Roller Bearing
Self-Aligning Roller Bearing 23238MBK 23240MBK 23244MBK 23248MBK W33 P0-P4 Precision for Industrial Machinery
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ISO 9001:2015
P0-P4 Precision
Factory Direct
Product Detail
30302 30303 30304 NTN Tapered Roller Bearings for Industrial Machinery P0-P5 Precision
Ensure smooth, precise rotation for your industrial machinery with NTN Tapered Roller Bearings—available in 30302, 30303, and 30304 models. Engineered to deliver P0-P5 precision, these bearings minimize vibration (Z1V1-Z3V3) and extend equipment lifespan, even under heavy loads, solving common issues with inconsistent performance in manufacturing lines.
- Grease or oil lubrication flexibility适应多变工况需求, paired with 15*42*13 mm (30302) dimensions for seamless integration into machinery assemblies
- Backed by NTN’s legacy of reliability and our factory’s strict quality control, ensuring every bearing meets ISO standards for stable, long-term operation
- Support for OEM/ODM customization lets you tailor specifications to unique equipment needs, with fast sample delivery (3-5 days) to keep production on track
MOQ
1 Piece
Sample Lead Time
3-5 Days
Bulk Lead Time
5-15 Days
Warranty
12 Months
Free Sample Available
OEM / ODM Support
T/T · L/C · Alibaba
Product Description
Especificaciones del producto
Parámetro
Detalles
Modelo NO.
Lubricación
Grasa o Aceite
Clasificación de Precisión
P0 P6 P5 P4 P2
Vibración
Servicio
OEM ODM
Paquete de Transporte
Palet de Cartón
Especificación
Marca registrada
Origen
Japón
Código HS
8482200000
Industrias de Aplicación
Industria
Equipo Típico
Maquinaria Industrial
Automotriz
Sistemas de Transmisión, Ejes
Maquinaria agrícola
Tractores, Cosechadoras
Construcción
Excavadoras, Cargadoras
Industrial machinery operators know the frustration of unexpected downtime caused by bearing failure. When production lines stop due to premature bearing wear or incorrect specifications, every minute costs money. Sourcing reliable tapered roller bearings that meet precision requirements while balancing MOQ flexibility and delivery speed remains a persistent challenge for maintenance managers and procurement teams. Our NTN Tapered Roller Bearings (30302, 30303, 30304 series) address these challenges with authentic Japanese manufacturing and P0-P5 precision grades. As a professional bearing supplier with decades of export experience, we maintain stock for standard models, supporting 1-piece MOQ for emergency replacements and bulk orders with 5-15 day delivery. These bearings integrate seamlessly into industrial gearboxes, automotive transmissions, and agricultural machinery, delivering consistent performance under radial and axial loads. Diseñado para Aplicaciones Industriales de Alta Resistencia
NTN Tapered Roller Bearings excel in high-torque environments where both radial and thrust loads are present. The 30302, 30303, and 30304 models are specifically designed for machinery like conveyor systems, machine tool spindles, and agricultural equipment reducers. Their tapered raceway design distributes load evenly across rolling elements, minimizing stress concentration and extending service life in continuous-operation scenarios. Parámetros de Precisión que Impulsan el Rendimiento
The performance of these bearings is defined by critical technical specifications. Precision ratings from P0 (standard) to P5 (high precision) ensure dimensional accuracy, with P5 grades ideal for high-speed applications requiring minimal runout. Vibration classes Z1V1 to Z3V3 control operational noise, making them suitable for noise-sensitive environments like packaging machinery. The 15*42*13 mm dimensions of the 30302 model balance compact size with load capacity, while grease or oil lubrication options allow adaptation to temperature ranges from -30°C to 120°C in most industrial settings. Por qué los rodamientos auténticos Counterfeit tapered roller bearings often appear cost-effective initially but lead to higher long-term expenses. Unauthorized replicas lack NTN’s strict quality control, resulting in inconsistent hardness, poor material density, and imprecise raceway geometry. These flaws cause premature failure, requiring frequent replacements and unplanned downtime. In contrast, genuine NTN bearings meet ISO industrial standards, undergoing rigorous testing for noise, vibration, and load capacity—delivering predictable service life and reducing maintenance costs by up to 40% compared to counterfeit alternatives. Nuestro Compromiso con el Suministro Confiable de Rodamientos
With ISO 9001:2015 and ISO 14001 certifications, we ensure every NTN Tapered Roller Bearing meets original specifications. Our in-house quality control includes dimensional inspection and vibration testing before shipment. As a trusted supplier since 2005, we serve industrial buyers across Europe, North America, and Southeast Asia, offering free technical guidance on bearing selection and installation. For distributors and wholesalers, we provide free samples (freight collect) to verify quality before bulk orders, supported by a 12-month warranty on all products. Los pedidos de muestra se envían dentro de 3-5 días hábiles; los pedidos al por mayor se entregan en 5-15 días hábiles
Don’t let bearing issues disrupt your production schedule. Whether you need a single 30302 bearing for urgent maintenance or bulk 30304 units for manufacturing, we ensure genuine NTN quality and prompt delivery. Send your exact model requirements and application details now to receive a tailored quote within 24 hours. Preguntas Frecuentes
Q: ¿Son estos rodamientos genuinos?
A: Yes, we supply 100% genuine NTN bearings sourced directly from authorized channels, with full traceability documentation available upon request. P: ¿Cómo confirmo el modelo de rodamiento correcto para mi equipo?
A: Provide your equipment model, operating load, and speed parameters, and our technical team will verify compatibility with the 30302/30303/30304 series at no cost. P: ¿Cuál es su política de garantía?
A: All NTN bearings come with a 12-month warranty from the delivery date, covering manufacturing defects with free replacement or refund options. Q: ¿Cuál es la cantidad mínima de pedido?
A: Standard bearings like the 30302 have a 1-piece MOQ, suitable for emergency repairs or small-scale projects. Q: ¿Cuánto tiempo tarda el envío a Europa/Norteamérica?
A: Sample orders typically arrive in 3-7 working days via express courier; bulk orders via air freight take 5-10 days, while sea freight options are available for cost-sensitive shipments. Q: ¿Cómo puedo verificar la autenticidad de los rodamientos?
A: Authentic NTN bearings feature laser-etched part numbers, holographic packaging labels, and QR codes for verification on NTN’s official website. We provide all necessary documentation for authentication. Ready to order or need a quote?
30302
Z1V1 Z2V2 Z3V3
15*42*13 mm
NTN
Gearboxes, Conveyors, Machine Tools
Prevent Costly Downtime with NTN 30302-30304 Tapered Roller Bearings for Industrial Machinery
Genuine NTN Tapered Roller Bearings: In Stock and Engineered for Reliability
Packaging & Shipping
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