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Self-Aligning Roller Bearing 21310EK 21311EK 21312EK P0-P4 Precision for Industrial Machinery
ISO 9001:2015 P0-P4 Precision Factory Direct
Roller Bearing
Product Detail

Self-Aligning Roller Bearing 21310EK 21311EK 21312EK P0-P4 Precision for Industrial Machinery

Ensure smooth, precise rotation for your industrial machinery with our Self-Aligning Roller Bearing series (21310EK, 21311EK, 21312EK). Engineered to P0-P4 precision grades and featuring double-row rollers, these bearings minimize downtime by automatically compensating for shaft misalignment, even under heavy radial loads.

  • Constructed from high-grade bearing steel for extended service life in tough industrial conditions
  • Available with C0/C3/C4 clearance options to match specific machinery requirements
  • Supports OEM/ODM customization to fit your unique equipment specifications
  • Backed by our 12-month warranty and expert technical support for worry-free operation

MOQ

1 Piece

Sample Lead Time

3-5 Days

Bulk Lead Time

5-15 Days

Warranty

12 Months

GET A QUOTE EMAIL DIRECTLY
Free Sample Available
OEM / ODM Support
T/T · L/C · Alibaba

Product Description

Especificaciones del producto

Parámetro

Detalles

Modelo NO.

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

Material

Acero para rodamientos

Esférico

Alineación de rodamientos

Dirección de Carga

Rodamiento radial

Separado

No separado

Dimensión Exterior

50-2500

Paquete de Transporte

Palet de Cartón

Especificación

Marca registrada

/

/
    /NMB/
  • /
    • /

Origen

China

Código HS

8482300000

Capacidad de Producción

1000000

21310EK
50*110*27 mm

Industrias de Aplicación

Industria

Equipo Típico

Maquinaria Industrial

Herramientas de Máquina, Cajas de Engranajes, Reductores, Transportadores

Automotriz

Sistemas de Transmisión, Ejes

Maquinaria agrícola

Tractores, Cosechadoras

Construcción

Excavadoras, Cargadoras

Fabricación

Máquinas de impresión, Maquinaria textil

Reduce Machinery Downtime with 21310EK Self-Aligning Roller Bearings

Industrial machinery operators know the frustration of unexpected downtime caused by bearing failures. Misalignment in shafts can lead to premature wear, while low-quality bearings often fail under heavy loads, disrupting production schedules and increasing maintenance costs. Sourcing reliable bearings with flexible order options and quick delivery can be a challenge, especially when dealing with multiple suppliers for different precision grades.

Self-Aligning Roller Bearings for Stable Industrial Performance

The 21310EK Self-Aligning Roller Bearing is engineered to solve misalignment issues in industrial machinery, ensuring smooth operation even when shafts are not perfectly aligned. With precision grades from P0 to P4 and clearance options C0, C3, and C4, this bearing meets diverse application needs. Our factory, equipped with advanced precision processing equipment and automated production lines, ensures consistent quality. We support OEM and ODM customization, allowing adjustments to structure, size, and packaging based on customer drawings, making us a one-stop solution for bearing needs.

Rendimiento Óptimo en Condiciones Industriales Exigentes

Self-aligning roller bearings like the 21310EK are designed to handle heavy radial loads and accommodate shaft misalignment, making them ideal for industrial machinery operating under dynamic conditions. Whether in gearboxes, conveyors, or manufacturing equipment, these bearings provide stable performance, reducing the risk of unexpected failures. The double-row roller design enhances load-carrying capacity, while the use of high-grade bearing steel ensures durability even in continuous operation scenarios.

Características técnicas clave para un funcionamiento confiable

The 21310EK Self-Aligning Roller Bearing offers several technical advantages that contribute to its reliability. The precision rating (P0-P4) ensures minimal vibration and noise, critical for high-speed machinery. Clearance options (C0, C3, C4) allow customization based on operating temperature and load conditions, preventing overheating and premature wear. The unseparated design simplifies installation and maintenance, while the bearing steel material provides excellent strength and resistance to fatigue, ensuring a long service life even in harsh industrial environments.

Choosing Quality Bearings to Lower Total Costs

Investing in genuine, high-quality bearings like the 21310EK reduces long-term costs compared to using counterfeit or low-grade alternatives. Counterfeit bearings often fail early, leading to costly downtime, repair expenses, and potential damage to other machinery components. Our bearings meet ISO, ABMA, and DIN international standards, ensuring consistent performance and reliability. With a 12-month warranty and free replacement for qualified defective products, we help customers minimize risks and maintain lower total operational costs.

Why Saifan Bearings is Your Trusted Partner

With over 15 years of manufacturing and export experience, Saifan Bearings has established a reputation for reliability. We hold ISO 9001:2015 and ISO 14001 certifications, ensuring strict quality control from raw material inspection to finished product testing. Our professional technical R&D team and experienced QC staff guarantee that every bearing meets high standards. We serve customers in Europe, North America, Southeast Asia, and the Middle East, offering flexible order policies with a 1-piece MOQ for standard bearings and sample orders without MOQ. Our efficient delivery ensures sample orders within 3-5 working days and bulk orders within 5-15 working days, supported by multiple safe payment methods including T/T, Credit Card, and Alibaba platform payments.

Packaging & Shipping

  • Packaged in carton pallets to ensure safe transportation

    • Órdenes de muestra entregadas en un plazo de 3 a 5 días hábiles

    Pedidos al por mayor enviados dentro de 5-15 días laborables

    Múltiples opciones logísticas disponibles, incluyendo mensajería exprés, carga aérea y marítima

    1 pieza MOQ para rodamientos estándar, pedidos de muestra sin MOQ

Secure Your 21310EK Bearing Today

Don’t let bearing issues disrupt your production. Contact us with your bearing requirements, including model, quantity, and application details, to get a prompt quote. With our ready stock and efficient delivery, you can minimize downtime and keep your machinery running smoothly.

Preguntas Frecuentes

Q: ¿Son estos rodamientos de rodillos autoalineables genuinos?

A: We supply genuine bearings from brands like NSK and INA, with each product traceable to the正品 supply chain. We can provide authorization certificates upon request.

Q: How do I confirm if the 21310EK bearing fits my equipment?

A: Our professional technical team offers free guidance on bearing selection. Provide your equipment model or specific operating conditions, and we will help confirm the correct bearing specifications.

P: ¿Cuál es la política de garantía para estos rodamientos?

A: Todos los productos vienen con una garantía oficial de 12 meses a partir de la fecha de recepción. Los productos defectuosos calificados son elegibles para un reemplazo gratuito o reembolso.

Q: ¿Cuál es la cantidad mínima de pedido?

A: We offer a flexible order policy with a 1-piece MOQ for standard bearings. Sample orders have no MOQ requirement.

P: ¿Cuánto tiempo tarda el envío?

A: Sample orders are delivered within 3-5 working days, and bulk orders within 5-15 working days. We support DHL, FedEx, UPS, air, and sea freight options.

Q: ¿Cómo puedo verificar la autenticidad de los rodamientos?

A: Genuine bearings come with original packaging and branding. We provide traceability documents, and you can check against brand-specific verification methods such as laser

Tags

21310EK Bearing 21311EK Bearing 21312EK bearing 21312EK Precision Roller Bearing for Machinery Industrial Machinery Bearing P0-P4 Precision Bearing Self-Aligning Roller Bearing Self-Aligning Roller Bearing 21310EK
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