21311-21316CCK W33 Self-Aligning Roller Bearing High Quality
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SKF
Spherical Plain Bearing
ISO 9001
TS 16949
Genuine SKF
50+ Countries
24h Response
-- SKF Authorized Engineering Partner
NTN N2328em NJ2328em Japan High Precision Cylindrical Roller Bearings
Ensure smooth, high-precision operation in your machinery with NTN N2328em Bearings, designed to deliver reliable performance under heavy radial loads. Crafted from premium bearing steel and featuring a whole outer ring structure, these cylindrical roller bearings minimize vibration (Z1V1-Z3V3 ratings) and maintain stability in demanding applications like engineering hydraulic cylinders and construction machinery.
- Non self-lubricating design allows flexibility to use grease or oil, adapting to your specific maintenance needs
- Precision ratings from P0 to P2 ensure consistent performance, reducing downtime in automated and heavy-duty systems
- Rich stock availability means fast delivery via express, air, or sea—keeping your operations on schedule
Technical Specifications
- Product Name
- NTN N2328em NJ2328em Japan High Precision Cylindrical Roller Bearings
- Category
- Spherical Plain 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.
Material
Lagerstahl
Lastrichtung
Radiales sphärisches Gleitlager
Schmiermittel nachfüllen
Nicht selbstschmierend
Außenstruktur
Gesamter Außenring
Gelenkkopf
Gelenkkopf
Dicke
5 mm
Bewerbung
Präzisionsbewertung
P0, P6, P5, P4, P2
Lagerbestand Reiche Bestände
Schmierung
Fett oder Öl
Vibration
, Service
OEM, ODM
Lieferung
per Express, Straße, Bahn, Luft, See
Muster
Verfügbar
Transportpaket
Karton, Palette
Technische Daten
Herkunft
China
HS-Code
8482102000
Anwendungsgeeignetheit
Industrie
Typische Anwendungen
Baumaschinen
Drehpunkte von Hydraulikzylindern, Auslegergelenke
Automobilindustrie
Stoßdämpfer-Anlenkungen
Industrieautomation
Roboterarmgelenke, Fördersysteme
Selecting the right bearing often means sifting through countless models across brands, only to face mismatched dimensions or poor durability that leads to unexpected downtime. For engineers working with hydraulic cylinders or construction machinery, the challenge of finding a precise replacement—especially when dealing with both metric and imperial standards—can stall projects and drive up costs. Entwickelt für konsistente Leistung in anspruchsvollen Umgebungen
Our cylindrical roller bearings, including models like NTN N2328em and NJ2328em, address these challenges with a focus on precision and accessibility. Backed by ISO 9001-certified production processes, these bearings meet strict dimensional and hardness requirements, ensuring compatibility with international standards. With rich stocks covering both our own brand and major international brands like NTN, we eliminate the need for multi-supplier sourcing, making it easier to find the exact bearing you need for engineering hydraulic cylinders or automation equipment. Wo dieses Lager seine besten Leistungen erbringt
Designed for radial load applications, these cylindrical roller bearings excel in high-stress environments such as construction machinery and forging machines. Their whole outer ring structure provides stability under heavy loads, while the non self-lubricating design allows for flexibility in lubrication—either grease or oil—depending on your equipment’s specific maintenance protocols. The 6×21×9mm specification, combined with precision ratings from P0 to P2, ensures reliable performance even in applications with tight tolerance requirements. Ingenieurdaten, die die Langlebigkeit beeinflussen
The bearing steel material delivers the hardness needed to resist wear, critical for components like automobile shock absorbers where repeated motion can cause premature failure. The vibration grades Z1V1 to Z3V3 allow customization based on noise and smoothness requirements, ensuring the bearing integrates seamlessly into your system. Precision rating options matter too: while P0 suits general applications, P2级 bearings provide tighter tolerances for high-precision automation equipment, reducing vibration and extending service life. Warum die Lagerqualität die Gesamtkosten beeinflusst
Choosing a low-quality bearing may save upfront costs, but the hidden expenses add up quickly. Bearings with subpar material hardness often fail early, leading to equipment downtime, replacement parts, and labor costs. In contrast, our bearings undergo rigorous testing—from raw material inspection to成品尺寸 verification—to ensure they meet load and precision standards. This attention to quality reduces the risk of unplanned maintenance, making them a cost-effective choice for long-term operations in sectors like water conservancy machinery and construction. Qualität, die Sie selbst überprüfen können
Our commitment to reliability is built on transparent processes: ISO 9001 certification covers every stage of production, from material selection to final inspection. We provide a质保期 for manufacturing defects, and our technical team can assist with verifying dimensions or material specifications to ensure compliance with your requirements. Whether you need a standard NTN model or a custom OEM solution, we source and produce bearings that meet international standards, giving you confidence in their performance. Fordern Sie ein Angebot für Ihre Lagerbedürfnisse an
Whether you’re looking for NTN N2328em, NJ2328em, or other cylindrical roller bearings, we can provide pricing and availability quickly. Share your required model, dimensions, or application details, and our team will confirm compatibility and lead times. With access to a wide range of brands and specifications, we simplify the sourcing process so you can focus on your project. Häufig gestellte Fragen
F: Führen Sie neben Ihrer eigenen Marke auch Lager anderer Hersteller?
A: Yes, we offer bearings from international brands like NTN, SKF, NSK, Koyo, and domestic优质 brands, as well as our own. We can source specific models 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 (d x D x B), and our technical team will cross-verify with the specifications to ensure compatibility. F: Wie lauten Ihre Garantiebedingungen?
A: We provide a质保期 against manufacturing defects. Specific terms are outlined in the sales contract, and defective products can be replaced or returned within the warranty period. F: Wie hoch ist die Mindestbestellmenge?
A: We support low minimum order quantities, including small batches for testing or urgent replacements, as well as large-volume orders for production. F: Wie lange dauert der Versand?
A: In-stock items are dispatched within 1-2 business days. Shipping time depends on the method: Express (3-7 days), Air (5-10 days), or Sea (30-45 days) to most destinations. Q: Do you offer custom (OEM/ODM) bearings? A: Yes, we provide OEM and ODM services. Share your drawings, material requirements, or performance specifications, and we can produce bearings tailored to your needs. Ready to order or need a quote?
SIL6E, SILKAC6M, SILKB6F
Engineering Hydraulic Cylinder, Forging Machine, Construction Machinery, Automation Equipment, Automobile Shock Absorber, Water Conservancy Machinery
6×21×9mm
Heavy Machinery
Forging press components, water conservancy equipment
Looking for Reliable Cylindrical Roller Bearings? Here’s What Matters
Packaging & Shipping
Send the bearing model, dimensions (d x D x B), and quantity —
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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.
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Regarding: NTN N2328em NJ2328em Japan High Precision Cylindrical Roller Bearings
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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.