Self-Aligning Roller Bearings 21316EAE4 21317EAE4 21318EAE4 for Industrial Machinery P0-P4 Precision
Roller Bearing

ISO

Certified

P0-P4

Precision

1 PC

Min. Order

Roller Bearing Self-Aligning Spherical Roller Bearings

Self-Aligning Roller Bearings 21316EAE4 21317EAE4 21318EAE4 for Industrial Machinery P0-P4 Precision

Ensure smooth, precise rotation for your industrial machinery with our Self-Aligning Roller Bearings in models 21316EAE4, 21317EAE4, and 21318EAE4. Engineered to reduce downtime and enhance performance, these bearings handle misalignment effortlessly while maintaining P0-P4 precision, making them ideal for heavy-duty applications like machine tools and textile equipment.

  • Double-row design with C0/C3/C4 clearance options ensures stable load distribution and extended service life
  • Constructed from high-grade bearing steel for superior durability in demanding industrial environments
  • Available in 80*170*39 mm (21316EAE4) and compatible sizes, with OEM/ODM support to match your exact specifications

MOQ

1 Piece

Lead Time

5-15 Days

Warranty

12 Mo.

Precision

P0-P4

Noise Grade

Z2-Z4

Customization

OEM/ODM

  • High-grade chrome steel for long service life
  • Strict raw material inspection & full process monitoring
  • ISO 9001:2015 & ISO 14001 certified
  • ABMA & DIN standards compliant
  • Free samples for qualified distributors
  • T/T, Credit Card & Alibaba payment accepted

Product Details

Especificaciones del Producto

Parámetro

Detalles

Número de modelo

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

Especificación

Código HS

8482300000

21316EAE4
80*170*39 mm

Industrias de Aplicación

Industria

Equipo Típico

Maquinaria Industrial

Herramientas de Máquina, Reductores, Transportadores

Automotriz

Sistemas de Transmisión, Cajas de Cambios

Maquinaria Agrícola

Tractores, Cosechadoras

https://bearingnsk.com/wp-content/uploads/2026/07/chinese-bearing-manufacturers-implement-iso-9001-iatf-16949-1.jpgEquipos de Ingenieríahttps://bearingnsk.com/wp-content/uploads/2026/07/chinese-spherical-roller-bearings-installed-in-wind-turbine-2.jpg

Excavadoras, Maquinaria de Carga Pesada

Prevent Equipment Downtime with Reliable Self-Aligning Roller Bearings 21316EAE4

Industrial machinery operators know the cost of unexpected downtime—hours of lost production, emergency repair fees, and missed deadlines. Many face issues with bearings that fail prematurely due to poor precision or inability to handle misalignment, especially in heavy-load applications like conveyors and reducers. Sourcing reliable bearings with flexible MOQ and fast delivery often adds another layer of complexity.

Self-Aligning Roller Bearings Engineered for Industrial Machinery Stability

Our Self-Aligning Roller Bearings 21316EAE4 address these challenges directly. With precision grades from P0 to P4 and clearance options C0/C3/C4, they accommodate radial loads and moderate axial loads while compensating for shaft misalignment—critical for machinery like gearboxes and conveyors. As a professional manufacturer with ISO 9001:2015 certification, we ensure each bearing meets strict quality standards, supported by a 12-month warranty for peace of mind.

Rendimiento Óptimo en Condiciones Industriales de Alta Carga

Designed with double rows of rollers and a spherical outer ring, these bearings excel in applications with heavy radial loads and potential shaft deflection. Whether in industrial gearboxes, agricultural machinery reducers, or construction equipment, they maintain stable rotation even under variable loads. The bearing steel material ensures durability, while the unseparated design simplifies installation and maintenance—key for minimizing downtime in manufacturing environments.

Key Technical Features That Deliver Consistent Performance

Precision rating directly impacts operational stability: P4 grade bearings reduce vibration and noise, making them suitable for high-precision machinery, while P0 grade offers reliable performance for general industrial use. Clearance options (C3/C4) accommodate thermal expansion in high-temperature applications, preventing premature failure. The double-row roller design distributes load evenly, extending service life in heavy-duty equipment like excavator reducers. These technical details ensure the bearing matches specific application requirements, from standard conveyors to specialized machine tools.

Choose Authentic Bearings to Avoid Hidden Costs

Counterfeit bearings may offer lower upfront prices, but they often lead to frequent replacements, unplanned downtime, and even equipment damage. Our bearings undergo strict incoming material inspection and full-process production supervision, with in-house laboratory testing for dimensional accuracy and performance. Meeting ISO, ABMA, and DIN standards, they provide consistent reliability that reduces total cost of ownership over time. For industrial buyers, investing in genuine bearings means fewer production interruptions and higher long-term equipment efficiency.

Why Industrial Buyers Partner with Saifan Bearings

With over 18 years of manufacturing and export experience, we serve clients across Europe, North America, and Southeast Asia. Our factory is equipped with automated production lines and professional testing devices, ensuring stable supply even for large orders. We offer flexible order policies—1 piece MOQ for standard bearings, 3-5 working days for sample delivery, and 5-15 days for bulk orders—supporting both emergency repairs and regular stock replenishment. Our technical team provides free guidance on selection and installation, while the ISO 14001 environmental certification reflects our commitment to sustainable manufacturing.

Packaging & Shipping

    Embalaje en cartón y paletas para un transporte seguro

    Los pedidos de muestra se envían dentro de 3-5 días hábiles

    Pedidos al por mayor entregados en 5-15 días hábiles

  • Multiple logistics options available (air, sea, courier)
  • 1 piece MOQ for standard bearings, flexible customization terms

Get Your 21316EAE4 Bearing Shipped Fast

Don’t let bearing issues slow down your production. Whether you need a single replacement or bulk order, our in-stock Self-Aligning Roller Bearings 21316EAE4 are ready to ship. Provide your equipment details and quantity, and our team will confirm compatibility and deliver a quote within 24 hours—keeping your machinery running with minimal delay.

Preguntas Frecuentes

P: ¿Son estos rodamientos genuinos y trazables?

A: Yes, all our bearings are manufactured in-house under strict quality control, with full traceability from raw materials to finished products. We provide certification documentation upon request.

Q: How do I confirm if 21316EAE4 fits my equipment?

A: Share your equipment model, load requirements, and operating conditions with our technical team. We offer free选型 support to ensure the bearing matches your application.

P: ¿Cuál es el período de garantía para estos rodamientos?

A: Ofrecemos una garantía de 12 meses a partir de la fecha de entrega, que cubre defectos de fabricación con opciones de reemplazo gratuito o reembolso.

P: ¿Cuál es la cantidad mínima de pedido?

A: Standard bearings have a 1 piece MOQ, ideal for emergency repairs. Customized orders have negotiable quantities based on specifications.

P: ¿Qué tan rápido puedo recibir mi pedido?

A: Sample orders ship within 3-5 working days, while bulk orders take 5-15 working days. We work with global logistics providers for timely delivery.

Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.

Tags: 21316EAE4 21316EAE4 Bearing 80*170*39 mm 21317EAE4 21318EAE4 Industrial Machinery Bearings P0-P4 Precision Bearings Self-Aligning Roller Bearings Self-Aligning Roller Bearings for Industrial Machinery
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