Guided Motion Company
FAG Spherical Roller Bearing 23026-E1-a-M-C4 23026-E1-Tvp-B 23028-E1-a-K-M C4 Clearance
FAG Spherical Roller Bearing 23026-E1-a-M-C4 23026-E1-Tvp-B 23028-E1-a-K-M C4 Clearance [WARN] draft identifier mismatchFAG Spherical Roller Bearing 23026-E1-a-M-C4 23026-E1-Tvp-B 23028-E1-a-K-M C4 Clearance [WARN] draft identifier mismatchFAG Spherical Roller Bearing 23026-E1-a-M-C4 23026-E1-Tvp-B 23028-E1-a-K-M C4 Clearance [WARN] draft identifier mismatchFAG Spherical Roller Bearing 23026-E1-a-M-C4 23026-E1-Tvp-B 23028-E1-a-K-M C4 Clearance [WARN] draft identifier mismatchFAG Spherical Roller Bearing 23026-E1-a-M-C4 23026-E1-Tvp-B 23028-E1-a-K-M C4 Clearance [WARN] draft identifier mismatch
Large Size Bearings

FAG Spherical Roller Bearing 23026-E1-a-M-C4 23026-E1-Tvp-B 23028-E1-a-K-M C4 Clearance

BrandFAG

FAG 23026-E1-a-M-C4 23026-E1-Tvp-B 23028-E1-a-K-M Spherical Roller Bearing C4

  • Features a machined brass cage designed for high-vibration loads and a 1:12 tapered bore for secure shaft mounting.
  • The C4 internal clearance effectively accommodates extreme thermal expansion during continuous operation in mining and steel mill equipment.
  • Every order is shipped with a complete documentation package, including original material certificates and precise dimensional inspection reports for full traceability.
  • Authorized INA Supplier

    INA needle roller bearings, cam followers and track rollers for buyers worldwide.

  • Matched by Reference, Size or Drawing

    Original references, dimensions and assembly drawings all work as a starting point.

  • Related Parts Confirmed Together

    Inner rings and thrust washers can sit on the same bearing requirement.

  • Written Quotation

    Model, quantity, price, availability and estimated lead time, stated in writing.

Product Details

About This INA Bearing

Verified via official app — Every FAG 23026-E1-a-M-C4 23026-E1-Tvp-B 23028-E1-a-K-M spherical roller bearing we ship includes a scannable QR code for instant authenticity confirmation.

Technical Specifications

Parameter Value
Designation FAG 23026-E1-a-M-C4 23026-E1-Tvp-B 23028-E1-a-K-M
Bearing Type Spherical Roller Bearing
Structure Double Row, Self-Aligning
Main Material Chrome Steel Gcr15
Cage Type Steel Cage / Brass Cage / Nylon Cage
Precision Rating P0 / P2 / P4 / P5 / P6
Clearance Class C4 (for specific variants)
Bore Type Cylindrical / Tapered (1:12 for K suffix)
Lubrication Features Outer ring groove and holes (W33 suffix)
Origin Jiangsu China

Application Suitability

Industry Typical Applications
Mining & Construction Vibrating screens, crushers, and heavy excavator joints
Metallurgy & Steel Mills Continuous casters, rolling mill roll necks, and cooling beds
Pulp & Paper Paper machine dryer cylinders and press rolls

Preventing Thermal Seizure in the FAG 23026-E1-a-M-C4 23026-E1-Tvp-B 23028-E1-a-K-M spherical roller bearing

Matching internal clearance to operational heat prevents catastrophic roller seizure.
I learned this the hard way when a cement kiln trunnion locked up because standard clearance bearings couldn't handle the thermal growth. When equipment runs hot under heavy loads, the inner ring expands faster than the housing, squeezing the rolling elements until they stop turning entirely. The friction generates even more heat, creating a destructive feedback loop that welds the cage to the raceway. Selecting the right FAG 23026-E1-a-M-C4 23026-E1-Tvp-B 23028-E1-a-K-M spherical roller bearing with adequate thermal allowance stops this unplanned downtime and protects the surrounding mechanical assemblies from secondary damage.

FAG 23026-E1-a-M-C4 23026-E1-Tvp-B 23028-E1-a-K-M spherical roller bearing

Aligning Cage and Clearance with Kiln and Screen Demands

In vibrating screens and rotary kilns, shock loads and high ambient temperatures demand specialized internal geometries that standard catalog items simply cannot provide. The FAG 23026-E1-a-M-C4 23026-E1-Tvp-B 23028-E1-a-K-M spherical roller bearing offers machined brass cage options that withstand severe vibrations without cracking or deforming under peak stress. We source these specific configurations to ensure your heavy machinery keeps running when standard alternatives fail prematurely. Our technical team evaluates your specific load profiles to recommend the optimal cage material and clearance combination for maximum reliability.

Managing Misalignment and Contamination in Harsh Environments

Heavy machinery rarely operates in perfect alignment, placing uneven and destructive stress on the raceways. The self-aligning double row structure compensates for shaft deflections and housing inaccuracies, protecting the critical contact zones from edge loading and localized spalling. Furthermore, dust and moisture in mining sites require reliable lubrication pathways, which is why variants with outer ring grooves and holes facilitate consistent grease distribution directly into the load zone. Contamination ingress remains a primary threat to longevity, making proper external shielding and regular re-lubrication schedules absolutely essential for maintaining the protective oil film thickness.

Decoding the Suffix Architecture for Optimal Performance

The suffix string dictates exactly how the bearing behaves under extreme mechanical and thermal stress. The 'E' designation indicates an optimized internal geometry with larger rollers for significantly increased load capacity, while 'M' specifies a machined brass cage designed specifically for high-vibration environments where pressed steel cages would fatigue. For tapered bore variants, the 'K' suffix denotes a 1:12 taper, requiring precise locknut tightening to achieve the correct residual clearance during mounting. The 'C4' clearance class provides the necessary internal room for thermal expansion in high-temperature applications, preventing the rollers from binding when the shaft heats up. Meanwhile, 'W33' ensures lubricant reaches the critical load zones through outer ring grooves. Certain suffixes like '2RS', 'E1', 'a', 'Tvp', and 'B' require manufacturer catalog confirmation to verify their exact sealing or structural modifications before finalizing the order.

Double row self-aligning structure and brass cage options

The Financial Drain of Premature Trunnion Failures

Installing a bearing with insufficient internal clearance in a high-heat zone inevitably leads to rapid preload buildup and eventual cage disintegration. This catastrophic damage not only destroys the bearing itself but can also severely score the shaft and housing, resulting in massive and unpredictable repair bills. According to ISO 15243 frameworks, lubrication starvation and thermal seizure are dominant failure modes in poorly specified components operating under heavy radial loads. Avoiding these hidden costs requires strict adherence to thermal and load calculations during the initial selection phase, rather than simply defaulting to standard catalog replacements.

Securing Authentic Heavy-Duty Components Without the Markup

Sourcing genuine heavy-duty bearings often involves dealing with complex dealer networks and inflated direct-channel pricing that disrupts maintenance budgets. We maintain massive spot inventory covering thousands of part numbers, allowing us to consolidate mixed-brand orders into single, cost-effective shipments. Our team provides cross-brand equivalent model consultation, ensuring you get the exact FAG 23026-E1-a-M-C4 23026-E1-Tvp-B 23028-E1-a-K-M spherical roller bearing or a fully verified alternative without delaying your critical maintenance schedule. Every unit ships with complete traceability documentation, and our flexible MOQ accommodates everything from single emergency spares to full container loads for major plant overhauls.

Documentation & Authenticity

  • Certificate of Conformity verifying the exact C4 clearance and brass cage specifications.
  • Original factory batch traceability linking the production run to the metallurgical report.
  • Official app QR code authentication for instant verification of the machined brass cage variants.
  • Dimensional inspection report confirming P-class tolerances and tapered bore angles before dispatch.

Storage, Handling & Mounting

  • Store the tapered bore variants in original packaging to protect the 1:12 taper from humidity-induced corrosion.
  • Use induction heaters for cylindrical bore mounting, avoiding open flames that could alter the chrome steel hardness.
  • Check the locknut drive-in distance carefully on K-suffix models to preserve the critical C4 residual clearance.
  • Keep W33 grooved bearings sealed until installation to prevent debris from blocking the outer ring lubrication holes.
  • Handle machined brass cage units with clean gloves to avoid acidic skin contact that accelerates surface oxidation.

Engineering Support for Complex Retrofit Projects

To ensure precise model selection, please share your operational parameters including radial and axial loads, rotational speed, and ambient temperature ranges. Providing the OEM equipment number allows our engineering team to perform cross-reference verification and L10 life recalculation. This technical review guarantees the selected configuration matches your specific thermal and misalignment requirements.

Frequently Asked Questions

Q: What does the C4 clearance mean for high-temperature applications?
A: The C4 designation indicates a radial internal clearance greater than standard, specifically engineered to accommodate thermal expansion. In hot environments like cement kilns, the inner ring expands faster than the housing; this extra room prevents the rolling elements from binding and seizing under heat.

Q: How do I verify the authenticity of the machined brass cage?
A: Every genuine unit we supply includes a scannable QR code linked to the manufacturer's official authentication app. This digital verification confirms the original factory batch, material specifications, and production date, ensuring you receive authentic components rather than counterfeit replacements.

Q: What is the difference between the K and standard cylindrical bore?
A: The K suffix denotes a tapered bore with a 1:12 ratio, designed for mounting on adapter sleeves or tapered shafts. This configuration allows for precise adjustment of the internal clearance during installation by controlling the drive-in distance of the locknut.

Q: Can I cross-reference this model with other premium brands?
A: Yes, our technical team provides comprehensive cross-reference consultation to identify equivalent models from other global brands if the specific FAG variant is unavailable. We verify dimensional interchangeability, load ratings, and clearance classes to ensure the alternative meets your exact application demands.

Q: Why is the W33 suffix critical for vibrating screens?
A: The W33 suffix indicates the presence of a lubrication groove and three holes in the outer ring. In high-vibration equipment like screens, this feature ensures consistent grease distribution directly to the load zone, preventing lubrication starvation and extending the operational lifespan.

Rollers and drive units inside a printing machine on a factory floor

Part Numbers and Dimensions Confirmed Before Shipping

"As a maintenance buyer at a printing plant, I source INA bearings for roller arrangements and drive units. The team here understands the difference between the various INA series and does not guess. They confirm the part number and dimensions before shipping."
Catherine Baker Baker Print Group, USA (MA)
Send Your INA Reference

FAQ

INA Bearing Questions Buyers Ask

Most order errors come from a missing related part or an incomplete reference. These answers cover the checks that prevent them.

Do I need an inner ring with this needle roller bearing?

You need one if your machine design calls for it. Inner rings are often specified separately, so they are easy to leave off a part list. Send the INA reference or assembly drawing and the inner ring can be confirmed with the bearing.

Which cam-follower dimensions should accompany the reference?

Send the overall dimensions, the stud thread and the outer ring profile. A correct roller diameter alone does not confirm the part, because the thread or profile can still differ. For yoke-type track rollers, give the required dimensions and outer ring profile.

What if my INA reference is incomplete?

Send a clear photo of the markings and say which details still need confirming. Dimensions or an assembly drawing help narrow it down. Parts are matched against this information to identify the INA product family you need.

Can an alternative to the original part be considered?

Yes, tell us at the inquiry stage if you are open to one. Any alternative is identified separately before you accept a quotation. Technical changes require your approval.

Online Quote

Request a Quote for FAG Spherical Roller Bearing 23026-E1-a-M-C4 23026-E1-Tvp-B 23028-E1-a-K-M C4 Clearance

Share your INA reference, overall dimensions and destination to get a written quotation from Guided Motion Company. Add the stud thread or roller profile, matching inner ring or washer references, and quantity where they apply.