Product details
Description and application notes
Original Batch Traceability — Every genuine bearing ships with factory lot documentation to verify its production origin and metallurgical integrity.
Technical Specifications
| Parameter | Value |
|---|---|
| Designation | FAG 22313-E1-XL-K |
| Bearing Type | Spherical Roller Bearing |
| Arrangement | Double Row, Self-Aligning |
| Bore Type | 1:12 Tapered Bore |
| Material | Chrome Steel Gcr15 |
| Cage Material | Steel Cage / Brass Cage / Nylon Cage (Options) |
| Precision Class | P0 / P6 / P5 / P4 / P2 (Options) |
Note: E1 and XL suffixes require manufacturer catalog confirmation for specific internal design and X-life performance attributes.
Application Suitability
| Industry | Typical Applications |
|---|---|
| Mining & Aggregates | Vibrating screens, jaw crushers, cone crushers |
| Pulp & Paper | Paper machine dryer cylinders, press rolls |
| Metals & Steel | Steel mill roll necks, continuous casting equipment |
Why Vibrating Screen Bearings Fail Before the Steel Yields
Misaligned shafts and high-frequency vibrations destroy standard cages long before the outer ring spalls.
In Middle Eastern quarries, I have seen entire screening lines shut down because a standard cage design was substituted for a vibration-specific variant under extreme heat. The FAG 22313-E1-XL-K spherical roller bearing accommodates heavy radial loads and shaft deflection, but ignoring the specific cage material and clearance requirements for high-vibration environments leads to catastrophic fatigue.
Matching the Tapered Bore to Heavy-Duty Screening Equipment
Securing this component onto an adapter sleeve ensures a tight interference fit on the shaft, which is critical for vibrating screens experiencing severe shock loads. Our engineering team cross-references your specific equipment OEM requirements to confirm the correct sleeve and lock nut combination, preventing axial creep during continuous operation.
Managing Thermal Expansion and Contamination in Crushers
Crusher environments generate intense localized heat and abrasive dust ingress. The 1:12 tapered bore allows for precise radial internal clearance adjustment during mounting, compensating for thermal expansion when the shaft reaches elevated temperatures. Proper sealing arrangements and external lubrication intervals are mandatory to flush out particulate contamination and maintain the hydrodynamic oil film.
Decoding the K Suffix and Internal Geometry Options
The K suffix explicitly dictates a 1:12 tapered bore, requiring matching tapered shafts or adapter sleeves for secure mounting. The double-row self-aligning structure tolerates angular misalignment caused by structural deflection in heavy machinery. While the internal geometry and performance enhancements are indicated by specific suffixes, selecting the appropriate cage material—whether stamped steel for standard speeds, machined brass for high vibrations, or polyamide for quieter operation—dictates the operational envelope of the FAG 22313-E1-XL-K spherical roller bearing.
The Hidden Financial Drain of Incorrect Clearance Selection
Specifying standard clearance instead of a larger internal clearance class for high-temperature vibrating applications causes the bearing to bind under thermal growth. This preload condition accelerates roller skidding and cage rupture, resulting in unplanned downtime and secondary damage to the housing and shaft. Adhering to failure analysis protocols reveals that a significant share of premature failures stems directly from ignoring thermal expansion during the initial clearance specification.
Securing Authentic Components for Critical Path Machinery
Counterfeit bearings frequently fail within weeks in high-vibration screens. We supply genuine FAG 22313-E1-XL-K spherical roller bearing units with complete factory batch traceability, ensuring the metallurgical integrity matches the original equipment specifications. Our technical team verifies the exact suffix configuration against your application data, preventing the costly mistake of installing a standard industrial variant where a vibration-specific design is mandatory.
Documentation & Authenticity
- Factory batch traceability documents confirming the original production date and Chrome Steel Gcr15 heat treatment lot.
- Official manufacturer app QR verification for immediate authenticity validation of the double-row self-aligning bearing upon delivery.
- Material certification reports verifying the chemical composition of the Gcr15 rings and rolling elements.
- Dimensional inspection reports confirming the 1:12 tapered bore tolerances and running accuracy before dispatch.
Storage, Handling & Mounting
- Store the unit in its original packaging to protect the Chrome Steel Gcr15 material from humidity degradation before installation.
- Use induction heaters with precise temperature control when mounting the tapered bore inner ring to avoid annealing the steel.
- Measure the radial internal clearance reduction continuously during the lock nut tightening process to achieve the specified residual clearance.
- Apply clean lint-free gloves when handling the exposed double-row roller assemblies to prevent acidic skin contact from initiating surface corrosion.
Preparing Your Technical Data for Procurement Review
To ensure precise model validation, please provide the exact radial and axial load profiles, operational speeds, and expected shaft temperatures for your vibrating screen or crusher. Supplying the original equipment manufacturer part numbers allows our engineering team to cross-reference the required adapter sleeve dimensions and confirm the optimal internal clearance class for your specific application.
Frequently Asked Questions
Q: What does the K suffix indicate on this spherical roller bearing?
A: The K suffix designates a 1:12 tapered bore, meaning the inner ring is engineered to mount securely on a tapered shaft or a standard adapter sleeve. This configuration provides a rigid interference fit necessary for heavy-duty vibrating equipment, allowing precise adjustment of the radial internal clearance during installation to accommodate thermal expansion.
Q: How do I verify the authenticity of the delivered bearings?
A: Every unit ships with original factory batch traceability documentation and a unique QR code compatible with the official manufacturer verification application. Scanning this code confirms the production facility, heat treatment lot, and dimensional inspection records, ensuring the delivered unit meets the stringent metallurgical standards required for mining and aggregate applications.
Q: Which cage material is recommended for high-vibration screens?
A: For vibrating screens and crushers subjected to severe shock loads and high-frequency oscillations, a machined brass cage is typically specified due to its superior fatigue resistance and structural rigidity. Our technical team evaluates your specific vibration amplitude and operating temperature to recommend the exact cage variant, preventing the premature cage fracture often seen with standard stamped steel alternatives.
Q: What information is needed to cross-reference an existing bearing?
A: Please provide the complete designation from the existing bearing nameplate, including all suffixes, along with the equipment OEM model number. This allows us to verify the bore type, internal clearance class, and cage material. We then cross-reference these parameters to supply the exact replacement or identify the correct vibration-specific equivalent if a substitution is required.
