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Needle Bearing
K42X50X17-K50X58X25 High-Quality Needle Roller Bearings
Experience smoother, more reliable machinery performance with our precision-engineered K42X50X17-K50X58X25 solutions. These needle roller bearings deliver exceptional load capacity in compact designs, ensuring your equipment maintains optimal efficiency even under heavy operating demands. Crafted with high-quality materials, they minimize friction and wear, reducing the need for frequent replacements and keeping your operations running without costly downtime.
- Precision tolerances (K42X50X17/K50X58X25) for seamless integration into industrial gearboxes and automotive applications
- Enhanced durability to handle radial loads with minimal deflection, critical for high-torque systems
- Direct drop-in compatibility with standard mounting configurations, simplifying maintenance and upgrades
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 |
|---|---|
| Bearing Type | Needle Roller Bearings |
| Model Number | K42X50X17, K50X58X25 |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Automation Equipment | Linear motion systems, precision guide rails |
| Hydraulic Systems | Cylinder piston rods, hydraulic actuators |
| Mechanical Engineering | Transmission linkages, gearbox components |
Struggling with Needle Roller Bearing Selection? Focus on These Critical Factors
Procuring the right needle roller bearings often means navigating a maze of dimensions, standards, and quality claims. Missteps here lead to common headaches: bearings that fail prematurely due to material inconsistencies, or spending hours cross-referencing international part numbers across multiple suppliers.
Engineered for Reliable Performance in Demanding Applications
The K42X50X17-K50X58X25 needle roller bearings address these challenges through ISO 9001-certified manufacturing processes and compatibility with major international standards. Our extensive inventory ensures these bearings are available for quick deployment in critical systems like hydraulic cylinder assemblies and precision automation equipment, where dimensional accuracy directly impacts operational efficiency.
Optimal Performance in High-Load, Limited-Space Environments
Designed for applications with restricted radial space, these needle roller bearings excel in transmitting high radial loads while maintaining compact dimensions. Typical use cases include conveyor drive systems and robotic arm joints, where their high load-carrying capacity per unit volume prevents premature wear even under continuous operation.
Key Engineering Features That Ensure Longevity
Material selection is critical for needle roller bearing performance. The precision-ground raceways and rollers in these bearings minimize friction, reducing heat buildup during high-speed operation. Surface hardness testing confirms resistance to indentation under heavy loads, a critical factor in preventing catastrophic failure in industrial gearboxes. Additionally, the standardized dimensions (42mm x 50mm x 17mm and 50mm x 58mm x 25mm) ensure drop-in compatibility with existing equipment, eliminating the need for costly design modifications.
Why Quality Bearings Reduce Total Operational Costs
Choosing inferior needle roller bearings may seem cost-effective initially, but the hidden expenses add up quickly. Early bearing failure in critical machinery leads to unplanned downtime, production losses, and potential damage to adjacent components. These high-quality bearings, manufactured to strict dimensional tolerances, extend maintenance intervals and reduce replacement frequency, directly lowering long-term operational costs.
Quality Assurance You Can Verify
Every batch of these needle roller bearings undergoes comprehensive testing, including dimensional inspection, hardness verification, and surface finish analysis. Our ISO 9001-certified quality management system ensures consistency from raw material selection to final packaging. We stand behind our products with a manufacturer’s warranty covering material and workmanship defects, providing clear recourse in the unlikely event of premature failure.
Packaging & Shipping
- Neutral industrial packaging with protective inner wrapping
- Stock availability for immediate dispatch
- Flexible shipping options including express courier, air freight, and sea transport
- Low minimum order quantity to accommodate both small repairs and large-scale production runs
Get Your Needle Roller Bearing Quote Today
Whether you need the K42X50X17-K50X58X25 series or other needle roller bearings, provide your required model, dimensions, and quantity for a prompt quotation. Our multi-brand sourcing capability means we can also assist with hard-to-find equivalents from major manufacturers, ensuring you get the right bearings when you need them.
Frequently Asked Questions
Q: Can you source other brands or models of needle roller bearings?
A: Yes, we support inquiries for all major brands and models, providing cross-referencing assistance to match your specific requirements.
Q: How can I confirm if these bearings fit my equipment?
A: Provide your equipment model or existing bearing dimensions (inner diameter, outer diameter, width), and our technical team will verify compatibility.
Q: What is your warranty policy for these needle roller bearings?
A: We offer a standard warranty covering manufacturing defects; specific terms are detailed in each sales contract.
Q: What is the minimum order quantity for these bearings?
A: We accept small minimum orders, making it feasible for maintenance, repair, and small-batch production needs.
Q: How quickly can you ship after order confirmation?
A: In-stock items ship within 1-2 business days; expedited shipping options are available for urgent requirements.
Q: Do you offer custom needle roller bearing solutions?
A: Yes, we support OEM/ODM customization based on your technical drawings and performance 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.
Contact us via email or phone for immediate assistance.
Product Summary
- Product Name
- K42X50X17-K50X58X25 High-Quality Needle Roller Bearings
- Category
- Needle 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 | Needle 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
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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
K42X50X17-K50X58X25 High-Quality Needle Roller Bearings
NDA protected · Free samples for orders > $50K · Reply within 12 hours
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