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Taper Roller Bearing
Japan NTN 30302 30303 30304 Tapered Roller Bearing
Keep your machinery running smoothly with reliable NTN Tapered Roller Bearing designed for long-lasting performance. This Japan-made bearing handles radial and axial loads with precision, reducing downtime and maintenance headaches in industrial applications.
- Available in precision ratings P0-P2 and vibration classes Z1V1-Z3V3 to meet strict operational demands
- Grease or oil lubrication flexibility ensures adaptability to your equipment’s specific needs
- OEM/ODM service options let you customize solutions without sacrificing quality
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
Especificación (d x D x B)
Lubricación
Grasa o Aceite
Clasificación de Precisión
P0, P6, P5, P4, P2
Vibración
, Marca registrada
Origen
Japón Código HS
8482200000 Idoneidad de la Aplicación
Industria
Aplicaciones Típicas
Automotriz
Sistemas de transmisión, bujes de rueda
Maquinaria Industrial
Accionamientos de cintas transportadoras, cajas de engranajes
Construcción
Ejes de equipos pesados, bombas hidráulicas
Finding the right tapered roller bearing can be frustrating—especially when dealing with mismatched dimensions, inconsistent quality, or limited brand options. Many buyers face delays from suppliers who can’t source specific models, or worse, receive bearings that fail prematurely due to poor material quality. As a professional bearing supplier, we understand these challenges firsthand. Diseñado para un Rendimiento Consistente en Condiciones Exigentes
This NTN 30302 tapered roller bearing is designed to solve these issues with its precision manufacturing and versatile specifications. With ISO 9001 certified production processes, we ensure each bearing meets strict quality standards, from raw material inspection to final dimensional testing. Whether you need a direct replacement for automotive transmissions or industrial gearboxes, our extensive inventory includes not just NTN but also other major brands like SKF, NSK, and Timken, allowing you to source all your bearings from a single supplier. Rendimiento Óptimo en Aplicaciones de Carga Radial y Axial
Tapered roller bearings excel in applications where both radial and axial loads are present, making the 30302 ideal for heavy-duty machinery. Its 15mm bore diameter, 42mm outer diameter, and 13mm width strike a balance between compact size and load capacity, suitable for equipment like conveyor drives and construction vehicle axles. The bearing’s vibration grades (Z1V1 to Z3V3) also ensure smooth operation, reducing noise and extending equipment life in high-speed scenarios. Características clave de ingeniería que impactan la fiabilidad
The 30302’s precision rating options (P0 to P2) allow you to match performance to your application requirements—P0 for general use, P2 for high-precision machinery. Its ability to use either grease or oil lubrication adds flexibility, adapting to different operating environments. The bearing’s taper angle is optimized to distribute loads evenly across rolling elements, minimizing stress concentrations and preventing early wear. Additionally, NTN’s manufacturing expertise ensures tight dimensional tolerances, critical for interchangeability when replacing existing bearings in complex assemblies. Por qué elegir el rodamiento adecuado reduce los costos totales
Investing in a quality tapered roller bearing like the 30302 reduces long-term expenses by avoiding downtime from premature failures. Inferior bearings often have inconsistent hardness, leading to excessive wear and equipment breakdowns. In contrast, this bearing undergoes rigorous hardness testing and surface treatment checks, ensuring it withstands the rigors of industrial use. By selecting the correct precision class and vibration grade upfront, you also avoid costly rework or replacements, making the initial investment in a reliable bearing far more economical than cutting corners on quality. Calidad en la que Puedes Confiar: Desde la Producción hasta la Entrega
Our commitment to quality starts with ISO 9001 certified production and inspection processes. Each bearing undergoes thorough testing, including dimensional accuracy checks and surface hardness verification, to ensure compliance with international standards. We provide a warranty against manufacturing defects, giving you confidence in your purchase. With extensive现货库存 (ready stock), we can fulfill orders quickly, whether you need a single unit or bulk quantities. Our supply chain also supports OEM and ODM customization, allowing us to meet unique application requirements. Embalaje estándar: Caja de cartón y palé para transporte seguro
Opciones de envío flexibles: mensajería exprés, transporte aéreo o transporte marítimo
Whether you need the NTN 30302 or other tapered roller bearing models (30303, 30304, etc.), we can provide competitive pricing and fast delivery. Simply share the bearing model, required quantity, and delivery location, and our team will respond with a detailed quote. With access to a wide range of brands and models, we make sourcing bearings straightforward and efficient. Preguntas Frecuentes
Q: Do you supply other bearing brands and models besides NTN? A: Yes, we offer a full range of bearings from international brands like SKF, NSK, Koyo, NACHI, IKO, FAG, Timken, as well as domestic quality brands. We can source any specified model according to your requirements. Q: How can I confirm if the 30302 bearing fits my equipment? A: Provide your equipment’s bearing dimensions (bore diameter, outer diameter, width) or existing model number, and our technical team will verify compatibility with the NTN 30302 specifications. P: ¿Cuál es su política de garantía para los rodamientos?
A: We provide a warranty against manufacturing defects. Specific terms are outlined in the sales contract, and defective products can be replaced or refunded within the warranty period. P: ¿Cuál es la cantidad mínima de pedido para este rodamiento?
A: We support low minimum order quantities, including small trial orders, to accommodate your needs whether you require a single unit or large volume. Q: How quickly can you ship the NTN 30302 bearing? A: The 30302 is typically in stock, allowing for same-day or next-day dispatch. Shipping time depends on the selected method (courier, air, or sea freight). P: ¿Ofrecen servicios OEM o ODM para rodamientos? A: Yes, we support OEM and ODM customization. We can produce bearings according to your provided drawings, specifications, or branding requirements. Ready to order or need a quote?
30302
15*42*13 mm
NTN
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Product Summary
- Product Name
- Japan NTN 30302 30303 30304 Tapered Roller Bearing
- Category
- Taper 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 QuoteGeneral Specifications
| Bearing Type | Taper Roller Bearing |
| Brand | SKF |
| Quality Standard | ISO 9001 / TS 16949 |
| Precision Grade | P0 / P5 / P6 (custom) |
| Material | Chrome Steel / Stainless |
| Cage Material | Steel / Brass / Polyamide |
| Lubrication | Grease / Oil (specify) |
| Operating Temp. | -40°C to +200°C |
| Min. Order Qty | 1 pc (samples available) |
| Prototype Lead Time | 7 Working Days |
Performance Parameters
| Load Capacity | Contact for C0/Cr values |
| Speed Rating | Contact for ndm limit |
| Vibration Level | Z1 / Z2 / Z3 (custom) |
| Noise Level | V1 / V2 / V3 (custom) |
| Fatigue Life | L10h per ISO 281 |
| Sealing Options | Open / Z / 2Z / RS / 2RS |
Custom Specifications Available
Our engineering team can modify bearing dimensions, materials, seals, and clearances to meet your specific operating requirements. Submit your drawing or spec sheet for a tailored proposal.
Wind Power
Main shaft bearings, gearbox bearings, and generator bearings for onshore and offshore wind turbines.
Mining & Quarrying
Heavy-duty bearings for crushers, conveyors, and rotary equipment in extreme dust and shock-load environments.
Steel & Metallurgy
High-temperature bearings for rolling mills, continuous casting, and furnace applications.
Automotive / EV
Wheel hub bearings, transmission bearings, and e-motor bearings for passenger and commercial vehicles.
Rail Transit
Axle box bearings, traction motor bearings, and gearbox bearings meeting EN/UIC railway standards.
Precision Machinery
High-precision spindle bearings, angular contact bearings, and super-precision bearings for CNC and robotics.
Application Design
EngineeringOur engineers analyze your operating conditions -- load, speed, temperature, environment -- and select or design the optimal bearing solution to maximize service life and reduce total cost of ownership.
Custom Modification
7-Day TurnaroundNeed non-standard dimensions, special materials, or modified clearances? We can modify standard SKF bearings or manufacture fully custom solutions with a 7-day prototype turnaround.
Failure Analysis
DiagnosticsWhen bearings fail prematurely, our team conducts root-cause analysis using advanced diagnostic tools to identify the failure mode and recommend corrective action.
Predictive Maintenance
Up to 40% Less DowntimeWe deploy vibration monitoring, thermal imaging, and oil analysis programs that detect bearing deterioration early -- reducing unplanned downtime by up to 40%.
On-site Installation
Global CoverageProper installation is critical to bearing performance. Our certified technicians provide on-site installation support, alignment verification, and operator training worldwide.
Lifecycle Support
Enterprise SLAFrom initial selection through end-of-life, our dedicated account managers provide scheduled maintenance plans, re-lubrication programs, and replacement forecasting for enterprise clients.
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
Japan NTN 30302 30303 30304 Tapered Roller Bearing
NDA protected · Free samples for orders > $50K · Reply within 12 hours
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