Superior Dielectric Strength: The Al2O3 coating ensures a breakdown voltage of at least 3000V DC.
Fully Interchangeable: Equivalent to SKF /FAG models – same size & fit, lower TCO.
Proven Reliability: Tested > 10,000 h in industrial applications.
ISO 9001 & REACH Compliant: Certified quality & traceable production process.
TFL’s 6338M/C3VL0241 serves as a seamless functional replacement for major market leaders like SKF, FAG, and NSK, specifically matching the VL0241 specification for outer ring insulation. While maintaining strict adherence to ISO dimensional standards and insulation thresholds, TFL offers distinct advantages in supply chain efficiency, including significantly lower procurement costs and expedited shipping schedules. The production flexibility allows for lower Minimum Order Quantities (MOQ) and customization options.
| SKF | FAG | NSK |
|---|---|---|
| 6338M/C3VL0241 | 6338-M-J20AA-C3 | 6338 M EM C3E J20A |
Unlike generic bearing suppliers, TFL utilizes advanced plasma spraying technology to bond the aluminum oxide layer to the 6338M bearing steel, ensuring the coating does not flake under extreme pressure or thermal fluctuation. Every batch undergoes 100% breakdown voltage testing to ensure it exceeds the 1000V DC standard. With a deep inventory that includes related specifications like 6338M/C3VL2071 and 6338M/C4VL2071, TFL positions itself as a reliable B2B partner capable of meeting urgent industrial demands with premium quality products at a competitive price point.
VL0241 Specification: Features a 100-500 µm thick Aluminium Oxide coating on the outer ring surfaces, optimized for housings where insulation is critical.
High Dielectric Strength: Capable of resisting electrical currents up to 3000V DC in specific custom configurations.
Machined Brass Cage (M): The solid brass cage provides superior resistance to shock loads and vibration compared to stamped steel cages, essential for large rotor dynamics.
The TFL 6338M/C3VL0241 is primarily deployed in medium-to-large variable frequency drive (VFD) motors and generators where shaft voltages can cause bearing failure. Its size (400mm OD) makes it a staple in heavy industry infrastructure.
Large wind turbines utilize generators that are susceptible to electrical erosion due to PWM converter switching. The 6338 insulated bearing is compatible with the generator specifications of 1.5MW to 3MW turbines, such as certain series within GE Renewable Energy’s Onshore Wind platform. This bearing supports the generator rotor while isolating it from electrical discharge, reducing downtime in offshore or remote onshore maintenance scenarios.
In the oil and gas or water treatment industries, heavy-duty pumps from manufacturers like Sulzer or Flowserve use the 6338M/C3VL0241 to protect the drive-end bearings. When these pumps are driven by VFD-controlled motors, the potential for electrical erosion is high. The 6338M/C3VL0241 ensures continuous operation and prevents unplanned downtime in critical infrastructure.
In the pulp and paper industry, large refiners use powerful electric motors to process wood chips. The application requires bearings that can handle high loads and electrical noise from variable speed controls. This model is suitable for the main drive motors of equipment like the Andritz Twin Flo series refiners. The brass cage (M) handles the shock loads during operation, while the VL0241 coating mitigates the risk of electrical sparking damaging the raceways.
*The brands and series mentioned are provided for industry illustration only. Final bearing selection should be confirmed through verification of dimensions, clearance class, insulation type, and operating conditions. For selection assistance or technical consultation, please contact the TFL engineering team for support.
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