Perfect Interchangeability: Fully compatible with premium brands like SKF 6317/C3VL0241 and FAG 6317-J20AA-C3.
High Dielectric Strength: Guaranteed insulation performance, typically tested to withstand at least 3000 V DC.
Premium VL0241 Coating: The outer ring is coated with an aluminium oxide layer using plasma spray technology, providing breakdown resistance up to 1,000V DC (and often higher depending on conditions).
85x180x41mm: Adhering to ISO standards, this 6317 bearing fits perfectly into standard housings, with a robust steel cage design (distinct from the brass cage found in the associated 6317M/C3VL0241 model).
While ensuring the same dielectric strength and load capacity as SKF or FAG equivalents, TFL minimizes operational expenditures through significantly lower unit costs and eliminates the frustration of long lead times common with major manufacturers. Buyers benefit from flexible Minimum Order Quantities (MOQ) that accommodate both urgent repair needs and bulk OEM stocking, alongside rapid global logistics and the capability to customize coating specifications (such as upgrading to the inner-ring insulated 6317/C3VL2071) to meet specific project requirements.
| TFL | SKF | FAG | NKE | NSK | NTN |
|---|---|---|---|---|---|
| 6317/C3VL0241 | 6317/C3VL0241 | 6317-J20AA-C3 | 6317-M-C3-SQ77 | 6317HDY2C3 | 7MC3-6317C3 |
TFL stands as a specialist in the manufacturing of electrically insulated bearings, leveraging advanced plasma spraying technology to apply high-density ceramic coatings. TFL bridges the gap between premium quality and budget constraints, offering a reliable, ISO-certified solution that extends the service life of your rotating equipment while protecting it from the damaging effects of stray currents. As a trusted global B2B partner, we stand behind every bearing with dedicated technical support and a commitment to supply chain stability.
Oxide Ceramic Coating (VL0241): A 100μm+ layer of Aluminium Oxide (Al2O3) is applied to the outer ring surfaces, guaranteeing insulation resistance > 50 MΩ at 3000V DC.
Resin Sealing: The ceramic coating is impregnated with a specialized resin to prevent the ingress of water and humidity, preserving insulating properties in damp environments.
Precision Tolerances: Despite the added coating layer, the final boundary dimensions are ground to standard ISO tolerances, ensuring a perfect fit without housing modifications.
The 6317/C3VL0241 is critical for equipment where stray currents can cause premature failure. While we offer variants like the 6317M/C3VL0241 with a brass cage or the 6317/C4VL0241 for larger internal clearances, the standard C3 version remains the most versatile.
In the renewable energy sector, the 6317/C3VL0241 is widely used in the generators of wind turbines. For example, Senvion MM series and certain Vestas 2MW platforms utilize these bearings to protect against high-frequency currents generated by power converters. The bearing prevents the “washboarding” effect on raceways, ensuring stable power output.
This model is a standard component in rail transport propulsion systems. Major manufacturers like Alstom and Bombardier integrate the 6317/C3VL0241 into traction motors for regional trains and locomotives. Its ability to withstand the electrical discharge from overhead lines protects the motor from sudden failure during operation.
In municipal water treatment and cooling systems, large pumps driven by electric motors face stray current risks. High-capacity pumps from Grundfos (NK/NKE series) or KSB utilize the 6317/C3VL0241 to ensure the bearing surfaces remain smooth despite electrical noise from the control systems, preventing noisy operation and leakage.
*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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