Self-Aligning Ball Bearing
NTN Koyo Timken N303em-N305em Cylindrical Roller Bearing
ISO 9001 TS 16949
Genuine SKF
50+ Countries
24h Response

-- SKF Authorized Engineering Partner

NTN Koyo Timken N303em-N305em Cylindrical Roller Bearing

Ensure smooth, reliable performance in your machinery with this high-quality Cylindrical Roller Bearing, designed to handle radial loads with precision and reduce downtime. Available in precision ratings from P0 to P2 and clearances C0, C3, or C4, it adapts to your specific operational needs—whether you’re working with high-speed applications or heavy industrial equipment.

  • Steel or brass cage options provide durability for long-term use, even in demanding environments
  • Double-row design enhances load capacity, ensuring consistent performance under pressure
  • Quick 10-15 day delivery keeps your operations on schedule, minimizing production delays

Crafted from premium bearing steel and backed by OEM/ODM service, this bearing delivers the reliability you need to keep your systems running efficiently.

Technical Specifications
Product Name
NTN Koyo Timken N303em-N305em Cylindrical Roller Bearing
Category
Self-Aligning Ball 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

Präzisionsbewertung

P0, P6, P5, P4, P2

Lichtmaß

C0, C3, C4

Lieferzeit

10–15 Tage

Käfig

Stahlkäfig, Messingkäfig

Service

OEM, ODM

Kontaktwinkel

60°

Ausrichten

Ausrichtlager

Getrennt

Nicht getrennt

Anzahl der Zeilen

Doppelt

Lastrichtung

Radiallager

Material

Lagerstahl

Transportpaket

Karton, Palette

Technische Daten

Marke

BDL

Herkunft

China

HS-Code

8482101000

1310, 1310TN
95×170×32 mm

Anwendungsgeeignetheit

Industrie

Typische Anwendungen

Baumaschinen

Hydrauliksystemkomponenten, Drehgelenke

Stahlmetallurgie

Förderanlagen, Walzwerksausrüstung

Automatisierungstechnik

Industriemaschinen

Rotary tables, precision positioning mechanisms
Reducer assemblies, gearbox supports

Need Reliable Cylindrical Roller Bearings? Here’s What You Should Check

Finding the right cylindrical roller bearing for your equipment can be challenging. Many buyers struggle with mismatched dimensions causing installation delays, or low-quality bearings failing prematurely under heavy loads. Sourcing from multiple suppliers to compare brands and lead times only adds complexity to your procurement process.

Entwickelt für konstante Leistung unter anspruchsvollen Bedingungen

Our NTN Koyo Timken N303em-N305em cylindrical roller bearings address these challenges with ISO 9001-certified manufacturing processes and strict quality control. As a full-range bearing supplier, we offer both our BDL brand and access to international models, ensuring you get the right specification without switching vendors. The double-row design and 60° contact angle provide reliable radial load support, ideal for applications like hydraulic system pivots and conveyor drives.

Optimale Leistung in Anwendungen mit hoher Belastung und hoher Neigung zu Fluchtungsfehlern

This cylindrical roller bearing excels in industrial environments where moderate misalignment occurs. The aligning capability accommodates minor shaft deflection, while the unseparated construction maintains structural integrity under dynamic loads up to the bearing’s rated capacity. Whether operating in dusty factory settings or temperature-varying conditions, the bearing steel material ensures durability and resistance to wear.

Wichtige technische Merkmale für eine lange Lebensdauer

The precision rating options (P0 to P2) allow selection based on application accuracy requirements—P5 or P4 grades for high-speed machinery, P0 for general industrial use. Clearance grades C0 (standard), C3, and C4 provide flexibility for thermal expansion considerations; C3 is recommended for applications with temperature fluctuations. The choice between steel or brass cages offers trade-offs in weight and heat resistance, with brass cages better suited for higher operating temperatures.

Why Proper Bearing Selection Reduces Total Costs

Choosing the correct cylindrical roller bearing directly impacts your equipment’s reliability and maintenance expenses. Bearings with inadequate precision or material quality often lead to increased vibration, noise, and early failure, resulting in unplanned downtime and replacement costs. Our bearings undergo rigorous dimension and hardness testing, ensuring they meet specified tolerances and resist premature wear. By selecting the right clearance and cage material upfront, you minimize long-term operational costs.

Qualitätssicherung, auf die Sie vertrauen können

All bearings follow ISO 9001 standards from raw material inspection through final testing. Each unit undergoes dimensional checks (95×170×32 mm specifications), surface hardness verification, and visual inspection to ensure quality. We provide a warranty against manufacturing defects, with clear terms for replacement or return. Our extensive inventory includes both standard and custom options, supporting OEM/ODM requirements for specialized applications.

Packaging & Shipping

    Standardverpackung: Kartons mit Palettierung für Großbestellungen

    Lieferzeit: 10–15 Tage ab Auftragsbestätigung

  • Shipping options: Express courier, air freight, or sea freight based on urgency and destination

    • Mindestbestellmenge: Flexibel, sowohl für kleine Testbestellungen als auch für Großbestellungen geeignet

Fordern Sie noch heute Ihr Angebot für Zylinderrollenlager an

Whether you need the N303em-N305em series or other cylindrical roller bearings, provide your required model, dimensions, and quantity, and we’ll deliver a competitive quote with lead time. Our team can also assist with cross-referencing international brand equivalents to ensure compatibility with your existing equipment.

Häufig gestellte Fragen

F: Führen Sie neben BDL auch Lager anderer Marken?

A: Yes, we offer a full range of international brands including SKF, NSK, NTN, Koyo, and Timken, as well as domestic Chinese brands, based on customer specifications.

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

A: Provide your equipment model or existing bearing dimensions (bore, outer diameter, width), and our technical team will verify compatibility with the N303em-N305em series.

F: Wie lauten Ihre Garantiebedingungen für diese Lager?

A: We provide a warranty covering manufacturing defects. Specific terms, including duration, are detailed in each sales contract, with replacement or refund options for confirmed quality issues.

F: Was ist die Mindestbestellmenge für dieses Lager?

A: We accept small orders for trial purposes, with no strict minimum quantity. Larger orders may qualify for volume pricing.

F: Wie lange dauert der Versand nach [meinem Standort]?

A: Standard delivery is 10-15 days from production. For urgent orders, express shipping can reduce lead time to 3-5 days depending on destination.

F: Können Sie maßgeschneiderte Lager nach meinen Spezifikationen herstellen?

A: Yes, we support OEM/ODM services. Provide detailed drawings or performance requirements, and our engineering team will develop a solution tailored to your application.

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 inquiry form for prompt assistance.

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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

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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: NTN Koyo Timken N303em-N305em Cylindrical Roller Bearing

Response within 24 hours · Free engineering consultation · No obligation

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

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