NSK Roller Bearing HR30311-30314DJ for Rolling Mill
ISO 9001 Certified
TS 16949
Genuine SKF
Need Technical Advice?
Reply within 12 hours · 15+ certified engineers on call
Cylindrical Roller Bearing

NSK Roller Bearing HR30311-30314DJ for Rolling Mill

Minimize rolling mill downtime with the reliable NSK Roller Bearing HR30311-30314DJ—engineered to deliver consistent performance under heavy radial loads. Crafted from high-grade bearing steel and designed as a separated taper roller bearing, this precision component ensures smooth operation and easy maintenance, addressing common wear issues in high-stress industrial environments.

  • Precision ratings from P0 to P2 and vibration levels Z1V1 to Z3V3 for tailored performance
  • Grease or oil lubrication flexibility适应 varying operational conditions
  • 55*120*31.5 mm specification fits standard rolling mill assemblies seamlessly
  • Trusted NSK quality from Japan, backed by a production capacity ensuring steady supply

7
Day Prototype
vs. 8-12 wks standard
50+
Countries Served
Global logistics network
12h
Quote Response
Expert engineers on call
Typical Applications
Wind Power
Mining
Steel & Metallurgy
Automotive / EV
Rail Transit
Precision Machinery
Genuine SKF Bearings
NDA Protected
Free Sample for Orders > $50K
Global Shipping
Product Details

Especificaciones del Producto

Parámetro

Detalles

Número de modelo

Tipo de Rodamiento

Rodamiento de rodillos cónicos

Diámetro del orificio (d)

15-240 mm

Diámetro Exterior (D)

35mm-400mm

Ancho (B)

Material

Acero para rodamientos

Dirección de Carga

Rodamiento Radial

Esférico

Rodamientos no alineantes

Separado

Separado

Lubricación

Grasa o Aceite

Clasificación de Precisión

P0 P6 P5 P4 P2

Vibración

Marca registrada

Origen

Japón

Código HS

8482200000

HR30311DJ
55*120*31.5 mm
Z1V1 Z2V2 Z3V3
NSK

Idoneidad de la Aplicación

Industria

Aplicaciones Típicas

Metalurgia del Acero

Equipo de molino de laminación

Struggling with Roller Bearing Reliability in Rolling Mills? The HR30311DJ Makes a Difference

Finding the right roller bearing for rolling mill applications can be a challenge. Mismatched dimensions lead to installation delays, while poor material quality results in premature wear and unexpected downtime. Sourcing from multiple suppliers for different brands only adds complexity to your procurement process.

Engineered for Heavy-Duty Rolling Mill Performance

The NSK Roller Bearing HR30311DJ addresses these challenges with precision-engineered features. As part of our comprehensive bearing portfolio, it benefits from ISO 9001 certified production processes and strict quality control. With separated design and radial load capacity, it’s ideally suited for the demanding conditions of rolling mill operations, where consistent performance under heavy loads is critical.

Optimal Performance in High-Load, Continuous-Operation Environments

This taper roller bearing excels in applications with radial loads and moderate axial loads, typical in rolling mill stands. Its bearing steel construction ensures durability under high temperatures and heavy shock loads, while the non-aligning design maintains stability in rigidly mounted systems. Proper lubrication with grease or oil further extends service life in continuous-operation scenarios.

Características clave de ingeniería que impactan la fiabilidad

The HR30311DJ’s separated design allows for easy mounting and dismounting, simplifying maintenance in tight rolling mill spaces. Precision ratings from P0 to P2 ensure dimensional accuracy, reducing vibration and noise during operation. The radial load orientation aligns with the primary force direction in rolling applications, while the 55*120*31.5 mm specification provides a standard footprint compatible with most mill equipment designs. Vibration classes Z1V1 to Z3V3 let you select the right balance of smooth operation for your specific machine requirements.

Why Choosing the Right Roller Bearing Lowers Total Cost

Investing in a quality taper roller bearing like the HR30311DJ reduces long-term costs compared to inferior alternatives. Early bearing failure in rolling mills leads to unplanned downtime, production losses, and potential damage to adjacent components. By meeting strict material and precision standards, this bearing minimizes these risks, contributing to higher equipment availability and lower maintenance expenses over its operational life.

Confidence Through Quality and Supply Chain Reliability

Our ISO 9001 certified processes ensure consistent quality, from raw material inspection to final dimensional and hardness testing. We stand behind the HR30311DJ with a manufacturer-backed warranty, covering manufacturing defects for added peace of mind. With access to a wide range of international and domestic brands, we can source bearings according to your exact specifications. Our substantial inventory means prompt availability, reducing lead times for critical replacements.

Packaging & Shipping

    Empaquetado en cartones y palets para un transporte seguro

    Disponible en stock para un despacho rápido

    Opciones de envío flexibles que incluyen mensajería exprés, aéreo y marítimo

    Bajas cantidades mínimas de pedido para apoyar tanto requisitos a pequeña como a gran escala

Get Your HR30311DJ Roller Bearing Quote Today

Whether you need the NSK HR30311DJ specifically or require assistance identifying the right roller bearing for your rolling mill, we’re here to help. Provide us with your model number, dimensions, and quantity requirements, and our team will promptly deliver pricing and availability information to keep your operations running smoothly.

Preguntas Frecuentes

Q: ¿Proporcionan otras marcas y modelos de rodamientos además de

    ?

    A: Yes, we offer a comprehensive range of bearings including major international brands and domestic options. We can source and supply bearings according to your specific brand and model requirements.

Q: How can I ensure the HR30311DJ is compatible with my rolling mill equipment?

A: Provide us with your equipment specifications or existing bearing dimensions (d x D x B), and our technical team will verify compatibility with the HR30311DJ or recommend suitable alternatives.

P: ¿Cuál es su política de garantía para los rodamientos?

A: We provide a warranty covering manufacturing defects. The specific terms and duration are detailed in our sales contract, ensuring protection against material or production faults.

Q: What is the minimum order quantity for the HR30311DJ?

A: Apoyamos cantidades mínimas de pedido bajas, lo que le permite comprar pequeñas cantidades para necesidades de mantenimiento o volúmenes más grandes para requisitos de producción.

Q: How quickly can you ship the HR30311DJ roller bearing?

A: The HR30311DJ is typically available from stock, enabling same-day or next-day dispatch. Shipping time depends on your location and chosen delivery method.

Q: Can you provide custom (OEM/ODM) bearings for special applications?

A: Yes, we support OEM and ODM services, manufacturing bearings according to your specific drawings, dimensions, and 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.
sales@bearing-supply.com

Product Summary
Product Name
NSK Roller Bearing HR30311-30314DJ for Rolling Mill
Category
Cylindrical Roller Bearing
Brand
SKF
Certification
ISO 9001 · TS 16949
Lead Time
7 Working Days
Get a Custom Quote

Our engineers will respond within 12 hours with a tailored solution.

Request Quote
Why SKF China

The engineering partner advantage

7 Days
Prototype Lead Time
vs. 8-12 weeks via standard channels
15+
Certified Engineers
SKF-certified, on-call for your project
50+
Countries Delivered
Reliable global logistics network
Request a Quote

Get a custom quote for NSK Roller Bearing HR30311-30314DJ for Rolling Mill

NDA protected · Free samples for orders > $50K · Reply within 12 hours

Submitting...