Spherical Plain Bearing
21304-21308 Spherical Roller Bearing High Capacity Low Friction
ISO 9001 TS 16949
Genuine SKF
50+ Countries
24h Response

-- SKF Authorized Engineering Partner

21304-21308 Spherical Roller Bearing High Capacity Low Friction

Boost your machinery's performance with our high-capacity, low-friction Spherical Roller Bearing, designed to minimize downtime and maximize efficiency in demanding applications like engineering hydraulic cylinders and construction machinery. Crafted from premium bearing steel with a whole outer ring structure, this bearing delivers reliable radial load handling and smooth operation even under heavy stress.

  • Precision ratings from P0 to P2 ensure consistent performance across industrial needs
  • Grease or oil lubrication flexibility adapts to your maintenance preferences
  • Rich stock availability means quick delivery—get back to work faster with 100% on-time shipping
  • 5mm thickness and 20*54*16mm specification tailored for seamless integration into forging machines and automation equipment

Technical Specifications
Product Name
21304-21308 Spherical Roller Bearing High Capacity Low Friction
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

Modellnummer

Lagerart

Radiales sphärisches Gleitlager

Material

Lagerstahl

Abmessungen

Dicke

Schmierart

Fett oder Öl

Außenstruktur

Gesamter Außenring

Präzisionsbewertung

P0, P6, P5, P4, P2

Vibration

,

,

Lagerbestand

Reiche Bestände

Service

OEM, ODM

SIL20C, SIL20ES, SIL20TXE-2LS
20*54*16mm
5mm
Add Lubricant Non Self-lubricating

Anwendungsgeeignetheit

Industrie

Typische Anwendungen

Baumaschinen

Gelenkpunkte des Hydraulikzylinders

Automatisierungstechnik

Automobil

Technik

Wasserschutz

Robotic arm pivot joints
Shock absorber linkages
Forging machine hinge connections
Gate control mechanisms

Need Reliable Spherical Roller Bearings? Here’s What Prevents Equipment Downtime

Many buyers face the frustration of bearings failing prematurely due to mismatched dimensions or poor material quality. When a 21304-21308 series spherical roller bearing isn’t precision-engineered, it can cause excessive vibration in hydraulic cylinders or lead to costly replacements in construction machinery.

21304-21308 Spherical Roller Bearings: Built for Heavy Loads and Low Friction

Our high-capacity spherical roller bearings address these challenges with ISO 9001-certified manufacturing processes and strict quality control. Designed for radial loads in demanding applications like engineering hydraulic cylinders and automation equipment, these bearings feature low friction properties that reduce energy consumption while handling the rigors of forging machines and construction machinery.

Optimal Performance in Dynamic Operating Conditions

This bearing series excels in applications requiring angular misalignment compensation, such as conveyor systems and automobile shock absorbers. With a precision rating range from P0 to P2, it maintains stability under varying loads and speeds, making it suitable for both static and dynamic operating environments common in water conservancy machinery.

Wichtige technische Merkmale für eine lange Lebensdauer

The bearing steel construction ensures high surface hardness and wear resistance, critical for withstanding the abrasive conditions of mining and construction equipment. Its whole outer ring design provides structural integrity during heavy radial loading, while the non self-lubricating design allows flexibility in lubrication selection—use grease for low-maintenance applications or oil for high-speed operations. The 20*54*16mm dimension specification ensures compatibility with standard mounting configurations, simplifying replacement and reducing downtime.

Warum die richtige Lagerauswahl die Gesamtbetriebskosten senkt

Choosing the right spherical roller bearing directly impacts equipment reliability and maintenance costs. A bearing with insufficient load capacity or improper precision class can lead to premature failure, resulting in unplanned downtime and replacement expenses. Our 21304-21308 series is engineered to meet the demands of multiple industries, from hydraulic systems to construction machinery, helping you avoid the hidden costs of frequent replacements and repairs.

Quality You Can Trust: From Raw Material to Delivery

Every bearing undergoes rigorous inspection, including dimensional accuracy checks and hardness testing, before leaving our facility. We maintain rich stocks for quick delivery and support both OEM and ODM requirements. Our commitment to quality is backed by a warranty against manufacturing defects, ensuring you receive bearings that perform as expected in your critical applications.

Packaging & Shipping

    Verpackt in Kartons mit Palettenoptionen für Großbestellungen

  • Available from stock for prompt shipment
  • Flexible delivery options: express, road, train, air, or sea freight
  • Low minimum order quantities to support both small and large scale requirements

Holen Sie sich noch heute Ihr Angebot für Kugelrollenlager

Whether you need the 21304-21308 series or other bearing types, we provide comprehensive sourcing solutions. Contact us with your specific model, dimensions, and quantity requirements, and our technical team will assist in confirming compatibility and delivering competitive pricing.

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 dimensions (d x D x B) or model number, and our technical team will verify compatibility.

F: Wie lauten Ihre Garantiebedingungen?

A: We offer a warranty against manufacturing defects; specific terms are detailed in our supply contract.

F: Wie hoch ist die Mindestbestellmenge?

A: Wir akzeptieren geringe Mindestbestellmengen, einschließlich kleiner Probebestellungen, um Ihren Bedürfnissen gerecht zu werden.

F: Wie lange dauert der Versand?

A: In-stock items ship immediately; delivery time depends on your location and chosen transport method (express, air, sea, etc.).

Q: Can you produce custom bearings?

A: Yes, we support OEM and ODM services for custom bearing production based on 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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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: 21304-21308 Spherical Roller Bearing High Capacity Low Friction

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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.