Spherical Plain Bearing
21309-21314 Spherical Roller Bearing High Capacity Low Friction
ISO 9001 TS 16949
Genuine SKF
50+ Countries
24h Response

-- SKF Authorized Engineering Partner

21309-21314 Spherical Roller Bearing High Capacity Low Friction

Boost your machinery's efficiency with a Spherical Roller Bearing engineered for high capacity and low friction, ensuring smooth operation even under heavy loads. Crafted from durable Bearing Steel with a whole outer ring design, this bearing minimizes wear and extends equipment lifespan, tackling the hassle of frequent replacements.

  • Precision ratings from P0 to P2 for tailored performance in engineering hydraulic cylinders, construction machinery, and automation equipment
  • Grease or oil lubrication flexibility meets diverse operational needs, while non self-lubricating design allows controlled maintenance
  • 20*48*20mm specification with 5mm thickness fits seamlessly into standard industrial setups, backed by rich stocks for quick delivery

Technical Specifications
Product Name
21309-21314 Spherical Roller Bearing High Capacity Low Friction
Category
Spherical Plain 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.

Especificaciones del Producto{{ZKF_1}} Parámetro{{ZKF_1}} Detalles{{ZKF_1}} Número de modelo{{ZKF_1}}

Tipo de Rodamiento

Cojinete radial esférico liso

Material

Acero para rodamientos

Especificación{{ZKF_1}}

Espesor

5 mm

Tipo de lubricación

No autolubricante (grasa o aceite)

Estructura exterior

Anillo exterior completo

Clasificación de Precisión{{ZKF_1}}

P0, P6, P5, P4, P2

Dirección de Carga{{ZKF_1}}

Extremo de varilla

Extremo de varilla

Existencias

Acciones Ricas

Tecnología de grasas

Alto

Vibración{{ZKF_1}}

,

,
Servicio{{ZKF_1}}

OEM, ODM

Marca registrada{{ZKF_1}}

BDL

Origen{{ZKF_1}} China{{ZKF_1}} Código HS{{ZKF_1}}

8482102000

SILKAC20M, SILKB20F, SIQG20ES
20*48*20mm
Radial
Idoneidad de la Aplicación{{ZKF_1}} Industria{{ZKF_1}} Aplicaciones Típicas{{ZKF_1}}

Construcción

Maquinaria de construcción

Fabricación

Máquina de forja, equipos de automatización

Automoción

Amortiguador de automóvil

Maquinaria para la gestión del agua

Hydraulics Engineering Hydraulic Cylinder
Water Management

Need Reliable 21309-21314 Spherical Roller Bearings? Avoid Common Sourcing Pitfalls

Procuring the right spherical roller bearings often means sifting through incompatible dimensions, questionable material quality, and limited brand options. Many buyers face costly delays when specifications don’t match or bearings fail prematurely due to substandard steel or imprecise manufacturing. With so many models and standards in the market, finding a single source for both standard and custom bearings can feel like an uphill battle.

Engineered for High Capacity and Low Friction in Demanding Environments

Our 21309-21314 Spherical Roller Bearing addresses these challenges by combining high load capacity with low friction performance, critical for applications like hydraulic cylinders and construction machinery. Backed by ISO 9001 certified production processes, we ensure each bearing meets strict dimensional and material standards. With rich stock availability and access to a full range of bearing types—including spherical plain, rod end, and deep groove ball bearings—we simplify sourcing whether you need standard models or custom OEM solutions.

Rendimiento Optimizado en Aplicaciones de Alta Carga

This spherical roller bearing excels in radial load environments where misalignment tolerance and durability are key. Its whole outer ring design provides structural integrity, making it suitable for forging machines and water conservancy equipment subject to constant stress. The bearing steel construction ensures resistance to wear, while precision ratings from P0 to P2 allow customization for applications requiring tight dimensional control, such as automation equipment and automobile shock absorbers.

Características clave de ingeniería que impactan la longevidad

The non self-lubricating design, paired with high grease technology, allows for flexible lubrication via grease or oil—essential for adapting to specific operating conditions. At 5mm thickness, the bearing balances strength and weight, optimizing performance in dynamic systems like hydraulic cylinders. The Z1V1 to Z3V3 vibration ratings ensure smooth operation across speed ranges, reducing noise and extending equipment life. These features collectively minimize maintenance needs while maximizing uptime in critical machinery.

Por qué elegir el rodamiento adecuado reduce el coste total

Opting for a precision-manufactured spherical roller bearing reduces the risk of early failure, which often leads to unplanned downtime and costly repairs. Inferior bearings with subpar material hardness or imprecise dimensions can cause excessive vibration, damaging adjacent components and increasing overall operational costs. Our bearings, tested for dimensional accuracy and surface hardness, align with ISO standards to ensure consistent performance, ultimately lowering total cost of ownership through extended service life and reduced maintenance.

Calidad en la que puedes confiar

Our production process adheres to ISO 9001 standards, with rigorous testing from raw material inspection to final dimensional and hardness checks. Each bearing comes with a质保期 to cover manufacturing defects, ensuring peace of mind. We maintain rich stocks for quick delivery and support both OEM and ODM requirements, with the ability to source across international and domestic brands. Whether you need standard models or custom specifications, our commitment to quality ensures reliable performance in every application.

Packaging & Shipping

    Empaquetado en cajas de cartón y palés para garantizar un transporte seguro

  • Rich stocks available for prompt dispatch
  • Flexible shipping options: Express, Road, Train, Air, Sea
  • Low minimum order quantity supported, ideal for both small and large volume采购

Get a Quote for 21309-21314 Spherical Roller Bearings

Ready to secure reliable bearings for your equipment? Provide your required model, quantity, and delivery location, and we’ll deliver a competitive quote with lead time. With access to full brand ranges and custom solutions, we’re equipped to handle your specific needs—don’t wait to ensure your machinery operates at peak efficiency.

Preguntas Frecuentes{{ZKF_1}}

P: ¿Ofrecen servicio de suministro de otras marcas o modelos de rodamientos?

A: Yes, we offer comprehensive sourcing across all major international and domestic brands, as well as custom specifications. Simply provide the required model or dimensions for a tailored quote.

P: ¿Cómo puedo comprobar si este rodamiento es compatible con mi equipo?

A: Share your equipment’s required dimensions (d x D x B) or existing model number, and our technical team will verify compatibility with the 21309-21314 specifications.

Q: ¿Cuál es su política de garantía para rodamientos?

A: We provide a质保期 covering manufacturing defects. Specific terms are detailed in each order contract, ensuring coverage for material and production-related issues.

P: ¿Cuál es la cantidad mínima de pedido?

A: We support low minimum order quantities, making it feasible for small-scale trials or large volume采购 based on your needs.

Q: How quickly can you ship and what logistics options are available?

A: In-stock bearings ship promptly. We offer multiple logistics channels including express, road, train, air, and sea to match your delivery timeline and budget.

Q: Do you offer OEM or ODM customization?

A: Yes, we provide OEM and ODM services, manufacturing bearings to your exact specifications, drawings, or performance requirements.

Ready to order or need a quote?
Send the bearing model, dimensions (d x D x B), and quantity — we’ll get back to you with pricing and lead time.
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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: 21309-21314 Spherical Roller Bearing High Capacity Low Friction

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

SKF Authorized Engineering Partner

Need technical support or a custom solution?

15+ certified engineers ready to help. Response within 24 hours.