Cylindrical Roller Bearing
NTN 30305 30306 30307 Tapered Roller Bearing High Quality
ISO 9001 TS 16949
Genuine SKF
50+ Countries
24h Response

-- SKF Authorized Engineering Partner

NTN 30305 30306 30307 Tapered Roller Bearing High Quality

Ensure smooth, long-lasting performance in your machinery with high-quality NTN Tapered Roller Bearing designed to handle radial and axial loads with precision. Crafted from durable bearing steel and available in precision ratings P0-P2, these bearings minimize noise and maximize speed, reducing downtime and maintenance hassles.

  • Medium and large outer dimensions (120-190mm) suit heavy-duty applications
  • Grease or oil lubrication flexibility for diverse operating conditions
  • Non-aligning design ensures stable operation under consistent loads
  • Rich stock availability means quick shipping to keep your operations running

Technical Specifications
Product Name
NTN 30305 30306 30307 Tapered Roller Bearing High Quality
Category
Cylindrical Roller Bearing
Quality Standard
ISO 9001 / TS 16949
Lead Time
8-12 Weeks Custom
Minimum Order
Negotiable
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15+ Certified Engineers On-Call

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

Produktdaten

Parameter

Details

Modellnummer

Lagerart

/

/
    /
  • /
    • Rollenlager

Außenabmessung

Mittel und groß (120–190 mm)

Material

Lagerstahl

Sphärisch

Schrägkugellager

Lastrichtung

Radiallager

Getrennt

Nicht getrennt

Schmierung

Fett oder Öl

Präzisionsbewertung

P0, P6, P5, P4, P2

Vibration

,

,

Funktion

Lange Lebensdauer, hohe Drehzahl, geräuscharm

Lagerbestand

Reiche Bestände

Marke

/

/
    /
  • /

Herkunft

China

HS-Code

8482102000

6300, 6301, 6302, 6304, 6305

Anwendungsgeeignetheit

Industrie

Typische Anwendungen

Automobilindustrie

Übertragungssysteme, Radnaben

Industriemaschinen

Förderer, Pumpen, Getriebe

Bauwesen

Stahlmetallurgie

Walzwerke, Verarbeitungsanlagen

Automatisierung

Excavators, cranes, loaders
Robotic arms, precision equipment

Struggling with Roller Bearing Selection? NTN 30305-30307 Series Delivers Reliability

Finding the right tapered roller bearing often means sifting through dozens of models, worrying about compatibility with existing equipment, and risking downtime from premature failures. Many buyers face the frustration of mismatched dimensions or poor quality bearings that wear out within months—costing more in repairs than the initial purchase.

Entwickelt für konstante Leistung unter anspruchsvollen Bedingungen

Our NTN 30305, 30306, and 30307 tapered roller bearings address these challenges head-on. As a专业轴承供应商 with ISO 9001-certified processes, we ensure each bearing meets strict dimensional and material standards. Whether you need a direct replacement for industrial machinery or a custom solution for automotive applications, our extensive inventory and multi-brand sourcing capabilities mean you get the right part when you need it.

Optimal Performance in Radial and Thrust Load Applications

Designed as radial bearings with non-aligning properties, this series excels in medium to large equipment (120-190mm outer dimensions) where precise load distribution is critical. The unseparated design ensures stability under high-speed operation, while the bearing steel construction provides the durability needed for heavy-duty use in construction, steel, and mining industries. Proper lubrication—either grease or oil—further extends service life, making these bearings ideal for continuous-operation machinery.

Wichtige Ingenieurdaten für langfristige Zuverlässigkeit

The precision rating options (P0 to P2) allow customization based on application needs: P0 for general industrial use, P5/P4 for high-speed equipment, and P2 for precision machinery. Vibration levels (Z1V1 to Z3V3) ensure smooth operation, reducing noise in automation and automotive systems. The combination of long life and low noise characteristics stems from strict quality control—each bearing undergoes dimensional checks and surface hardness testing to meet international standards.

Warum die Wahl des richtigen Lagers die Gesamtkosten senkt

Investing in quality tapered roller bearings reduces hidden expenses associated with frequent replacements and unplanned downtime. A bearing that meets precision standards (like our P5-rated options) minimizes vibration-induced wear on adjacent components, extending overall equipment life. In contrast, low-quality bearings with subpar material hardness often fail prematurely, leading to costly repairs and production losses. By focusing on total cost of ownership rather than upfront price, our bearings deliver better value over time.

Qualität, auf die Sie sich verlassen können

Our production and inspection processes adhere to ISO 9001 standards, from raw material testing to final dimension verification. Each bearing undergoes hardness and surface treatment checks to ensure consistency. We offer a warranty against manufacturing defects, with clear terms outlined in each order. With rich stocks and support for OEM/ODM customization, we can fulfill both standard and specialized requirements, including hard-to-find models from NTN, NSK, Koyo, NACHI, and Timken.

Packaging & Shipping

    Verpackt in Kartons mit Paletten für sicheren Transport

    Bereit für den sofortigen Versand aus reichhaltigem Lagerbestand

  • Flexible shipping options: by sea for large orders, by air for urgent requirements
  • Low minimum order quantity supported, ideal for both small repairs and bulk production

Get Your NTN Tapered Roller Bearing Quote Today

Whether you need NTN 30305, 30306, 30307, or other roller bearing models, we can provide competitive pricing and quick delivery. Share your required model, quantity, and delivery location, and our team will respond with a detailed quote—no obligation, just reliable service from a trusted supplier.

Häufig gestellte Fragen

F: Führen Sie neben auch Lager anderer Marken?

A: Yes, we offer a full range of international brands including NSK, Koyo, NACHI, Timken, and domestic Chinese brands. We can source any specified brand or model based on your requirements.

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

A: Provide your equipment model or the bearing dimensions (bore diameter, outer diameter, width), and our technical team will verify compatibility with the 30305-30307 series or recommend alternatives.

F: Wie lauten Ihre Garantiebedingungen?

A: We provide a warranty against manufacturing defects. Specific terms, including duration, are detailed in each sales contract, with options for returns or replacements in case of quality issues.

F: Wie hoch ist die Mindestbestellmenge?

A: We support low minimum order quantities, allowing small batch purchases for maintenance or testing, as well as large volume orders for production.

F: Wie lange dauert der Versand?

A: In-stock items ship within 1-3 business days. Sea freight typically takes 20-35 days, while air freight arrives in 3-7 days depending on destination.

F: Können Sie Sonderlager herstellen?

A: Yes, we offer OEM/ODM services. Provide technical drawings or specifications, and we can manufacture bearings tailored to your unique requirements.

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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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.

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

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