NTN 30214 Tapered Roller Bearing Factory Direct Sale
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SKF
Deep Groove Ball Bearing
ISO 9001
TS 16949
Genuine SKF
50+ Countries
24h Response
-- SKF Authorized Engineering Partner
Timken NJ309em NJ310em NJ311em Cylindrical Roller Bearing
Keep your machinery running smoothly with reliable Timken Cylindrical Roller Bearings designed for consistent performance under radial loads. These NJ309em, NJ310em, and NJ311em models deliver the durability you need, whether lubricated with grease or oil, to minimize downtime and extend equipment life.
- Precision engineering with P0-P4 ratings ensures tight tolerances for reduced vibration (Z1V1-Z3V3 options available)
- Single-row, non-aligning design maintains stability in high-speed applications
- Constructed from high-quality bearing steel for long-term wear resistance
- Unseparated structure simplifies installation and maintenance, saving you valuable time
Technical Specifications
- Product Name
- Timken NJ309em NJ310em NJ311em Cylindrical Roller Bearing
- 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
Modellnummer
Schmierung
Fett oder Öl
Präzisionsbewertung
P0 P6 P5 P4
Vibration
Service
OEM ODM Ausrichten
Nicht-Ausrichtendes Lager
Getrennt
Nicht getrennt
Anzahl der Zeilen
Einzel
Lastrichtung
Radiallager
Material
Lagerstahl
Kontaktwinkel
0°
Technische Daten
20 × 47 × 14 mm
Herkunft
China
HS-Code
8482102000
Anwendungsgeeignetheit
Industrie
Typische Anwendungen
Automatisierungstechnik
Fördersysteme, Linearführungsschienen
Maschinenbau
Werkzeugmaschinenspindeln, Getriebe
Industriemaschinen
Hydraulikpumpen, Elektromotoren
Finding the right cylindrical roller bearing for your equipment can be challenging. Mismatched dimensions lead to installation delays, while low-quality bearings often fail prematurely, causing costly downtime. Sourcing from multiple suppliers for different brands only adds complexity to your procurement process. Entwickelt für konstante Leistung in anspruchsvollen Anwendungen
The Timken NJ309em, NJ310em, and NJ311em cylindrical roller bearings address these challenges with precision-engineered design. As a professional bearing supplier with ISO 9001 certified processes, we ensure each bearing meets strict quality standards. Our extensive inventory covers both自有 brands and international models, allowing you to source all required bearings from a single trusted partner. Optimale Leistung bei radialer Belastung
These single-row cylindrical roller bearings are specifically designed for radial load applications, making them ideal for high-speed rotating machinery. With a contact angle of 0°, they excel in scenarios where axial movement is minimal but radial force is significant. The non-aligning design ensures stable operation in equipment with precise shaft alignment, such as electric motors and gearboxes. Wichtige technische Merkmale für Langlebigkeit
The bearing steel construction provides excellent durability and wear resistance, critical for extending service life in industrial environments. Precision ratings from P0 to P4 allow customization based on application requirements—higher precision grades (P4) suit machine tools, while standard grades (P0) work well in general industrial settings. Vibration classes Z1V1 to Z3V3 further refine performance, with Z3V3 offering the lowest vibration levels for noise-sensitive applications. The unseparated design simplifies installation and maintenance, reducing assembly time. Gesamtbetriebskosten: Warum Qualität entscheidend ist
Choosing the right cylindrical roller bearing directly impacts your equipment’s total cost of ownership. Inferior bearings with substandard material hardness or imprecise dimensions lead to early wear, increased vibration, and potential equipment damage. Our bearings undergo rigorous testing, including dimensional checks and surface hardness verification, ensuring they meet performance expectations. This attention to quality reduces replacement frequency and maintenance costs, delivering better long-term value than cheaper alternatives. Qualität, auf die Sie sich verlassen können
Our manufacturing and inspection processes comply with ISO 9001 standards, from raw material testing to final product verification. Each bearing undergoes dimensional accuracy, hardness, and surface treatment checks to ensure consistent quality. We provide a warranty period covering manufacturing defects, with clear terms for returns and replacements. Our comprehensive supply chain includes both standard and custom options, supporting OEM/ODM requirements to match your exact specifications. Verpackt in Kartons mit Palettenoptionen für Großbestellungen
Ab Lager lieferbar, sofortige Lieferung möglich
Flexible Versandmöglichkeiten per Express, Luft- oder Seefracht
Geringe Mindestbestellmenge für kleine Bedarfe möglich
Fordern Sie noch heute Ihr Angebot für Zylinderrollenlager an
Whether you need Timken NJ309em, NJ310em, NJ311em, or other cylindrical roller bearing models, we can assist. Provide your required model, dimensions, and quantity, and our team will quickly respond with pricing and availability. With our extensive brand coverage, you can consolidate your bearing采购 through a single supplier. Häufig gestellte Fragen
F: Führen Sie neben den genannten Marken auch Lager anderer Hersteller?
A: Yes, we support inquiries for all bearing brands and models, providing supply according to your specified brand or technical requirements. F: Wie kann ich überprüfen, ob dieses Lager zu meinem Gerät passt?
A: Provide your equipment’s required bearing dimensions (bore, outer diameter, width) or existing model number, and our technical team will verify compatibility. F: Wie lauten Ihre Garantiebedingungen für diese Lager?
A: We offer a warranty period covering manufacturing defects. Specific terms are detailed in the sales contract, with options for returns or replacements as applicable. F: Was ist die Mindestbestellmenge für dieses Lager?
A: We accept low minimum order quantities, including small batch orders suitable for testing or maintenance needs. F: Wie lange dauert der Versand und welche Methoden stehen zur Verfügung?
A: In-stock bearings ship immediately. Shipping methods include express (3-5 days), air freight (7-10 days), or sea freight (varied by destination), with options tailored to your timeline. F: Können Sie kundenspezifische Lager nach individuellen Konstruktionsvorgaben herstellen?
A: Yes, we support OEM/ODM customization based on your drawings, specifications, or sample requirements. Ready to order or need a quote?
6805
Z1V1 Z2V2 Z3V3
Struggling with Cylindrical Roller Bearing Selection? Timken NJ309em Series Delivers Reliability
Packaging & Shipping
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 now
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
EngineeringCustom bearing selection and system design based on your specific load conditions, speeds, temperatures, and environmental factors.
Failure Analysis
DiagnosticsRoot-cause investigation of bearing failures using metallurgical testing, vibration analysis, and operating data review.
Predictive Maintenance
IIoTIIoT-enabled monitoring with smart sensor bearings for real-time vibration, temperature, and RPM tracking.
Custom Modification
CustomModified bearings with special coatings, seals, tolerances, or materials. Lead time 8-12 weeks from official channels.
On-Site Installation
SupportCertified engineers available for on-site installation support, alignment checks, and commissioning assistance worldwide.
Lifecycle Support
LifecycleLong-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
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: Timken NJ309em NJ310em NJ311em Cylindrical Roller Bearing
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SKF Authorized Engineering Partner
Need technical support or a custom solution?
15+ certified engineers ready to help. Response within 24 hours.