Double Row Angular Contact Ball Bearing 3309-D-Ma for Gearbox & Machine Tool High Precision P4
Ensure smooth, high-precision rotation for your gearbox or machine tool with the Double Row Angular Contact Ball Bearing 3309-D-Ma, engineered to deliver P4 precision and reliable performance under demanding industrial conditions. This bearing minimizes vibration and extends equipment lifespan, addressing common concerns about operational stability and maintenance costs in heavy-duty applications.
- Double row angular contact design handles combined radial and axial loads, ideal for high-speed machinery like CNC lathes and transmission systems
- Precision-machined steel cage (available in copper or nylon options) ensures consistent ball alignment and reduced friction, critical for maintaining tight tolerance operations
- Manufactured to meet ISO industrial standards, compatible with both OEM replacements and custom machine builds requiring exacting specifications
Technical Details & Description
Especificaciones del Producto
Parámetro
Detalles
Modelo NO.
Separado
Separado
Número de Filas
Doble
Dirección de Carga
Rodamiento Radial
Material
Acero para rodamientos
Clasificación de Precisión
Tipo
Estructura
Jaula
Lubricación
Paquete de Transporte
Palet de Cartón
Especificación
Origen
Industrias de Aplicación
Industria
Equipo Típico
Fabricación Industrial
Production lines grinding to a halt due to bearing failure isn’t just an inconvenience—it’s a financial drain. When gearboxes or machine tools seize, every minute of downtime eats into profits. Sourcing high-precision bearings that meet exact specifications often means navigating minimum order quantities that don’t align with urgent repair needs, or waiting weeks for delivery. For manufacturers relying on consistent performance, these challenges can disrupt operations and erode competitive edge. The Double Row Angular Contact Ball Bearing 3309-D-Ma addresses these pain points with P4 precision grade, designed to deliver reliable performance in gearboxes and machine tools. Our production capabilities, honed over decades in the industry, ensure we can meet both standard and custom requirements without compromising on quality. With advanced manufacturing equipment and strict quality control processes, this bearing is engineered to minimize vibration, reduce noise, and extend service life—critical factors for maintaining operational efficiency in high-demand industrial settings. This Double Row Angular Contact Ball Bearing excels in applications where radial and axial loads act simultaneously, such as high-speed gearboxes and precision machine tool spindles. Its angular contact design allows for precise alignment, while the double row configuration provides increased rigidity and load-carrying capacity. Whether operating under continuous heavy loads or rapid speed fluctuations, the 3309-D-Ma bearing maintains stability, ensuring consistent performance even in the most challenging industrial environments. Características técnicas clave que impulsan el rendimiento
The 3309-D-Ma’s P4 precision rating ensures minimal geometric deviations, critical for reducing vibration and noise in high-speed applications. This level of accuracy directly translates to smoother machine operation and extended equipment life. The bearing’s cage options—steel, copper, or nylon—offer flexibility to match specific application needs: steel cages provide durability for heavy loads, copper cages excel in high-temperature environments, and nylon cages reduce friction and noise in precision machinery. Additionally, the use of high-grade bearing steel enhances wear resistance, ensuring the bearing maintains performance over extended service intervals, even under demanding conditions. Opting for non-genuine bearings may seem cost-effective initially, but the hidden expenses quickly add up. Counterfeit bearings often fail prematurely, leading to unplanned downtime, expensive repairs, and potential damage to surrounding components. In contrast, our 3309-D-Ma bearing adheres to strict quality standards, including ISO industrial specifications, ensuring reliable performance and reducing the risk of unexpected failures. By investing in authentic, high-precision bearings, manufacturers lower their total cost of ownership through fewer replacements, reduced maintenance, and uninterrupted production. Nuestro Compromiso con la Fiabilidad y el Servicio
With over 18 years of experience in bearing manufacturing and export, Jinan Saifan Bearing Co., Ltd combines technical expertise with a customer-focused approach. Our ISO 9001:2015 and ISO 14001 certifications underscore our commitment to quality management and environmental responsibility. We support flexible order requirements, including a 1-piece MOQ for standard bearings, ensuring you get the exact quantity needed without excess inventory. Our professional R&D and QC teams conduct rigorous testing—from raw material inspection to dimensional and performance checks—to guarantee consistent quality. For distributors and wholesalers, we offer free samples (freight borne by the customer), allowing you to verify performance before placing bulk orders. Plus, our 12-month warranty and responsive after-sales support provide peace of mind, ensuring any issues are resolved promptly to minimize operational disruptions. Don’t let bearing issues slow down your production. Whether you need a single unit for an urgent repair or bulk quantities for scheduled maintenance, we can fulfill your order quickly and reliably. Send us your specifications, including quantity and application details, and our team will provide a prompt quote to help you get back to full operation. Preguntas Frecuentes
Q: Is this bearing authentic and traceable? A: Yes, our bearings are manufactured in-house with strict quality control processes. Each product meets ISO standards and can be traced through our production and testing records. Q: How can I confirm if the 3309-D-Ma is compatible with my equipment? A: Provide your equipment model, load requirements, and operating conditions. Our technical team will verify compatibility and offer free selection guidance to ensure optimal performance. P: ¿Cuál es la política de garantía para este rodamiento?
A: We offer a 12-month warranty from the date of delivery. Defective products confirmed by our quality inspection will be replaced free of charge or refunded. Q: What is the minimum order quantity for the 3309-D-Ma? A: The minimum order quantity for standard bearings is 1 piece, making it suitable for emergency repairs or small-scale needs. P: ¿Cuánto tiempo tarda en enviarse un pedido?
A: Sample orders are shipped within 3-5 working days, and bulk orders within 5-15 working days, depending on quantity and specifications. Ready to order or need a quote?
Double Row Angular Contact Ball Bearing
P0 P2 P4 P5 P6
Ball
Angular Contact
Steel Cage, Copper Cage, Nylon Cage
Oil Grease
As Your Request
Jiangsu China
Machine Tools, Gearboxes
Prevent Costly Downtime with 3309-D-Ma Double Row Angular Contact Ball Bearing P4
High-Precision 3309-D-Ma Bearings for Critical Machinery
Engineered for Demanding Operating Conditions
Why Authenticity Matters for Total Cost of Ownership
Packaging & Shipping
Secure Your 3309-D-Ma Bearing Today
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.
Free samples available for distributors. 3–5 days production lead time.
5–15 days for bulk orders. T/T, L/C and Alibaba payments accepted.
ISO 9001:2015, ISO 14001 certified. ABMA / DIN compliant.
12-month warranty plus dedicated technical failure analysis support.
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