Plasma Spray Technology: Creates a coating with excellent wear and heat resistance.
Interchangeable: Compatible with SKF/FAG models for a perfect replacement.
Reliable Quality: Compliant with ISO 9001 and REACH standards. The production process is fully traceable.
Flexible MOQ: Low Minimum Order Quantity (MOQ). Supports both small-batch and large-volume orders.
TFL 6224/C3VL0241 is a 100% equivalent and direct replacement for large-size insulated bearings from SKF and FAG in terms of mechanical dimensions (120x215x40mm), standard pressed steel cage structure, C3 clearance, and VL0241 outer-ring physical properties. Customers do not need to perform any secondary machining on existing motor shafts or housings during equipment maintenance. All outgoing products pass strict voltage resistance testing (>1000V DC) and dimensional precision checks.
| SKF | FAG | NKE | NSK | NTN |
|---|---|---|---|---|
|
6224/C3VL0241
|
6224-J20AA-C3
|
6224-M-C3-SQ77
|
6224HDY2C3
|
7MC3-6224C3
|
Addressing the demand for 120mm large-bore premium insulated bearings, TFL relies on a robust high-end power transmission supply chain and an ISO 9001 certified quality control system to seamlessly integrate advanced plasma ceramic spraying processes with precision large bearings. We not only provide high-reliability products that rival or exceed top global brands but also offer comprehensive technical support through our professional engineering team. With a flexible No MOQ policy and rapid delivery capabilities, TFL is dedicated to helping global industrial clients eliminate lead-time risks during urgent maintenance, achieving significant cost savings.
Standard Pressed Steel Cage — Lightweight and highly efficient, optimized for low running friction.
Plasma-Sprayed Insulation — High-bond alumina coating ensures breakdown voltage up to 3000 V DC.
Large-Bore Medium Series — 120 x 215 x 40 mm dimensions, offering robust radial load support.
TFL 6224/C3VL0241 is widely applied in large VFD drive equipment operating under standard, smooth industrial loads. Typical applications encompass large horizontal water transport pumps in water management systems, industrial centrifugal fans in chemical plants, high-power AC motors in general manufacturing, and large commercial HVAC centrifugal compressors. Its standard steel cage structure is ideal for steady-state continuous high-speed operation, while the reliable outer-ring insulation perfectly cuts off high-frequency electrical loops introduced by VFD systems.
In general high-power industrial motors like the Siemens 1LE1 or ABB M3BP series, high-frequency PWM signal interference often causes rotor shaft currents to break down the lubricating oil film. TFL 6224/C3VL0241’s steel cage design is lightweight and low-friction, perfectly suited for medium-high speed continuous and smooth operation. Its outer-ring 3000V alumina insulation provides excellent anti-erosion protection, making it a highly cost-effective SKF INSOCOAT alternative for motor MRO.
In large VFD centrifugal pumps by Flowserve and Sulzer widely used in water treatment plants and power plant cooling systems, equipment often requires uninterrupted operation for months. Utilizing TFL 6224/C3VL0241 as a critical support bearing, the C3 clearance fully adapts to temperature rises during full-speed runs, while effectively cutting off electrical erosion leakage caused by inverter harmonics, drastically extending the time interval between pump overhauls.
At the main drive ends of centrifugal compressors by Atlas Copco or Ingersoll Rand in large chemical plants or air separation systems, high-speed rotation and high-power VFDs easily trigger intense shaft voltages. TFL 6224/C3VL0241 provides stable support with its 120mm bore and 50–200 MΩ insulation resistance, efficiently isolating high-frequency interference currents. This ensures the compressor raceways are safe from arc flaking threats, improving the overall uptime of the production line.
*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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