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Deep Groove Ball Bearing
NSK Koto 6809 6910 6811 Deep Groove Ball Bearings for Reducer
Keep your reducer running smoothly and efficiently with NSK Deep Groove Ball Bearings—designed to deliver long life, high speed, and low noise for reliable performance you can count on. These precision-engineered bearings (available in models 6809, 6810, 6811) feature a 0° contact angle and single row design, ensuring optimal radial load handling and minimal friction in demanding applications.
- Grease or oil lubrication options let you customize maintenance to fit your operational needs
- Precision ratings from P0 to P4 and clearance options (C0/C2/C3) ensure a perfect fit for your reducer’s specifications
- Rich stock availability means you get the bearings you need without unnecessary delays
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
Rodamientos de Bolas de Surco Profundo
Especificación
Material
Acero para rodamientos
Lubricación
Grasa o Aceite
Clasificación de Precisión
P0, P6, P5, P4
Liquidación
C0, C2, C3
Dirección de Carga
Rodamiento Radial
Número de Filas
Sencillo
Separado
No separado
Alineando
Rodamiento No Alineado
0°
Característica
Larga Vida, Alta Velocidad, Bajo Ruido
Stock
Acciones Ricas
Servicio
OEM, ODM
Marca registrada
Origen
Japón Paquete de Transporte
Cartón, Palé
Idoneidad de la Aplicación
Industria
Aplicaciones Típicas
Maquinaria Industrial
Equipo de Automatización
Many buyers struggle with bearing replacements that fail prematurely due to incorrect precision ratings or clearance levels. When dealing with reducer systems, using bearings with improper lubrication compatibility or material quality can lead to unexpected downtime and maintenance costs. Sourcing multiple models from different suppliers only adds complexity to procurement workflows. Our NSK Koto 6809, 6810, 6811 deep groove ball bearings address these challenges through ISO 9001-certified manufacturing processes and comprehensive quality checks. With rich stocks available, we support quick turnaround for both small and large orders, eliminating the need for multi-supplier coordination. These bearings are specifically designed to deliver long life and low noise in reducer applications, where consistent performance under radial loads is critical. Rendimiento Óptimo en Entornos de Alta Velocidad y Bajo Mantenimiento These deep groove ball bearings excel in reducer systems operating at moderate to high speeds, thanks to their single-row design and 0° contact angle that optimizes radial load distribution. The non-aligning feature requires precise shaft alignment during installation, making them ideal for rigidly mounted equipment where misalignment is minimal. Their unseparated construction ensures operational stability, while compatibility with both grease and oil lubrication allows adaptation to various operating conditions, from clean industrial settings to more demanding environments. Características Críticas de Ingeniería para una Operación Confiable
The bearing steel construction provides excellent hardness and wear resistance, directly contributing to the long service life specified for these models. Precision ratings from P0 to P4 allow selection based on application requirements—P0 for general industrial use, P5/P4 for high-precision reducers where minimal vibration is essential. Clearance options (C0/C2/C3) accommodate thermal expansion scenarios: C2 for tight fits in precision applications, C3 for environments with temperature fluctuations. The combination of these features ensures the bearings maintain performance integrity under the radial loads typical in reducer gearboxes. Choosing the right deep groove ball bearing directly affects equipment total cost of ownership. Bearings with substandard material quality often exhibit early wear, leading to increased vibration, noise, and potential damage to adjacent components. In contrast, these NSK Koto bearings’ high-speed capability and low noise characteristics reduce unnecessary energy consumption and maintenance interventions. By selecting the appropriate precision class and clearance—matching the reducer’s operating conditions—buyers avoid costly downtime and extend equipment service intervals, ultimately lowering long-term operational expenses. Aseguramiento de Calidad Que Puedes Verificar
Our quality control process includes rigorous原材料检验 (raw material inspection) and成品检测 (finished product testing) for dimensions, hardness, and surface treatment, all aligned with ISO 9001 standards. We provide a质保期 (warranty period) covering manufacturing defects, with clear terms for退换货 (return and exchange) procedures. As a supplier with access to both international brands like NSK and domestic alternatives, we can fulfill orders for specific brand requirements or equivalent specifications. Our rich stock inventory ensures that standard models are available for immediate dispatch, minimizing lead times for urgent replacement needs. Obtenga su cotización de rodamientos hoy
Whether you need NSK Koto 6809, 6810, 6811 deep groove ball bearings or other models, provide your required specifications—model number, dimensions (d x D x B), quantity, and destination—and we’ll deliver a competitive quote with lead time details. Our team can also assist with cross-referencing alternative brands if needed, ensuring you get the right bearings for your application. Preguntas Frecuentes
Q: ¿Suministran rodamientos de otras marcas además de ?
A: Yes, we offer a wide range of international brands including SKF, NTN, Koyo, NACHI, IKO, FAG, Timken, as well as domestic Chinese brands. We can source specific brands or models as per customer requirements. Q: How can I confirm if these bearings will fit my reducer? A: Provide your equipment’s make, model, or the existing bearing’s dimensions (inner diameter d, outer diameter D, width B), and our technical team will verify compatibility with the 6809, 6810, or 6811 specifications. P: ¿Cuál es su política de garantía para estos rodamientos? A: We provide a warranty against manufacturing defects. The specific warranty period and terms will be detailed in your order confirmation, with clear procedures for returns or replacements if issues arise. Q: What is the minimum order quantity for these NSK Koto bearings? A: We support low minimum order quantities, allowing both small trial orders and large-volume purchases to meet your inventory needs. Q: ¿Qué tan rápido pueden enviar los rodamientos después de realizar el pedido?
A: Since we maintain rich stocks, most standard models can be shipped within 1-3 business days. For custom orders or non-stock items, lead times will be provided during the quoting process. P: ¿Ofrecen servicios OEM o ODM para rodamientos? A: Yes, we support OEM and ODM customizations, including private labeling, specialized packaging, and manufacturing to customer-provided specifications or drawings. <strong
Our engineers will respond within 12 hours with a tailored solution.
6809, 6810, 6811
45×58×7mm, 50×65×7mm, 55×72×9mm
Ángulo de contacto
NSK
Reducer Systems
High-Speed Rotating Components
Mechanical Transmission
Gearboxes, Conveyor Systems
Finding Reliable 6809, 6810, 6811 Deep Groove Ball Bearings? Key Factors to Consider
Engineered for Reducer Systems’ Demands
Total Cost Impact of Proper Bearing Selection
Packaging & Shipping
Product Summary
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General Specifications
| Bearing Type | Deep Groove Ball 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
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NSK Koto 6809 6910 6811 Deep Groove Ball Bearings for Reducer
NDA protected · Free samples for orders > $50K · Reply within 12 hours
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