Heavy Duty NTN Spherical Roller Bearing 21307 35x80x21mm for Industrial Machinery
Famous Brand Bearing

ISO

Certified

P0-P4

Precision

1 PC

Min. Order

Famous Brand Bearing NTN Bearings NTN Bearings

Heavy Duty NTN Spherical Roller Bearing 21307 35x80x21mm for Industrial Machinery

Ensure smooth, reliable operation for your industrial machinery with the NTN 21307 spherical roller bearing, engineered to deliver long life and high-speed performance even under heavy loads. This 35x80x21mm heavy-duty component minimizes downtime in gearboxes, fans, and automotive applications, thanks to its precision design and low noise operation.

  • Customizable to your specifications, with samples available to verify fit before bulk orders
  • Built to handle the rigors of industrial use, from manufacturing equipment to agricultural machinery
  • Backed by Saifan Bearings' commitment to quality, ensuring consistent performance and peace of mind

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

Característica

Larga vida, alta velocidad, bajo ruido

Especificación

Marca registrada

Origen

Japón

Código HS

8482300000

Paquete de Transporte

Palé de Cartón

Tamaño del paquete

Peso Bruto del Paquete

21307
35x80x21mm
NTN
Sample Available
Customerized Customizable
5.50cm × 10.00cm × 4.50cm
0.550kg

Industrias de Aplicación

Industria

Equipo Típico

Fabricación Industrial

Automotriz

Sistemas de Transmisión, Ejes

Gearboxes, Conveyors, Reducers
HVAC Industrial Fans, Pumps

Minimize Downtime with Genuine NTN 21307 Spherical Roller Bearing

Equipment failures due to substandard bearings cost manufacturers thousands in lost production each year. When a spherical roller bearing fails prematurely in critical machinery like gearboxes or conveyors, the downtime can halt entire production lines. Sourcing authentic bearings with reliable delivery and proper technical support remains a challenge for many maintenance teams and buyers.

Genuine NTN 21307 Bearings Delivered When You Need Them

The NTN 21307 spherical roller bearing is engineered to address these pain points with its long service life, high-speed capability, and low noise operation. As a professional bearing supplier with decades of export experience, we stock genuine NTN bearings to ensure quick fulfillment—sample orders ship within 3-5 working days and bulk orders within 5-15 days. This 35x80x21mm industrial machinery bearing is ideal for applications requiring heavy-duty performance, from gearboxes to industrial fans.

Diseñado para Condiciones Industriales de Alta Resistencia

This NTN spherical roller bearing excels in demanding environments where heavy radial and axial loads are present. Its robust design handles high-speed rotation while maintaining stability, making it suitable for continuous operation in industrial machinery. Whether used in manufacturing equipment, automotive transmission systems, or large fans, the 21307 bearing delivers consistent performance under varying load conditions.

Características técnicas clave para un funcionamiento fiable

The 35mm bore diameter, 80mm outer diameter, and 21mm width of the NTN 21307 make it a versatile choice for standard industrial applications. Its low noise operation (Z2-Z4 grade equivalent) ensures compatibility with noise-sensitive environments, while the long-life design reduces maintenance frequency. The bearing’s high-speed capability allows integration into dynamic systems without compromising performance, and its customizable options mean it can be adapted to specific application requirements when standard configurations aren’t sufficient.

Por qué la autenticidad importa para su rentabilidad

Counterfeit spherical roller bearings may offer lower upfront costs but often result in hidden expenses: premature failures, increased energy consumption, and potential damage to connected components. Genuine NTN bearings meet strict international standards (ISO, ABMA, DIN) and undergo rigorous quality control, ensuring predictable performance and longer service intervals. Investing in authentic industrial machinery bearings reduces total cost of ownership by minimizing unplanned downtime and maintenance expenses.

Nuestro Compromiso con el Suministro Confiable

With ISO 9001:2015 and ISO 14001 certifications, we maintain strict quality management throughout our supply chain. Our one-stop service covers everything from bearing selection to global delivery, supported by a professional technical team with extensive application experience. We offer flexible ordering with 1 piece MOQ for standard bearings and provide free samples (freight paid by customer) to distributors and wholesalers. All products come with a 12-month warranty, with free replacement or refund available for qualified defective items.

Packaging & Shipping

  • Original NTN packaging with carton pallet for secure transportation
  • Los pedidos de muestra se envían dentro de 3-5 días hábiles

    Pedidos al por mayor entregados en 5-15 días hábiles

    Múltiples opciones de logística, incluyendo exprés, aérea y transporte marítimo

    MOQ de 1 pieza disponible para rodamientos estándar

Get Your NTN 21307 Bearing Today

Don’t let bearing issues disrupt your operations. Whether you need a single unit for emergency repair or bulk quantities for production, we ensure prompt delivery of genuine NTN 21307 spherical roller bearings. Contact us with your requirements, and our technical team will help confirm compatibility with your equipment.

Preguntas Frecuentes

Q: ¿Son estos rodamientos genuinos?

A: Yes, we supply genuine original NTN bearings sourced through authorized channels, ensuring full traceability and authenticity.

Q: How do I confirm if the 21307 is compatible with my equipment?

A: Provide your equipment model or technical specifications, and our professional team will verify compatibility and offer selection guidance.

P: ¿Cuál es el período de garantía para este rodamiento?

A: All NTN bearings come with a 12-month warranty from the date of customer receipt, covering manufacturing defects.

P: ¿Cuál es la cantidad mínima de pedido?

A: We accept 1 piece MOQ for standard bearings, supporting both emergency repairs and small-batch purchases.

P: ¿Cuánto tiempo tarda el envío?

A: Sample orders ship within 3-5 working days, while bulk orders take 5-15 working days depending on quantity and destination.

Q: How can I verify the bearing’s authenticity?

A: Genuine NTN bearings feature proper branding, packaging, and serial numbers. We provide documentation to support traceability upon request.

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

Tags: 35x80x21mm Bearing Heavy Duty Spherical Roller Bearing Industrial Machinery Bearing industrial machinery spherical roller bearing NTN 21307 35x80x21mm NTN 21307 Bearing Spherical Roller Bearing Spherical Roller Bearing for Gearbox
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