Angular Contact Ball Bearing
ISO 9001 Certified
TS 16949
Genuine SKF
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Angular Contact Ball Bearing
Original NSK 6203 Deep Groove Ball Bearing Free Samples
Ensure smooth, long-lasting machinery performance with the Original NSK 6203 Deep Groove Ball Bearing—engineered to reduce friction and handle radial loads effortlessly in your equipment. This NSK 6203 Bearing, crafted from high-grade bearing steel, delivers reliable operation even under demanding conditions, so you can trust it to minimize downtime and keep your systems running efficiently.
- Precision-engineered with a 17*40*12 mm specification, ensuring perfect fit for standard applications
- Available in Zz, 2RS, or Open seals types to suit your lubrication needs (grease or oil compatible)
- Single-row design optimized for radial load handling, a critical feature for consistent rotational stability
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
Spécifications du produit
Paramètre
Détails
Numéro de modèle
Séparé
Non séparé
Nombre de lignes
Unique
Direction de charge
Roulement radial
Matériau
Acier à roulement
Nom du produit
Taille de l'alésage
Type de joints
Lubrification
Graisse ou Huile
Évaluation de la précision
P0 P6 P5 P4
Vibration
Service
OEM ODM
Emballage de transport
Palette en carton
Spécification
Marque déposée
Origine
Japon
Code SH
8482102000
Applicabilité de l'application
Industrie
Applications typiques
Équipement d'automatisation
Automobile
Machines industrielles
Many buyers face frustration when bearings fail prematurely due to poor material quality or incorrect specifications. Sourcing from multiple suppliers for different brands wastes time, and unclear compatibility between metric and imperial standards complicates replacement. These issues lead to unexpected downtime and higher maintenance costs. The NSK 6203 deep groove ball bearing addresses these challenges with its robust design and precise manufacturing. As part of our comprehensive bearing range, we offer access to both this NSK model and alternatives from leading brands, ensuring you find the right fit without multiple supplier relationships. Its single-row, unseparated construction makes it ideal for radial load applications in automation equipment, automotive systems, and industrial machinery where reliability is non-negotiable. This bearing excels in applications with moderate radial loads and low to moderate speeds, such as electric motor shafts and conveyor rollers. The 17mm bore, 40mm outer diameter, and 12mm width (17*40*12 mm specification) provide a compact solution for space-constrained installations. Whether operating in dry or lubricated conditions (grease or oil), its bearing steel construction ensures durability across a range of industrial environments. Caractéristiques techniques clés qui impactent la longévité
The NSK 6203’s performance is defined by critical specifications that matter in real-world use. Its precision ratings (P0, P6, P5, P4) allow selection based on application accuracy requirements—from general industrial use (P0) to high-precision machinery (P4). Vibration classes (Z1V1 to Z3V3) ensure smooth operation, reducing noise and extending equipment life. The availability of seal types (ZZ, 2RS, Open) lets you choose based on contamination risks: 2RS seals offer effective protection in dusty environments, while open designs suit applications requiring frequent lubrication checks. Pourquoi choisir le bon roulement réduit le coût total
Selecting a quality bearing like the NSK 6203 minimizes long-term expenses compared to cheaper alternatives. Inferior bearings often fail early due to substandard steel or imprecise manufacturing, leading to production stops and replacement costs. This bearing’s adherence to international standards ensures dimensional consistency, reducing installation issues and mismatched components. By investing in a bearing that meets ISO 9001 production standards, you avoid hidden costs associated with premature wear, equipment damage, and unplanned maintenance. Qualité sur laquelle vous pouvez compter
Our supply chain follows ISO 9001 certified processes, from raw material inspection to final product testing. Each bearing undergoes dimensional accuracy, hardness, and surface treatment checks to ensure compliance with specifications. We provide a warranty against manufacturing defects, with clear terms for returns and replacements. With access to a wide range of brands and models, we can source bearings to your exact requirements, whether you need the NSK 6203 or a compatible alternative. Our inventory includes common sizes for quick dispatch, supporting both small-scale repairs and large production runs. Emballé dans des cartons avec des options de palette pour les commandes en gros
Disponible en stock pour expédition rapide
Whether you need the NSK 6203 deep groove ball bearing or a similar model from another brand, provide us with your required specifications, quantity, and delivery location. Our team will respond quickly with pricing and availability, helping you secure the parts you need without delay. Questions Fréquemment Posées
Q: Can you supply bearings from other brands besides NSK? A: Yes, we offer a comprehensive range of bearings including international brands like SKF, NTN, Koyo, NACHI, IKO, FAG, Timken, and domestic Chinese brands. We can source specific models as per your requirements. Q: How do I confirm if the NSK 6203 is compatible with my equipment? A: Provide your equipment’s bearing requirements (bore diameter, outer diameter, width, load type, and speed) and our technical team will verify compatibility with the 6203 specification (17*40*12 mm) or recommend alternatives if needed. Q: Quelle est votre politique de garantie pour les roulements ?
A: We provide a warranty against manufacturing defects. The warranty period and terms are specified in each order, with options for returns or replacements of defective products as per mutual agreement. Q: What is the minimum order quantity for the NSK 6203? A: We support low minimum order quantities, allowing you to purchase small quantities for testing or maintenance, as well as large volumes for production needs. Q: How quickly can you ship the NSK 6203 bearing? A: The NSK 6203 is typically in stock and can be shipped within 1-3 business days. Shipping time depends on your location and chosen method (courier, air, or sea freight). Q: Do you offer OEM or ODM services for bearings? A: Yes, we support OEM and ODM定制 according to your specific drawings, specifications, or branding requirements. Ready to order or need a quote? Our engineers will respond within 12 hours with a tailored solution.
6203
Original NSK 6203 Deep Groove Ball Bearing
1-160 mm
Zz 2RS Open
Z1V1 Z2V2 Z3V3
17*40*12 mm
NSK
Production Capacity
1000000
Conveyor systems, electric motors
Wheel hubs, alternators
Pumps, gearboxes
Struggling with Bearing Reliability? The NSK 6203 Deep Groove Ball Bearing Delivers Consistent Performance
Engineered for Dependable Operation in Critical Applications
Optimal Performance in Radial Load Environments
Packaging & Shipping
Get Your NSK 6203 Bearing Quote Today
Send the bearing model, dimensions (d x D x B), and quantity — we’ll get back to you with pricing and lead time.
Product Summary
Get a Custom Quote
General Specifications
| Bearing Type | Angular Contact 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
Original NSK 6203 Deep Groove Ball Bearing Free Samples
NDA protected · Free samples for orders > $50K · Reply within 12 hours
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