Origem

China

Código HS

8482102000

3211A-2RS1/C3, 3211A-2Z, 3211ATN9
100*55*33.3 mm

Adequação da Aplicação

Indústria

Aplicações Típicas

Automóvel

Sistemas de transmissão, cubos de roda, componentes de direção

Laminador

Minha

Metalurgia

Roller support assemblies, drive mechanisms
Conveyor systems, crushing equipment, drilling machinery
Continuous casting machines, rolling stands, furnace components

Struggling with Angular Contact Ball Bearing Selection? The 3211A Series Delivers Reliability

Finding the right angular contact ball bearing for heavy-duty applications like rolling mills or mining equipment can be challenging. Mismatched dimensions lead to installation delays, while low-quality bearings often fail prematurely due to inadequate material hardness. Sourcing from multiple suppliers for different brands only adds complexity to your procurement process.

Engineered for Multi-Directional Load Performance

The 3211A series angular contact ball bearings address these challenges with precision-engineered design. As a professional bearing supplier with ISO 9001 certified production processes, we ensure each unit meets strict dimensional and material standards. Available in 3211A-2RS1/C3, 3211A-2Z, and 3211ATN9 configurations, these double-row bearings handle both radial and thrust loads, making them ideal for automobile transmissions and metallurgical equipment where complex force patterns are common.

Optimized for Demanding Industrial Environments

This bearing excels in applications requiring high precision and durability. With a specification of 100*55*33.3 mm and bearing steel construction, it operates reliably under heavy loads in environments like mine conveyors and rolling mills. The double-row design provides enhanced rigidity, while vibration grades Z1V1 to Z3V3 allow customization based on noise and smoothness requirements—critical factors in automated production lines where equipment stability directly impacts product quality.

Key Engineering Features That Maximize Service Life

Several critical specifications contribute to the 3211A series’ performance. The bearing steel material offers superior surface hardness and wear resistance compared to general-purpose steels, extending service life in abrasive conditions. Precision ratings from P0 to P2 ensure compatibility with everything from standard industrial machinery to high-precision automated equipment. For applications with varying maintenance access, the grease or oil lubrication options provide flexibility—oil lubrication suits high-speed operations, while grease simplifies maintenance in hard-to-reach locations like rolling mill stands.

Why Proper Bearing Selection Reduces Total Costs

Choosing the right angular contact ball bearing directly impacts your bottom line. A bearing with insufficient load capacity or precision can cause equipment downtime, leading to lost production and expensive repairs. The 3211A series’ double-row design and load direction capabilities minimize the risk of premature failure, while our rich stock availability ensures quick replacement when needed. By selecting a bearing that matches your application’s exact requirements—whether for radial-thrust combination loads or specific vibration levels—you avoid the hidden costs of frequent replacements and unplanned maintenance.

Garantia de Qualidade em Que Você Pode Confiar

Our commitment to quality starts with ISO 9001 certified production and检验流程. Each 3211A series bearing undergoes rigorous原材料 testing and成品检测, including dimensional verification and hardness testing, to ensure compliance with international standards. We provide a质保期 against manufacturing defects, giving you confidence in your purchase. With access to multiple brands including NTN, NSK, Koyo, and NACHI, we can supply bearings that meet your exact specifications, whether you require an original equipment manufacturer part or a compatible alternative.

Packaging & Shipping

    Embalado em caixas de papelão sobre paletes para um transporte seguro

    A ampla disponibilidade de estoque garante o envio imediato de pedidos urgentes

    Opções flexíveis de frete, incluindo expresso, rodoviário, ferroviário, aéreo e marítimo

    Aceitamos quantidades mínimas de pedido baixas, atendendo tanto a necessidades de pequeno quanto de grande volume

Get a Quote for Your 3211A Series Bearing Needs

Whether you need the 3211A-2RS1/C3, 3211A-2Z, 3211ATN9, or another angular contact ball bearing model, we can help. Provide your required model, quantity, and delivery location, and our team will respond with pricing and lead time within hours. With our extensive inventory and multi-brand sourcing capabilities, we make procuring the right bearings simple and efficient.

Perguntas frequentes

Q: Do you supply other bearing brands and models beyond the 3211A series?

A: Yes, we offer a full range of bearings including deep沟球轴承,滚子轴承, and自润滑轴承 from brands like SKF, NSK, NTN, Koyo, and NACHI. We can source any specified model to meet your requirements.

Q: How can I confirm if the 3211A series bearing fits my equipment?

A: Provide your equipment’s bearing dimensions (d x D x B) or existing model number, and our technical team will verify compatibility with the 3211A series specifications.

Q: What is your warranty policy for the 3211A series bearings?

A: We provide a质保期 against manufacturing defects. Specific terms are detailed in our sales contract, and defective products will be replaced or refunded according to the agreement.

Q: What is the minimum order quantity for the 3211A series?

A: We support low minimum order quantities, including small batch purchases, to accommodate trial orders and urgent replacement needs.

Q: How quickly can you ship the 3211A series bearings?

A: With rich stock availability, we typically ship in-stock bearings within 1-2 business days. Shipping time depends on the selected method: express (1-3 days), air (3-7 days), or sea (2-6 weeks).

Q: Você oferece serviços OEM ou ODM para rolamentos?

A: Yes, we provide OEM and ODM services, manufacturing bearings according to customer-provided drawings, specifications, or samples.

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01

Authorized SKF Engineering Partner

Official partner since 1998 with direct access to SKF technical resources, genuine products, and engineering expertise.

02

15+ Certified Engineers On-Staff

In-house team provides application design, failure analysis, and predictive maintenance -- reducing bearing failures by 35%.

03

ISO 9001 & TS 16949 Certified QC

Every product undergoes rigorous pre-shipment inspection with full documentation for traceability and compliance.

04

Global Logistics to 50+ Countries

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.

Application Design

Engineering

Custom bearing selection and system design based on your specific load conditions, speeds, temperatures, and environmental factors.

Failure Analysis

Diagnostics

Root-cause investigation of bearing failures using metallurgical testing, vibration analysis, and operating data review.

Predictive Maintenance

IIoT

IIoT-enabled monitoring with smart sensor bearings for real-time vibration, temperature, and RPM tracking.

Custom Modification

Custom

Modified bearings with special coatings, seals, tolerances, or materials. Lead time 8-12 weeks from official channels.

On-Site Installation

Support

Certified engineers available for on-site installation support, alignment checks, and commissioning assistance worldwide.

Lifecycle Support

Lifecycle

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.

Contact Engineering Team

-- Get In Touch

Request a Technical Consultation & Quote

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.

Product Inquiry Form

Regarding: NTN NSK UC307 UCP307 Pillow Block Insert Bearing

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ISO 9001 · TS 16949 · Authorized SKF Partner · Since 1998

SKF Authorized Engineering Partner

Need technical support or a custom solution?

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