Deep Groove Ball Bearing
K42X50X17-K50X58X25 High-Quality Needle Roller Bearings
ISO 9001 TS 16949
Genuine SKF
50+ Countries
24h Response

-- SKF Authorized Engineering Partner

K42X50X17-K50X58X25 High-Quality Needle Roller Bearings

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.

  • Available in models K42X50X17 and K50X58X25, with specifications including 17*40*12mm for precise fit
  • Choose between grease or oil lubrication to suit your application’s specific needs
  • Rich stock availability means fast delivery via Express, Road, Train, Air, or Sea—so you won’t wait to get back to work
  • Trusted brands like BDL, NTN, NSK, and Timken guarantee consistent quality you can rely on

Technical Specifications
Product Name
K42X50X17-K50X58X25 High-Quality Needle Roller Bearings
Category
Deep Groove Ball Bearing
Quality Standard
ISO 9001 / TS 16949
Lead Time
8-12 Weeks Custom
Minimum Order
Negotiable

15+ Certified Engineers On-Call

Free application analysis · Failure diagnosis · Custom modification guidance. Response within 24 hours.

Produktdaten

Parameter

Details

Modell-Nr.

Lagerbestand

Reiche Bestände

Fetttechnologie

Hoch

Schmierung

Fett oder Öl

Vibration

Service

OEM ODM

Lieferung

per Express, Straße, Bahn, Luft, See

Muster

Verfügbar

Pünktlichkeitsquote

100,0 %

Reaktionszeit

Weniger als 0,5 h

Modell

Transportpaket

Kartonpalette

Technische Daten

17 × 40 × 12 mm

Marke

BDL//

/NMB/
    /
  • /

Herkunft

China

HS-Code

8482102000

Produktionskapazität

20.000.000 Stück/Jahr

6203-2RSH 6203-2RSH/VA947 6203-2RSL
Z1V1 Z2V2 Z3V3
6203-2rsf/C3gjn4/AG 6203-2rsf/C3gjn7

Anwendungsgeeignetheit

Industrie

Typische Anwendungen

Automatisierungstechnik

Förderanlagen, Präzisionsmaschinen

Automobilindustrie

Industriemaschinen

Wheel hubs, gearbox components
Electric motors, pumps, compressors

Struggling with Needle Roller Bearing Selection? Focus on These Critical Factors

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.

Engineered for Dependable Performance in Demanding Applications

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.

Optimal Performance in Tight Spaces and High Load Conditions

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.

Wichtige technische Merkmale, die sich auf die Zuverlässigkeit auswirken

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.

Total Cost of Ownership: Why Quality Bearings Matter

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.

Qualität, auf die Sie sich bei jedem Lager verlassen können

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.

Packaging & Shipping

    In Kartons und auf Paletten verpackt, um einen sicheren Transport zu gewährleisten

    Große Lagerverfügbarkeit für sofortigen Versand

    Verschiedene Versandoptionen: Express, Straße, Bahn, Luft und See

    Niedrige Mindestbestellmenge für kleine und große Einkäufe unterstützt

Get Your Needle Roller Bearing Quote Today

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.

Häufig gestellte Fragen

F: Liefern Sie Lager von anderen Marken oder Modellen?

A: Ja, wir unterstützen Anfragen für alle Lager-Marken und -Modelle und können gemäß Ihren spezifischen Anforderungen liefern.

F: Wie kann ich überprüfen, ob dieses Lager zu meinem Gerät passt?

A: Provide your equipment’s bearing尺寸 or型号, and our technical team will verify compatibility for you.

F: Wie lauten Ihre Garantiebedingungen?

A: We offer a warranty period for all bearings, covering manufacturing defects. Specific terms are subject to agreement in the contract.

F: Wie hoch ist die Mindestbestellmenge?

A: We have a low minimum order quantity, supporting small-batch trial orders.

F: Wie lange dauert der Versand und welche Methoden sind verfügbar?

A: In-stock items are shipped immediately. We offer flexible物流 options including Express, Road, Train, Air, and Sea.

F: Bieten Sie OEM-/ODM-Dienstleistungen an?

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.
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Wind Power

Main shaft, gearbox, and generator bearings for onshore and offshore wind turbines. Engineered for 20+ year service life.

Mining & Heavy Industry

Crushers, conveyors, and processing equipment bearings designed to withstand shock loads and contaminated environments.

Steel & Metallurgy

Rolling mill and continuous casting bearings rated for extreme temperatures, heavy loads, and aggressive lubricants.

Automotive & EV

Hub units, transmission, and electric motor bearings meeting TS 16949 requirements for passenger and commercial vehicles.

Precision Machinery

Machine tool spindle and robotics bearings with P4/P2 accuracy class for ultra-precise positioning and minimal vibration.

General Industrial

Pumps, fans, compressors, and conveyor systems across all manufacturing sectors requiring reliable, cost-effective bearing solutions.

01

Authorized SKF Engineering Partner

Official partner since 1998 with direct access to SKF technical resources, genuine products, and engineering expertise.

02

15+ Certified Engineers On-Staff

In-house team provides application design, failure analysis, and predictive maintenance -- reducing bearing failures by 35%.

03

ISO 9001 & TS 16949 Certified QC

Every product undergoes rigorous pre-shipment inspection with full documentation for traceability and compliance.

04

Global Logistics to 50+ Countries

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.

Application Design

Engineering

Custom bearing selection and system design based on your specific load conditions, speeds, temperatures, and environmental factors.

Failure Analysis

Diagnostics

Root-cause investigation of bearing failures using metallurgical testing, vibration analysis, and operating data review.

Predictive Maintenance

IIoT

IIoT-enabled monitoring with smart sensor bearings for real-time vibration, temperature, and RPM tracking.

Custom Modification

Custom

Modified bearings with special coatings, seals, tolerances, or materials. Lead time 8-12 weeks from official channels.

On-Site Installation

Support

Certified engineers available for on-site installation support, alignment checks, and commissioning assistance worldwide.

Lifecycle Support

Lifecycle

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.

Contact Engineering Team

-- Get In Touch

Request a Technical Consultation & Quote

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.

Product Inquiry Form

Regarding: K42X50X17-K50X58X25 High-Quality Needle Roller Bearings

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ISO 9001 · TS 16949 · Authorized SKF Partner · Since 1998

SKF Authorized Engineering Partner

Need technical support or a custom solution?

15+ certified engineers ready to help. Response within 24 hours.