Plasma Spray Technology: Creates a coating with excellent wear and heat resistance.
Reliable Quality: Compliant with ISO 9001 and REACH standards. The production process is fully traceable.
Service Response: All inquiries are answered within 24 hours.
Competitive Pricing: Factory-direct sales allow us to offer prices below the market average.
TFL 6222/C3VL0241 is a 100% equivalent and direct replacement for large-size insulated bearings from SKF and FAG in terms of mechanical dimensions (110x200x38mm), standard pressed steel cage, C3 clearance, and VL0241 outer-ring physical properties. No modifications to existing industrial motors or pumps are required. All dispatched bearings pass strict voltage resistance testing (>1000V DC) and dimensional precision checks.
| SKF | FAG | NKE | NSK | NTN |
|---|---|---|---|---|
|
6222/C3VL0241
|
6222-J20AA-C3
|
6222-M-C3-SQ77
|
6222HDY2C3
|
7MC3-6222C3
|
TFL focuses on solving shaft current challenges in high-power AC drive systems. For large bearings with a 110mm bore, ensuring the uniformity and adhesion of a large-area ceramic coating is the core test. Through imported plasma spraying equipment and the ISO 9001 quality control system, TFL consistently produces high-quality large insulated bearings. We provide professional technical support and, amidst global supply chain fluctuations, help clients achieve significant cost savings and efficiency with our rapid stock delivery capabilities.
Large-Bore Medium Series — 110 x 200 x 38 mm dimensions for substantial radial load support.
Standard Pressed Steel Cage — Lightweight and efficient, optimized for low friction and steady operation.
Plasma-Sprayed Insulation — High-bond alumina coating guaranteeing up to 3000 V DC breakdown voltage.
TFL 6222/C3VL0241 is widely applied in large VFD equipment under general industrial loads. Typical applications encompass large water transport pumps in water treatment plants, industrial centrifugal fans in chemical plants, large commercial HVAC compressors, and high-power AC motors in general manufacturing. Its standard steel cage structure is ideal for steady-state continuous operation, while the outer-ring insulation perfectly cuts off destructive electrical loops introduced by VFD systems.
In general high-power industrial VFD motors like the Siemens 1LE1 or ABB M3BP series, rotor shaft currents are the main culprit in reducing bearing life. TFL 6222/C3VL0241’s steel cage is lightweight and low-friction, perfectly suited for medium-high speed, continuous, smooth operation. Its outer-ring alumina insulation withstands 3000V, providing excellent long-cycle protection and serving as a highly cost-effective SKF alternative for motor MRO.
In municipal water supply and treatment plants using large VFD horizontal centrifugal pumps by Flowserve and Grundfos, equipment often requires uninterrupted operation for years. Using TFL 6222/C3VL0241 as the non-drive end (NDE) bearing, the C3 clearance fully adapts to the temperature rise during full-speed operation, while simultaneously cutting off electrical erosion leakage caused by inverter harmonics, drastically extending the pump sets' maintenance intervals.
In large commercial HVAC or cold storage systems using screw/centrifugal compressors by Atlas Copco or Trane, the VFD-driven ends are susceptible to high-frequency PWM signal interference. TFL 6222/C3VL0241 provides stable support with its 110mm bore and 50–200 MΩ insulation resistance, effectively isolating high-frequency interference currents, ensuring the compressor is free from erosion damage, and improving the overall reliability of the energy system.
*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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