-- SKF Authorized Engineering Partner
Boost your machinery’s performance with reliable High-Quality Needle Roller Bearings designed to minimize downtime and maximize efficiency. These precision-engineered bearings deliver smooth operation even under heavy loads, ensuring your equipment runs longer with less maintenance.
15+ Certified Engineers On-Call
Free application analysis · Failure diagnosis · Custom modification guidance. Response within 24 hours.
| Parameter | Details |
|---|---|
| Model NO. | 6203-2RSH 6203-2RSH/VA947 6203-2RSL |
| Stock | Rich Stocks |
| Grease Technology | High |
| Lubrication | Grease or Oil |
| Vibration | Z1V1 Z2V2 Z3V3 |
| Service | OEM ODM |
| Delivery | by Express, Road, Train, Air, Sea |
| Sample | Available |
| on-Time Delivery Rate | 100.0% |
| Response Time | Less Than 0.5h |
| Model | 6203-2rsf/C3gjn4/AG 6203-2rsf/C3gjn7 |
| Transport Package | Carton Pallet |
| Specification | 17*40*12mm |
| Trademark | BDL/NTN/NSK/NMB/Koyo/NACHI/Timken |
| Origin | China |
| HS Code | 8482102000 |
| Production Capacity | 200000000 Pieces/Year |
| Industry | Typical Applications |
|---|---|
| Automation Equipment | Conveyor systems, precision machinery |
| Automotive | Wheel hubs, gearbox components |
| Industrial Machinery | Electric motors, pumps, compressors |
Procuring the right needle roller bearings often means sifting through endless型号 variations and worrying about compatibility with existing equipment. Many buyers face costly delays when specifications don’t match or low-quality bearings fail prematurely, disrupting production schedules and increasing maintenance workload.
The K42X50X17-K50X58X25 High-Quality Needle Roller Bearings address these challenges with precision manufacturing and versatile design. Backed by ISO 9001 certified production processes and rich stock availability, these bearings ensure quick delivery and consistent quality for critical applications in automation equipment, automotive systems, and industrial machinery. Their robust construction handles radial loads efficiently, making them ideal for compact installations where space is limited.
These needle roller bearings excel in applications with restricted axial space and moderate to high radial loads, such as gearbox assemblies and robotic arms. The vibration classes Z1V1 to Z3V3 allow customization based on noise and precision requirements, ensuring smooth operation even in high-speed environments. Proper lubrication—either grease or oil—further extends service life, reducing the need for frequent maintenance in hard-to-reach locations.
The 17*40*12mm specification provides a balance of bore diameter, outer diameter, and width, making these bearings interchangeable with common international standards. High grease technology ensures effective lubrication retention, critical for minimizing friction and wear in continuous operation. Surface hardness and precision machining meet industry standards, ensuring tight tolerances that prevent misalignment issues and reduce vibration-related fatigue. The availability of multiple models, including sealed variants like 6203-2RSH, offers flexibility for applications requiring contamination protection.
Choosing substandard needle roller bearings may lower initial costs but often leads to higher long-term expenses due to early failure, unplanned downtime, and damage to adjacent components. These high-quality bearings, with their 100% on-time delivery rate and rigorous quality control, reduce the risk of production disruptions. By adhering to ISO 9001 standards, they ensure consistent performance, extending service intervals and lowering maintenance costs—ultimately delivering better value than cheaper alternatives.
Our needle roller bearings undergo comprehensive testing, including raw material inspection and成品尺寸, hardness, and surface treatment checks. We offer OEM and ODM services to meet specific application needs, and all products come with a warranty against manufacturing defects. With access to a wide range of brands—including NTN, NSK, Koyo, and NACHI—we can source or produce bearings to your exact specifications, ensuring compatibility and reliability.
Whether you need the K42X50X17-K50X58X25 model or other needle roller bearings, provide us with your required型号, dimensions, and quantity. Our team will respond within 0.5 hours with pricing and delivery details, ensuring you get the bearings you need without delay.
Q: Do you supply bearings from other brands or models?
A: Yes, we support inquiries for all bearing brands and models, and can supply according to your specified requirements.
Q: How can I confirm if this bearing fits my equipment?
A: Provide your equipment’s bearing尺寸 or型号, and our technical team will verify compatibility for you.
Q: What is your warranty policy?
A: We offer a warranty period for all bearings, covering manufacturing defects. Specific terms are subject to agreement in the contract.
Q: What is the minimum order quantity?
A: We have a low minimum order quantity, supporting small-batch trial orders.
Q: How long does shipping take and what methods are available?
A: In-stock items are shipped immediately. We offer flexible物流 options including Express, Road, Train, Air, and Sea.
Q: Do you provide OEM/ODM services?
A: Yes, we support customization according to your drawings or specifications.
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.
{{联系方式}}
Main shaft, gearbox, and generator bearings for onshore and offshore wind turbines. Engineered for 20+ year service life.
Crushers, conveyors, and processing equipment bearings designed to withstand shock loads and contaminated environments.
Rolling mill and continuous casting bearings rated for extreme temperatures, heavy loads, and aggressive lubricants.
Hub units, transmission, and electric motor bearings meeting TS 16949 requirements for passenger and commercial vehicles.
Machine tool spindle and robotics bearings with P4/P2 accuracy class for ultra-precise positioning and minimal vibration.
Pumps, fans, compressors, and conveyor systems across all manufacturing sectors requiring reliable, cost-effective bearing solutions.
Official partner since 1998 with direct access to SKF technical resources, genuine products, and engineering expertise.
In-house team provides application design, failure analysis, and predictive maintenance -- reducing bearing failures by 35%.
Every product undergoes rigorous pre-shipment inspection with full documentation for traceability and compliance.
Dedicated account managers and reliable delivery networks ensure on-time supply for enterprise clients worldwide.
Performance Metrics
35%
Failures Prevented
70%
Downtime Reduction
25+
Years Experience
24h
Quote Response
78% of large enterprises prefer suppliers offering integrated technical support and lifecycle services.
Custom bearing selection and system design based on your specific load conditions, speeds, temperatures, and environmental factors.
Root-cause investigation of bearing failures using metallurgical testing, vibration analysis, and operating data review.
IIoT-enabled monitoring with smart sensor bearings for real-time vibration, temperature, and RPM tracking.
Modified bearings with special coatings, seals, tolerances, or materials. Lead time 8-12 weeks from official channels.
Certified engineers available for on-site installation support, alignment checks, and commissioning assistance worldwide.
Long-term service agreements including regular maintenance checks, replacement scheduling, and performance reporting.
Free samples available for orders over $50K
Validated against your KPIs before full production commitment.
-- Get In Touch
Our certified engineers will review your application requirements and provide a detailed quote within 24 hours.
Address
No. 377 Bansongyuan Road, Huangpu District, Shanghai, China
Free Sample Program
Orders over $50K qualify for free product samples
Test against your KPIs before full production commitment. Ask our engineers for details.
Regarding: K42X50X17-K50X58X25 High-Quality Needle Roller Bearings
-- Related Products
SKF Authorized Engineering Partner
Need technical support or a custom solution?
15+ certified engineers ready to help. Response within 24 hours.
