Deep Groove Ball Bearing
ISO 9001 Certified
TS 16949
Genuine SKF
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Deep Groove Ball Bearing
Koyo 6305 2RS Deep Groove Ball Bearing 25x62x17mm
Keep your machinery running smoothly with the reliable Koyo 6305 2RS Bearing, designed to deliver long life and consistent performance in demanding applications. Its precision P0-P4 rating ensures reduced vibration (Z1V1-Z3V3) for quieter operation, while the 2RS seals protect against contaminants—so you spend less time on maintenance and more on productivity.
- 25x62x17mm dimensions fit standard deep groove ball bearing configurations
- Grease or oil lubrication flexibility adapts to your specific operational needs
- Japan-origin bearing steel construction guarantees durability under radial loads
- Rich stock availability means you get the part you need without delay
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
Especificações do Produto
Parâmetro
Detalhes
Número do Modelo
Tipo de Vedações
Lubrificação
Graxas ou Óleo
Classificação de Precisão
Vibração
Liquidação
Material
Aço para Rolamentos
Diâmetro do Furo (d)
25 mm
Diâmetro Externo (D)
Largura (B)
Direção de Carga
Rolamento Radial
Número de Linhas
Único
Separado
Ângulo de Contato
0°
Adequação da Aplicação
Indústria
Aplicações Típicas
Equipamentos de Automação
Automotivo
Máquinas Industriais
Finding the right deep groove ball bearing for your equipment can be frustrating. Mismatched dimensions lead to installation delays, while low-quality bearings often fail prematurely with excessive noise or vibration. Sourcing from multiple suppliers for different brands wastes valuable time—especially when you need a specific model like the 6305 with 25x62x17mm dimensions. Projetado para Desempenho Consistente em Ambientes Exigentes
This 6305 deep groove ball bearing addresses these challenges with its robust design and versatile specifications. As part of our comprehensive bearing range, it benefits from ISO 9001-certified quality control processes, ensuring reliability across applications. Whether you need it for electric motors in automation equipment or wheel hubs in automotive systems, the 25mm bore and 62mm outer diameter provide precise fit, while options for seals (ZZ, 2RS, Open) and clearances (C0, C2, C3) let you tailor it to your operating conditions. Designed as a radial bearing with a single row and 0° contact angle, this 6305 model excels in handling primarily radial loads at high speeds. Its non-aligning design works best in rigidly mounted shafts where misalignment is minimal, making it ideal for precision machinery. The bearing steel construction ensures durability, even in environments with moderate temperatures and normal operating stresses, while lubrication options (grease or oil) allow adaptation to speed and maintenance requirements. Principais Características de Engenharia que Impactam a Longevidade
The precision rating options (P0 to P4) directly affect operational accuracy: P0 suits general industrial use, while P5/P4 are better for high-precision applications like CNC machinery where minimal runout is critical. Vibration classes (Z1V1 to Z3V3) ensure smooth operation—Z3V3 reduces noise in sensitive equipment like medical devices. Sealing choices matter too: 2RS rubber seals offer effective contamination protection in dusty environments, while ZZ metal shields provide better heat resistance for high-temperature applications. The unseparated design simplifies installation and maintains alignment under dynamic loads. Por que escolher o rolamento certo reduz os custos totais
Selecting a substandard 6305 bearing may save upfront costs but often leads to higher long-term expenses. Poor material quality results in early wear, causing equipment downtime and replacement labor. This bearing’s bearing steel construction and严格的硬度测试 ensure resistance to fatigue, extending service life. Proper clearance selection (C3 for thermal expansion in motors, C2 for precision fits) prevents premature failure, while adherence to international dimensional standards ensures interchangeability with major brands, reducing inventory complexity and downtime during replacements. Our commitment to quality starts with raw material inspection, followed by rigorous testing of成品尺寸, surface hardness, and surface finish. Each bearing undergoes vibration and noise testing to meet specified classes, ensuring consistent performance. We offer a warranty against manufacturing defects, with clear terms provided in each order. With rich stocks available, we support both small urgent orders and large-scale production needs, delivering via sea, air, or express courier based on your timeline. Embalagem padrão: Caixa e palete para transporte seguro
Whether you need the 6305 2RS model or another variant, we can supply the exact specifications for your application. Provide your required seal type, precision class, and quantity, and our team will confirm availability and pricing within 24 hours. Early order confirmation ensures priority handling and faster delivery, minimizing your equipment downtime. Perguntas Frequentes
Q: Can you supply bearings from other brands besides Koyo? A: Yes, we offer a full range of international and domestic brands, including SKF, NSK, NTN, NACHI, and more. We can source specific brands or models based on your requirements. Q: How do I confirm if this 6305 bearing fits my equipment? A: Provide your equipment model or existing bearing dimensions (bore, outer diameter, width), and our technical team will verify compatibility with the 25x62x17mm规格. Q: Qual é a sua política de garantia para rolamentos?
A: We provide a warranty against manufacturing defects. The specific duration is detailed in each order, and defective products will be replaced or refunded per the agreement. Q: Qual é a quantidade mínima de pedido para este rolamento?
A: We support low minimum order quantities, including single-unit purchases for emergency replacements or small-scale projects. Q: Quanto tempo leva o envio?
A: In-stock items ship within 1-2 business days. Delivery time depends on the shipping method: express courier (3-5 days), air freight (5-7 days), or sea freight (20-30 days). P: Vocês oferecem soluções de rolamentos personalizadas (OEM/ODM)?
A: Yes, we support OEM/ODM services for custom dimensions, materials, or special features. Contact us with your drawings or specifications for a feasibility assessment. Ready to order or need a quote?
6305
Zz, 2RS, Open
P0, P6, P5, P4
Z1V1, Z2V2, Z3V3
C0, C2, C3
62 mm
17 mm
Unseparated
Aligning
Non-Aligning Bearing
Conveyor systems, rotary tables
Wheel hubs, gearboxes
Electric motors, pumps
Need a Reliable 6305 Deep Groove Ball Bearing? Avoid These Common Issues
Optimal Performance in Radial Load Applications
Quality You Can Trust in Every Shipment
Packaging & Shipping
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Send the bearing model, dimensions (d x D x B), and quantity — we’ll get back to you with pricing and lead time.
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Product Summary
- Product Name
- Koyo 6305 2RS Deep Groove Ball Bearing 25x62x17mm
- Category
- Deep Groove Ball 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 | 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
Request a Quote
Get a custom quote for
Koyo 6305 2RS Deep Groove Ball Bearing 25x62x17mm
NDA protected · Free samples for orders > $50K · Reply within 12 hours
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