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Deep Groove Ball Bearing
6203-2RS Deep Groove Ball Bearing High Quality In Stock
Ensure smooth, reliable performance in your machinery with this high-quality 6203-2RS Bearing, ready to ship immediately. Crafted from durable bearing steel and pre-lubricated with grease or oil, it eliminates unexpected downtime by maintaining consistent radial load support and a 0° contact angle for precise alignment.
- Single-row deep groove design delivers long-lasting stability in high-speed applications
- 2RS seals provide superior protection against contaminants, extending service life in harsh environments
- Available in precision ratings P0 to P4 to meet exact operational requirements
Backed by NSK's trusted engineering and in-stock availability, this bearing ensures your equipment runs efficiently with minimal maintenance—exactly what you need for uninterrupted workflow.
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
Product Specifications
| Parameter | Details |
|---|---|
| Model Number | 6203 |
| Bearing Type | Deep Groove Ball Bearing |
| Seals Type | Zz, 2RS, Open |
| Lubrication | Grease or Oil |
| Precision Rating | P0, P6, P5, P4 |
| Vibration | Z1V1, Z2V2, Z3V3 |
| Material | Bearing Steel |
| Specification | 17*40*12 mm |
| Load Direction | Radial Bearing |
| Rows Number | Single |
| Separated | Unseparated |
| Aligning | Non-Aligning Bearing |
| Contact Angle | 0° |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Automation Equipment | Conveyor systems, gearboxes, electric motors |
| Automotive | Wheel hubs, alternators, water pumps |
| Industrial Machinery | Machine tool spindles, hydraulic pumps |
Struggling with Bearing Reliability? The 6203-2RS Deep Groove Ball Bearing Delivers Consistency
Many maintenance teams face recurring issues with bearing failures—premature wear from poor material quality, downtime from mismatched precision ratings, or delays waiting for specific models. When a 6203 bearing fails in critical equipment like electric motors or conveyor systems, the cost adds up quickly: lost production, replacement parts, and overtime labor.
Engineered for Long-Term Performance in Demanding Environments
Our 6203-2RS deep groove ball bearing addresses these challenges with ISO 9001-certified manufacturing processes and strict quality control. Available in open, Zz, or 2RS seal options, it suits applications requiring protection against dust and moisture—ideal for automation equipment and industrial machinery. With现货库存 (in-stock availability) and compatibility with international standards, we eliminate the hassle of sourcing from multiple suppliers.
Optimal Performance in Radial Load Applications
Designed as a radial bearing with a 0° contact angle, this single-row unseparated bearing excels in applications with primarily radial loads, such as gearboxes and electric motor shafts. The 17mm bore diameter, 40mm outer diameter, and 12mm width (17*40*12 mm) fit standard mounting configurations, while precision ratings from P0 to P4 accommodate everything from general industrial use to high-precision machine tools.
Key Engineering Features That Impact Reliability
The bearing steel construction ensures high surface hardness and wear resistance, critical for withstanding continuous operation. Vibration classes Z1V1 to Z3V3 allow selection based on noise and smoothness requirements—Z3V3 for low-vibration applications like precision conveyors. Grease or oil lubrication flexibility lets maintenance teams choose the best option for their operating environment, whether high-temperature industrial settings or clean automotive applications. The 2RS seal variant provides effective barrier protection without sacrificing rotational efficiency.
Why Quality Bearings Reduce Total Cost of Ownership
Choosing a low-quality 6203 bearing may save upfront costs, but frequent replacements due to material fatigue or imprecise dimensions lead to higher long-term expenses. Our bearings undergo rigorous testing—including dimensional checks, hardness testing, and surface finish inspection—to meet industry standards. Properly matched precision ratings and vibration levels minimize equipment vibration, reducing wear on adjacent components and extending overall system life. This focus on quality directly lowers maintenance frequency and downtime.
Quality You Can Rely On
Our production and inspection processes are ISO 9001 certified, ensuring consistent quality from raw material selection to finished product. Each bearing undergoes dimensional accuracy checks, hardness testing, and surface treatment verification. We provide a warranty against manufacturing defects, with clear terms for replacement or return. As a full-service supplier, we offer both our own brand and access to international brands like NSK, NTN, and Koyo, allowing you to source exactly what your application requires. With extensive现货库存 (in-stock inventory), we support quick turnaround for urgent orders.
Packaging & Shipping
- Standard packaging: Carton and pallet for safe transportation
- Ready for immediate dispatch from in-stock inventory
- Flexible shipping options: Express courier, air freight, or sea freight
- Low minimum order quantity, suitable for both small repairs and large-scale production
Get Your 6203-2RS Bearing Quote Today
Whether you need a single replacement or bulk order, provide your required seal type (2RS, Zz, or open), precision rating, and quantity. Our team will confirm availability and deliver a competitive quote within 24 hours. Don’t let bearing issues slow down your operations—secure the right part with the reliability you need.
Frequently Asked Questions
Q: Do you supply other bearing brands or models?
A: Yes, we offer a full range of bearings including deep groove ball, roller, and stainless steel types, and can source international brands (SKF, NSK, NTN, etc.) or domestic Chinese brands based on your specifications.
Q: How can I confirm if this 6203 bearing fits my equipment?
A: Provide your equipment model or the required dimensions (bore diameter, outer diameter, width), and our technical team will verify compatibility with standard 6203 series specifications.
Q: What is your warranty policy for bearings?
A: We provide a warranty against manufacturing defects. Specific terms, including duration, are outlined in each order contract, with options for replacement or return in case of quality issues.
Q: What is the minimum order quantity for this bearing?
A: We accept low minimum orders, including single units for emergency repairs, with volume discounts available for bulk purchases.
Q: How quickly can you ship the 6203-2RS bearing?
A: This model is in stock and typically ships within 1-2 business days. Shipping time depends on your location and chosen method (courier, air, or sea).
Q: Do you offer OEM or ODM services for bearings?
A: Yes, we support custom bearing manufacturing (OEM/ODM) based on your drawings, specifications, or sample parts.
Ready to order or need a quote?
Send the bearing model, dimensions (d x D x B), and quantity — we’ll get back to you with pricing and lead time.
contact@bearing-supply.com | +1-555-123-4567
Product Summary
- Product Name
- 6203-2RS Deep Groove Ball Bearing High Quality In Stock
- 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
6203-2RS Deep Groove Ball Bearing High Quality In Stock
NDA protected · Free samples for orders > $50K · Reply within 12 hours
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