





FAG 22320-E1-K-C4 Spherical Roller Bearing Genuine Supplier
FAGFAG 22320-E1-K-C4 Spherical Roller Bearing with C4 Clearance
- Features a 1:12 tapered bore for secure adapter sleeve mounting and C4 radial internal clearance to accommodate extreme thermal expansion.
- Double row self-aligning structure effectively compensates for shaft misalignment in heavy-duty vibrating screens and crushers.
- We guarantee precise cross-reference alignment for clearance, cage material, and precision class to ensure exact fitment for your machinery.
- Quoted by Complete ModelHandled against the full FAG designation.
- Authorized FAG SupplierSourced through authorized channels.
- Written QuotationPrice, availability, lead time and validity.
- Product DocumentsConfirmed for each order.
Product Description
Official App QR Verification — Every unit we dispatch includes a scannable QR code linked directly to the manufacturer's authenticity database.
Technical Specifications
| Parameter | Value |
|---|---|
| Designation | 22320-E1-K-C4 |
| Bearing Type | Spherical Roller Bearing |
| Bore Type | 1:12 Tapered Bore |
| Clearance Class | C4 Radial Internal Clearance |
| Arrangement | Double Row |
| Material | Chrome Steel Gcr15 |
| Cage Material | Available in Steel, Brass, or Nylon variants |
| Precision Class | Available in P0, P2, P4, P5, or P6 |
| Origin | Jiangsu, China |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Mining & Aggregate | Vibrating screen eccentric shafts and jaw crusher toggle plates |
| Metallurgy | Steel mill continuous caster roll segments and rolling mill gearboxes |
| Pulp & Paper | Paper machine dryer cylinder bearings and felt roll journals |
Why Flame Heating Destroys the FAG 22320-E1-K-C4 spherical roller bearing Before It Even Spins
Direct torch application alters the metallurgical structure, causing premature spalling under heavy radial loads.
Early in my career at a steel mill in Foshan, I watched maintenance crews use open flames to force-fit heavy-duty bearings onto shafts. The intense localized heat completely ruined the carefully engineered microstructure of the rings, dropping the hardness well below specification. A compromised microstructure cannot withstand the Hertzian contact stresses generated by heavy radial loads. Months later, those exact units suffered catastrophic raceway spalling, halting the entire continuous casting production line. Ignoring proper mounting protocols for heavy-duty components leads to unplanned downtime that far exceeds the cost of the right induction tools. Procurement engineers must recognize that thermal damage during installation is a primary driver of early field failures.
Aligning the Tapered Bore with Heavy-Duty Mounting Requirements
The 1:12 tapered bore allows for precise interference fits on adapter sleeves, which is absolutely critical for vibrating screens experiencing severe oscillating loads and shock impacts. When sourcing the FAG 22320-E1-K-C4 spherical roller bearing, our engineering team ensures the accompanying lock nuts, tab washers, and sleeves match the exact shaft dimensions. This meticulous matching prevents the inner ring from creeping on the shaft during high-vibration operations, a common failure point in aggregate processing plants. Proper drive-up procedures ensure the clamping force is evenly distributed across the tapered interface.
Navigating Thermal Expansion and Misalignment in Crushing Environments
Crushers and vibrating screens generate immense shock loads and significant frictional heat, demanding a bearing that can accommodate both shaft deflection and thermal growth simultaneously. The C4 clearance provides the necessary internal room for the rings to expand without inducing destructive preload when the operating temperature rises during continuous shifts. Furthermore, the double-row self-aligning design automatically compensates for housing misalignment, protecting the rolling elements from edge-loading stress. Proper lubrication intervals with high-viscosity grease are equally vital to maintain the protective elastohydrodynamic film under these extreme conditions, preventing metal-to-metal contact in the load zone.
Decoding the Suffixes for Optimal Performance and Longevity
The K suffix dictates the 1:12 tapered bore, requiring precise drive-up measurements during installation to achieve the correct residual clearance. The C4 designation indicates a radial internal clearance larger than standard, specifically engineered to absorb the thermal expansion typical in hot-running vibrating equipment. While the E1 suffix appears in the designation, it requires manufacturer catalog confirmation to verify its exact internal design modification or roller profile enhancement. Selecting the appropriate cage material—whether steel, brass, or nylon—depends heavily on the specific vibration frequency and lubrication method of your machinery, as brass offers superior resistance to high-frequency accelerations.
The Financial Impact of Ignoring Clearance and Bore Specifications
Installing a standard clearance bearing in a high-heat vibrating screen quickly eliminates internal play, leading to severe overheating, cage fracture, and eventual seizure. Similarly, mismatching the tapered bore with an incorrect adapter sleeve causes micro-movements that fret the shaft surface, requiring expensive machining repairs. These installation and selection errors result in catastrophic damage to the housing and unplanned downtime that disrupts the entire processing circuit. The true cost of a mismatched component includes lost production revenue and collateral damage to adjacent drivetrain elements.
Securing Traceability and Technical Accuracy for Your Global Fleet
We verify every FAG 22320-E1-K-C4 spherical roller bearing through official traceability documentation, ensuring you receive genuine components rather than counterfeit substitutes that plague the heavy machinery market. Our technical team cross-references the exact suffix combinations to prevent the common mistake of supplying standard bore units when tapered ones are specified. We maintain flexible inventory levels to support both single-unit emergency replacements and full-container project shipments across multiple international job sites. Additionally, our engineers provide detailed mounting guidance to ensure the C4 clearance is correctly maintained during the drive-up procedure, extending the operational lifespan of your critical equipment. Our consolidation services allow you to mix this specific spherical roller bearing with other maintenance items in a single shipment, optimizing your freight costs.
Documentation & Authenticity
- Official QR code verification linking directly to the manufacturer's authenticity database
- Original batch traceability documents confirming the production facility and date
- Material inspection reports validating the Chrome Steel Gcr15 metallurgical composition
- Dimensional and running accuracy certificates verifying the specified precision class
- Certificate of Conformity detailing the exact C4 clearance and K bore specifications
Storage, Handling & Mounting
- Store the tapered bore units in original packaging to protect the K-suffix machined surface from humidity
- Use induction heaters instead of open flames to preserve the Chrome Steel Gcr15 microstructure during mounting
- Measure the drive-up distance precisely to maintain the specified C4 residual clearance after locking
- Keep brass cage variants separated from steel cage options to avoid accidental misapplication in high-vibration screens
- Apply clean gloves when handling to prevent fingerprint corrosion on the precision-ground outer ring
Preparing Your Technical Parameters for Exact Model Verification
To ensure the selected unit perfectly matches your vibrating screen or crusher, please provide the specific radial and axial loads, operating speeds, and ambient temperatures. Sharing the original equipment manufacturer part numbers allows our team to perform a thorough cross-reference check against alternative premium brands if lead times require it. We will then calculate the required drive-up distance and recommend the optimal adapter sleeve and lock nut combination for your specific shaft geometry, ensuring a flawless integration into your maintenance schedule.
Frequently Asked Questions
Q: How can I verify the authenticity of the FAG 22320-E1-K-C4 spherical roller bearing?
A: You can verify authenticity by scanning the official QR code on the packaging using the manufacturer's mobile application. This links directly to their database, confirming the production batch and origin. We also provide original traceability documentation and material certificates with every shipment to guarantee you receive genuine components.
Q: What does the C4 clearance mean compared to standard CN clearance?
A: The C4 designation indicates a radial internal clearance that is significantly larger than the standard CN class. This extra internal space is crucial for applications like vibrating screens where frictional heat causes the inner ring to expand. Without this thermal allowance, the bearing would seize under heavy operational loads.
Q: What are the best installation practices for the 1:12 tapered bore?
A: For the K suffix tapered bore, always use an induction heater rather than an open flame to avoid destroying the steel's microstructure. Measure the drive-up distance or reduction in radial clearance precisely during mounting. This ensures the correct interference fit on the adapter sleeve while preserving the required C4 residual clearance.
Q: How do I select the right cage material for vibrating screen applications?
A: Vibrating screens impose high accelerations on the bearing internals. A machined brass cage is often preferred for its durability and resistance to high-frequency vibrations, while pressed steel cages suit standard operations. Provide your specific vibration frequency and lubrication method, and our engineers will recommend the optimal cage material for your equipment.
For maintenance and shutdown teams
Confirm These Details When You Enquire About This Model
Four details keep a heavy-bearing enquiry complete: the specified execution, the mounting parts, the quantity for this position and the shutdown date.
-
Vibration or Temperature Specification
State the specification named for the duty, so the quote matches the working condition.
-
Housings and Sleeves
List the housing, adapter sleeve or withdrawal sleeve with the bearing, so the assembly is complete.
-
Quantity for This Position
Give each bearing position its own line and quantity, instead of one combined total.
-
Shutdown Date
Share the shutdown date and required arrival date, so availability and lead time are checked against your plan.
Related FAG Bearings
These FAG bearings come from the same product group. Compare them when you are building a list for the same equipment.
Angular Contact Ball Bearings FAG 3206-Bd-XL-Tvh-C3 Double Row Angular Contact Ball Bearing Genuine Supplier
Angular Contact Ball Bearings FAG 3307-Bd-XL-2z-Tvh-C3 Double Row Angular Contact Ball Bearing
Angular Contact Ball Bearings FAG 3210b. Tvh. P63 Double Row Angular Contact Ball Bearing for Auto Parts
Angular Contact Ball Bearings FAG 3211 Double-Row Angular Contact Ball Bearing for Car Hubs & Machine Tools Where This Bearing Is Used
These applications match this FAG bearing. Open one to see the related bearing types for that equipment.
Selection and Technical Guides
These guides cover bearing selection and identification topics related to this product, for engineers checking the working condition.
News & Cases Oct 3, 2026 Heavy Industry Bearing Outlook 2026: Global Wholesale Supplier Heavy Industry Bearing Outlook 2026 shifts sourcing focus from unit cost to total landed cost and supply chain resilience. Discover how moisture-proof packaging, precise…
Technical Resources Oct 3, 2026 FAG Industrial Bearing Glossary: Wholesale Supplier & Bulk for Sale Master the FAG Industrial Bearing Glossary to prevent catastrophic mismatches caused by misinterpreted suffixes in harsh environments. Accurate decoding of seal compatibility and clearance…
Installation & Maintenance Oct 3, 2026 FAG Bearing Damage Patterns: Field Guide for Industrial MRO Wholesale Supplier Master FAG bearing damage patterns to distinguish installation errors from manufacturing defects and prevent unnecessary warranty claims. Identify root causes like brinelling from hammer… Frequently Asked Questions
Most questions on this FAG bearing come down to the complete model, substitutes, mounting parts and product documents.
How do I confirm the complete FAG model for this bearing?
Send the complete FAG model, including any vibration or temperature specification named for the duty. If the marking is worn or the record is incomplete, attach clear photos of the bearing marking and say what still needs confirming. Identification gaps are resolved before you accept the quote.
Can a substitute be considered for this bearing?
Yes, if you state that a substitute can be considered. Any substitute is identified separately from the requested model. Technical changes require buyer approval.
Which mounting parts should accompany a heavy-bearing request?
List the housings, adapter sleeves and withdrawal sleeves that belong to each bearing position. They can be requested with the bearing in one enquiry. This keeps mill and crusher overhaul lists complete across every position.
Which product documents are available with this bearing?
Product documents are confirmed for each order at the quotation stage. Name the documents you need in your enquiry. Shipping documents for the order are confirmed together with the transport method and shipping arrangements.
How we pack and ship your order
Export packing
Packed for international transport. Tell us if you need custom labels, marks or packing.
Shipping to you
Tell us your port or delivery address and we will quote the freight and lead time for your order.
Shipping documents
Commercial invoice and packing list come with every shipment; ask us for any other documents your customs needs.
What our customers say
“Our heavy industrial machinery shop uses FAG spherical and cylindrical roller bearings for crushers, mills and large drives. This supplier confirms the load rating and clearance class, and every bearing arrives with the correct Schaeffler packaging.”
“We had a large FAG spherical roller bearing fail on a cement mill. The supplier identified the correct FAG reference, shipped within 24 hours, and the mill was back in service within a week. That kind of response saves real money in downtime.”
“What we value is their understanding of heavy-duty bearing arrangements. They asked about the load direction, misalignment and lubrication before confirming the FAG reference. On one order, they suggested a higher-capacity series that matched our duty better.”
Written quotation
Request a Written Quote for FAG 22320-E1-K-C4 Spherical Roller Bearing Genuine Supplier
Your next step is simple: Heavy Industrial Machinery Company confirms the exact specification and complete assembly with you, then issues a written quote covering model, quantity, price and currency, availability, expected lead time and validity.

