-- SKF Authorized Engineering Partner
21320 21321 21322 Spherical Roller Bearing High Capacity Low Friction
Boost your machinery’s efficiency with the 21320 21321 21322 Spherical Roller Bearing—designed to deliver high capacity and low friction for smoother operation and extended equipment life. Crafted from premium bearing steel, this spherical roller bearing handles radial loads effortlessly, making it ideal for heavy-duty applications like engineering hydraulic cylinders and construction machinery.
- Precision ratings from P0 to P2 ensure consistent performance in demanding environments
- Non self-lubricating design allows flexibility with grease or oil, adapting to your maintenance routine
- Rich stock availability means fast delivery, minimizing downtime for your operations
- Product Name
- 21320 21321 21322 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
Material
Lagerstahl
Schmierart
Außenstruktur
Gesamter Außenring
Dicke
Technische Daten
Präzisionsbewertung
P0, P6, P5, P4, P2
Vibration
, Fetttechnologie
Hoch
Anwendungsgeeignetheit
Industrie
Typische Anwendungen
Baumaschinen
Gelenkpunkte des Hydraulikzylinders
Automatisierungstechnik
Technik
Automobilindustrie
Wasserschutz
Finding the right spherical roller bearing for your equipment can be frustrating. Mismatched dimensions lead to installation delays, non-lubricated designs require constant maintenance, and limited supplier options force you to juggle multiple quotes. These issues don’t just waste time—they risk unplanned downtime when bearings fail prematurely. Our 21320, 21321, 21322 spherical roller bearings address these challenges with high-capacity design and low friction operation. As a professional bearing supplier with rich stocks and ISO 9001-certified production processes, we ensure you get the right part when you need it. Whether for engineering hydraulic cylinders, construction machinery, or automation equipment, these bearings deliver consistent performance under radial loads. These spherical roller bearings excel in applications requiring smooth rotation and load distribution. With a non-self-lubricating design compatible with grease or oil, they perform best in environments where regular maintenance is feasible. The whole outer ring structure provides stability, while precision ratings from P0 to P2 accommodate everything from general industrial use to high-precision automation systems. The bearing steel construction ensures high surface hardness and wear resistance, critical for withstanding the demands of forging machines and construction equipment. At 22*55*28mm, the dimensions follow international standards, ensuring interchangeability with major brands. The 5mm thickness balances load capacity with space constraints, making it suitable for compact hydraulic cylinder applications. Vibration grades Z1V1 to Z3V3 allow selection based on noise and smoothness requirements, from general machinery to precision automation. Warum die Wahl des richtigen Lagers die Gesamtkosten senkt
Investing in quality bearings reduces long-term expenses. A bearing that meets precision standards (P0-P2) minimizes vibration, preventing premature wear on adjacent components. Proper lubrication compatibility (grease or oil) ensures optimal friction levels, extending service life in engineering hydraulic cylinders. While cheaper alternatives may save upfront, their lower material quality and imprecise dimensions often lead to early failure, causing costly production halts and replacement labor. Qualität, auf die Sie sich verlassen können
Our production follows ISO 9001 standards, with rigorous testing for material hardness, dimensional accuracy, and surface finish. Every bearing undergoes inspection before shipping, and we provide a warranty against manufacturing defects. With a 100% on-time delivery rate and response time under 0.5 hours, we ensure your operations stay on schedule. Whether you need standard models or custom specifications, our OEM/ODM capabilities meet diverse application requirements. Sicher verpackt in Kartons mit Palettenoptionen für Großbestellungen
Niedrige Mindestbestellmenge für kleine und große Einkäufe unterstützt
Holen Sie sich noch heute Ihr Angebot für Kugelrollenlager
Ready to secure reliable bearings for your equipment? Provide the model number, required quantity, and delivery location, and we’ll promptly send pricing and lead time details. With our extensive inventory and full brand coverage, we can also source any additional bearing types you may need—no need to manage multiple suppliers. Häufig gestellte Fragen
Q: Do you supply bearings from other brands? A: Yes, we offer full brand coverage including international and domestic options. We can source bearings according to your specified brand or model requirements. F: Wie kann ich überprüfen, ob dieses Lager zu meinem Gerät passt?
A: Provide your equipment’s required dimensions (d x D x B) or existing bearing model, and our technical team will verify compatibility with the 21320/21321/21322 specifications. F: Wie lauten Ihre Garantiebedingungen?
A: We provide a warranty against manufacturing defects. Specific terms are detailed in our 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 batch purchases, to accommodate both trial runs and large-scale production needs. F: Wie lange dauert der Versand?
A: In-stock bearings ship immediately. Delivery time depends on the chosen method: express (1-3 days), air (3-7 days), sea (2-6 weeks), or road/train for regional shipments. Q: Can you produce custom bearings? A: Yes, we offer OEM/ODM services. Provide your technical drawings or specifications, and we can manufacture bearings tailored to your application. Ready to order or need a quote?
SIR20ES, SIKAC22M, SIKB22F
Radial Spherical Plain Bearing, Rod End
Non Self-lubricating (Grease or Oil)
5mm
22*55*28mm
Linear actuator pivot joints
Forging machine linkages
Shock absorber mounting brackets
Machinery pivot connections
Need Reliable Spherical Roller Bearings? Solving Your Sourcing Headaches
Built for Heavy-Duty Performance You Can Trust
Optimal Conditions for Maximum Bearing Life
Engineering Features That Impact Performance
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
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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.
Authorized SKF Engineering Partner
Official partner since 1998 with direct access to SKF technical resources, genuine products, and engineering expertise.
15+ Certified Engineers On-Staff
In-house team provides application design, failure analysis, and predictive maintenance -- reducing bearing failures by 35%.
ISO 9001 & TS 16949 Certified QC
Every product undergoes rigorous pre-shipment inspection with full documentation for traceability and compliance.
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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SKF Authorized Engineering Partner
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