Product Details
About This INA Bearing
Mixed-Brand Sourcing Covered — Consolidate FAG spherical roller bearings with other premium lines in a single shipment without juggling multiple vendors.
Technical Specifications
| Parameter | Value |
|---|---|
| Designation | FAG 22260-MB 22264-K-MB-C3 22264-MB |
| Bearing Type | Spherical Roller Bearing |
| Bore Type | Cylindrical and 1:12 Tapered (K suffix) |
| Cage Material | Brass inner-ring guided (MB suffix) |
| Clearance Class | C3 radial internal clearance |
| Arrangement | Double Row, Self-Aligning |
| Material | Chrome Steel Gcr15 |
| Precision Class | P0, P2, P4, P5, P6 (available options) |
| Origin | Jiangsu China |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Mining & Aggregates | Vibrating screen eccentric shafts, jaw crusher toggle plates |
| Metallurgy | Steel mill continuous casting rolls, rolling mill gearboxes |
| Pulp & Paper | Paper machine dryer cylinder bearings |
| Heavy Machinery | Rotary kiln support rollers |
Why Ignoring Clearance Suffixes Destroys Heavy-Duty Crushers
Thermal expansion in high-heat environments demands exact clearance matching to prevent catastrophic seizure.
I witnessed an entire cement production line halt because a standard clearance bearing was installed where a C3 was mandatory. The heat buildup caused immediate expansion and locked the shaft solid. When sourcing a FAG 22264-K-MB-C3 spherical roller bearing, verifying the internal clearance is not optional; it dictates whether the equipment survives the first shift. Ignoring these critical suffix details inevitably leads to severe mechanical binding and extensive secondary damage to the surrounding housing, shaft components, and drive motors.
Matching Brass Cages to High-Vibration Screening Decks
Vibrating screens subject bearings to intense oscillating loads that quickly fatigue standard stamped steel cages. The MB brass inner-ring guided cage in this FAG 22264-K-MB-C3 spherical roller bearing absorbs these continuous shocks while maintaining precise roller alignment under extreme dynamic forces. Our technical team cross-references your specific screen amplitude and frequency to ensure the cage material perfectly matches the vibratory forces. This targeted selection process prevents premature cage fracture and keeps the screening circuit running continuously without unexpected mechanical interruptions or secondary damage to the drive motor.
Navigating Misalignment and Contamination in Steel Mills
Steel mill equipment constantly battles heavy radial loads combined with severe shaft misalignment caused by structural deflection and thermal growth. The self-aligning double-row design compensates for these housing inaccuracies without edge-loading the rollers or generating excessive internal friction. High ambient temperatures also degrade standard lubricants rapidly, necessitating precise re-lubrication intervals through external grease lines to flush out contaminants. Proper installation of the 1:12 tapered bore requires exact drive-up measurements to achieve the correct residual clearance, ensuring the bearing operates reliably in harsh metallurgical environments.
Decoding the MB, K, and C3 Suffixes
The MB suffix indicates a machined brass cage guided on the inner ring, providing superior stability under heavy radial loads compared to window-type steel cages. The K designation specifies a 1:12 tapered bore, which allows for precise radial clearance adjustment during mounting on a tapered journal or adapter sleeve. Selecting the C3 clearance class for the FAG 22264-K-MB-C3 spherical roller bearing is critical for applications experiencing elevated temperatures, as it provides the necessary thermal expansion room that a standard CN clearance lacks. Understanding these specific engineering suffixes ensures the bearing operates within its designed geometric boundaries. Furthermore, matching the correct precision class from the available options guarantees the required rotational accuracy for your specific gearbox or vibrating mechanism.
The Financial Impact of Incorrect Suffix Selection
Installing a FAG 22264-K-MB-C3 spherical roller bearing with the wrong internal clearance or cage type inevitably leads to premature failure and extensive unplanned downtime. A seized bearing on a critical crusher can halt an entire processing circuit, causing massive revenue loss and delaying project schedules. According to established failure mode classifications, improper clearance selection is a primary root cause of early fatigue, smearing, and catastrophic cage collapse. These hidden operational costs far exceed the initial procurement savings of an incorrectly specified part. Relying on verified engineering data prevents these costly mistakes and ensures long-term asset reliability.
Securing Authentic Traceability for Critical Rotating Equipment
We maintain massive spot inventory covering thousands of standard and special part numbers, ensuring urgent maintenance requirements for MB brass cage bearings are met immediately. Our sourcing channels provide genuine original bearings with complete traceability documentation, eliminating the risk of counterfeit parts entering your heavy-duty machinery. We offer flexible MOQs, ranging from single-unit emergency spares to full container consolidation for major project overhauls. Our engineers provide cross-brand equivalent model consultation if an exact match requires extended lead time. Every shipment includes rigorous inspection services to verify dimensional accuracy before dispatch, giving you absolute confidence in the installed components and long-term performance of your rotating assets.
Documentation & Authenticity
- Original manufacturer batch traceability confirming the exact production run of the MB brass cage components.
- Official app QR verification codes to authenticate the C3 clearance and tapered bore specifications.
- Material certificates validating Chrome Steel Gcr15 compliance for high-load crushing applications.
- Dimensional inspection reports verifying the 1:12 taper angle and bore diameter tolerances.
- Certificate of Conformity matching the specific part numbers to your purchase order.
Storage, Handling & Mounting
- Keep the original packaging sealed until mounting to protect the precision-machined brass cage from ambient moisture.
- Use induction heating for cylindrical bore variants, strictly monitoring temperature to preserve the C3 internal clearance.
- For the 1:12 tapered bore, measure the axial drive-up distance accurately to achieve the specified residual clearance.
- Apply clean lint-free gloves when handling to prevent corrosive sweat from compromising the Chrome Steel Gcr15 raceways.
- Ensure the self-aligning outer ring is free to rotate in the housing during installation to prevent binding.
Preparing Your Technical Parameters for Selection Review
Share your specific operating parameters, including radial and axial loads, operating speeds, and ambient temperatures, so our engineering team can verify the L10 life calculation accurately. Provide the OEM equipment model numbers to allow us to perform precise cross-reference checks against equivalent models and confirm dimensional interchangeability. Detailing the installation space constraints and environmental exposure helps us confirm if the MB cage and C3 clearance are the optimal configuration for your specific application. Supplying this comprehensive technical data enables us to deliver a fully validated bearing solution that meets your exact operational demands and prevents costly field modifications.
Frequently Asked Questions
Q: How to choose between CN, C3, and C4 clearance for vibrating screen applications?
A: Vibrating screens generate significant heat from continuous oscillating loads. A standard CN clearance often lacks the thermal expansion room needed, leading to preload and seizure. The C3 clearance provides the necessary internal gap to accommodate this heat buildup. For extremely high-temperature environments or heavy interference fits, a C4 clearance might be required, but C3 remains the standard for most heavy-duty screening decks.
Q: What is the difference between MB (brass inner-ring guided) and MA (outer-ring guided) cages?
A: The MB cage is guided on the inner ring, which is generally preferred for applications with heavy radial loads and moderate speeds, as it minimizes roller skewing. The MA cage is guided on the outer ring, often used when the outer ring rotates or in specific high-speed setups. Selecting the correct guidance type ensures optimal lubrication film thickness and extends the bearing service life in crushers and mills.
Q: How to verify the authenticity of FAG spherical roller bearings using official apps?
A: Genuine bearings feature a unique QR code or DataMatrix code on the packaging or directly on the bearing ring. Scanning this code with the manufacturer's official smartphone app instantly verifies the product's origin, batch number, and specifications. This digital authentication prevents the installation of counterfeit parts that lack the proper metallurgical properties and precision tolerances required for demanding industrial applications.
Q: What are the recommended mounting tools and induction heating practices for tapered bore (K) bearings?
A: Mounting a 1:12 tapered bore bearing requires a hydraulic nut and a dial indicator to measure the axial drive-up distance precisely. Induction heating should be used to expand the inner ring, but the temperature must be strictly controlled to avoid altering the steel's microstructure or reducing the C3 clearance. Always use the correct adapter sleeve and lock nut to secure the assembly firmly on the shaft.
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![FAG Spherical Roller Bearing 22260-MB 22264-K-MB-C3 22264-MB Industrial Parts [WARN] draft identifier mismatch](https://inaoem.com/wp-content/uploads/2026/09/fag-spherical-roller-bearing-22260-mb-22264-k-mb-c3-22264-mb-industrial-parts-warn-draft-identifier-mismatch-911542-300x300.webp)
![FAG Spherical Roller Bearing 22260-MB 22264-K-MB-C3 22264-MB Industrial Parts [WARN] draft identifier mismatch](https://inaoem.com/wp-content/uploads/2026/09/fag-spherical-roller-bearing-22260-mb-22264-k-mb-c3-22264-mb-industrial-parts-warn-draft-identifier-mismatch-8d352a-300x300.webp)
![FAG Spherical Roller Bearing 22260-MB 22264-K-MB-C3 22264-MB Industrial Parts [WARN] draft identifier mismatch](https://inaoem.com/wp-content/uploads/2026/09/fag-spherical-roller-bearing-22260-mb-22264-k-mb-c3-22264-mb-industrial-parts-warn-draft-identifier-mismatch-0874b9-300x291.webp)

