Ensure smooth, precise transmission performance with our premium Tapered Roller Bearing series (30308, 30309, 30310), engineered to reduce vibration and extend machinery lifespan in high-load applications. Crafted with P0-P4 precision and Z1V1-Z3V3 vibration control, these bearings deliver consistent rotation even under extreme pressure, minimizing downtime for industrial and automotive transmission systems.
Especificaciones del Producto
| 30308 |
| Z1V1 Z2V2 Z3V3 |
| 40*90*23 mm |
Industrias de Aplicación
| Transmission systems, drive axles, differential gears |
| Tractor gearboxes, harvester drivetrains |
| Excavator transmission components, heavy-duty conveyors |
Transmission systems rely on bearings that handle both radial and axial loads without compromise. A single bearing failure can halt production lines, delay deliveries, and create unexpected costs. Many buyers struggle with inconsistent quality from generic suppliers, where high vibration levels or imprecise tolerances lead to premature wear. When downtime eats into profits, having a reliable bearing partner becomes critical.
Our Tapered Roller Bearing 30308, 30309, and 30310 series are designed to meet the rigorous demands of transmission applications. With precision grades from P0 to P4 and vibration control up to Z3V3, these bearings minimize noise and ensure stable performance under heavy loads. Backed by over 18 years of manufacturing experience, we offer one-stop service from R&D to production, ensuring that every bearing meets ISO 9001:2015 standards. Whether for automotive gearboxes or industrial reducers, these bearings deliver the reliability your equipment needs.
Tapered roller bearings excel in applications where combined radial and axial loads are present—exactly the conditions found in transmission systems. The 30308, 30309, and 30310 models handle dynamic forces efficiently, with their conical design distributing loads evenly across rolling elements. This design reduces friction and heat buildup, even at high rotational speeds, making them ideal for continuous operation in automotive, agricultural, and industrial machinery. Choosing the right tapered roller bearing directly impacts your equipment's service life and maintenance frequency.
Precision rating is critical for transmission bearings: P4 grade minimizes radial runout, ensuring smooth power transfer and reducing gear wear. Vibration control (Z1V1 to Z3V3) is equally important—higher Z grades like Z3V3 reduce operational noise and extend bearing life by limiting vibration-induced stress. The 40x90x23mm dimension of the 30308 model provides a balance of compact size and load capacity, fitting standard transmission housings while supporting heavy torque. Our use of high-grade chrome steel enhances durability, ensuring these bearings withstand the harsh conditions of industrial and automotive transmissions.
Por qué escatimar en rodamientos cuesta más a largo plazo
Low-quality tapered roller bearings may save money upfront, but they often fail prematurely. A failed bearing in a transmission can damage gears, shafts, and housing, leading to repair costs far exceeding the initial savings. Our bearings, certified to ISO, ABMA, and DIN standards, undergo strict quality control—from raw material inspection to finished product testing. With a 12-month warranty, we stand behind every bearing, ensuring that you avoid the hidden costs of downtime, repairs, and replacement. Investing in reliable bearings reduces total cost of ownership by extending maintenance intervals and preventing unexpected failures.
Jinan Saifan Bearing Co., Ltd has served global clients across Europe, North America, and Southeast Asia for over 18 years. Our factory features automated production lines and in-house laboratories for dimensional, noise, and service life testing. We support OEM/ODM customization, adjusting designs to match your exact specifications. With a 1-piece MOQ for standard bearings and sample orders shipped in 3-5 working days, we meet both small-batch and large-scale needs. Our professional technical team provides free guidance on selection, installation, and maintenance, ensuring you get the right bearing for your application. Certified as a high-tech enterprise, we combine manufacturing expertise with responsive service to keep your operations running smoothly.
Embalaje y Envío
Embalaje estándar: Cartón con refuerzo de paleta para un transporte seguro
Múltiples opciones logísticas: DHL, FedEx, UPS, transporte aéreo y transporte marítimo disponibles
MOQ flexible: 1 pieza para rodamientos estándar, cantidades de pedido personalizadas negociables
Don’t let equipment downtime affect your productivity. Whether you need a single 30308 bearing for emergency repair or bulk orders for production, we have the inventory and expertise to meet your needs. Send us your bearing型号, application details, and quantity, and our team will provide a quote within 24 hours. The sooner you order, the sooner you can get back to smooth, reliable operation.
Preguntas Frecuentes
P: ¿Son estos rodamientos genuinos y trazables?
A: Yes, all our bearings are manufactured in-house under strict ISO 9001:2015 quality control. Each product can be traced through our production records, ensuring authenticity and compliance with international standards.
Q: How do I confirm if the 30308 bearing fits my transmission?
A: Provide your equipment model, transmission type, or specific load/speed requirements. Our technical team will verify compatibility and recommend the optimal precision and vibration grade for your application.
Q: What is the warranty policy for these tapered roller bearings?
A: Ofrecemos una garantía de 12 meses a partir de la fecha de entrega. Los productos defectuosos debido a problemas de fabricación serán reemplazados sin cargo o reembolsados, según la preferencia del cliente.
Q: What is the minimum order quantity for the 30309 bearing?
A: Standard bearings like the 30309 have a 1-piece MOQ, making them suitable for both emergency repairs and small-batch purchases.
P: ¿Qué tan rápido puedo recibir mi pedido?
A: Sample orders ship within 3-5 working days, while bulk orders take 5-15 working days depending on quantity. We work with global logistics providers to ensure timely delivery.
Q: Can you provide ODM customization for non-standard transmission bearings?
A: Yes, we support ODM customization. Our R&D team can adjust dimensions, materials, and designs based on your drawings and performance requirements.
¿Listo para hacer un pedido o necesita un presupuesto?
High-grade chrome steel, raw material QC, full-process monitoring, ISO/ABMA/DIN compliance.
Samples in 3-5 days, bulk orders 5-15 days. Free samples for distributors (freight collect).
P0-P4 precision grades, Z2-Z3-Z4 noise levels. Custom drawings welcome.
Professional technical guidance and failure solutions from our R&D team.
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