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6324/C3VL0241 Electrically Insulated Ball Bearings

6324/C3VL0241 Electrically Insulated Ball Bearings

Current insulated bearing 6324/C3VL0241 dimension.

High-Insulation 6324/C3VL0241 - Global Shipping Available

$ 450 /Each
  • Customized Logo: Min. Order 1 Piece
  • Customized Packaging: Min. Order 1 Piece
  • Inventory: In stock
  • Country of Origin: China
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Product Parameters

  • Model 6324/C3VL0241
  • Equivalent Interchange 6324/C3VL0241 (SKF); 6324-J20AA-C3 (FAG); 6324-M-C3-SQ77 (NKE); 6324HDY2C3 (NSK); 7MC3-6324C3 (NTN);
  • Product Category Electrically Insulated Ball Bearings
  • Coating Suffix VL0241
  • Insulating Coating Types Insulation coating on outer ring
  • Manufacturers TFL
  • Bore Diameter 120.0 mm
  • Outside Diameter 260.0 mm
  • Width 55.0 mm
  • Net Weight 12.2kg
  • Basic Dynamic Load Rating 216.0 kN
  • Basic Static Load Rating 186.0 kN
  • Reference Speed 5600.0 r/min
  • Breakdown Voltage (DC) 1000 ~3000 V
  • Layer Thickness 100~500 µm
  • Electrical Resistance 50~200 MΩ
  • Cage Material Sheet metal
  • Radial Internal Clearance C3
  • ROHS Compliant
  • REACH Compliant

6324/C3VL0241 Equivalent Interchange Brands

TFL 6324/C3VL0241 matches mainstream SKF and FAG electrically insulated deep groove ball bearings in base dimensions: 120 mm bore, 260 mm outside diameter, and 55 mm width. The VL0241 suffix indicates outer-ring insulation for VFD motors and generators where shaft-current protection is required. For replacement, dimensions, C3 clearance, cage design, and insulation level should be checked together. This model can be used as a direct replacement reference in an INSOCOAT Equivalent Chart or SKF/FAG Interchange List.

SKF FAG NKE NSK NTN
6324/C3VL0241 6324-J20AA-C3 6324-M-C3-SQ77 6324HDY2C3 7MC3-6324C3

Why Choose TFL?

TFL focuses on electrically insulated bearings and industrial bearing replacement solutions, applying plasma spray coating to form an alumina ceramic insulation layer on the outer ring. We support OEM/ODM, No MOQ, Fast Delivery, and engineering selection discussions for spare parts, project replacement, and batch purchasing. Under an ISO 9001 Certified quality system, TFL manages production and inspection to maintain interchangeability while helping customers reduce purchasing cost and total maintenance cost.

Features of 6324/C3VL0241

Common Applications of Electrically Insulated Bearings

TFL 6324/C3VL0241 can be used for insulated bearing replacement in VFD motors, generators, industrial pumps, compressors, fans, and wind turbine systems. Its outer-ring insulation blocks shaft-current paths and helps reduce electrical erosion on raceways, rolling elements, and lubricant. For high-voltage, variable-speed, frequent-start, or humid operating environments, it can be evaluated as an SKF Replacement and FAG Equivalent option.

A cutaway view of an industrial VFD motor highlighting the installation of an electrically insulated bearing to block shaft currents.

Motors & Generators

TFL electrically insulated deep groove ball bearing 6324/C3VL0241 can be used in high-power VFD-driven motor and generator systems such as Siemens 1LE0001 and ABB M3BP series. In these systems, high-frequency voltage from the inverter may create shaft currents, causing raceway erosion and increased vibration. TFL’s alumina ceramic outer-ring insulation provides up to 3000 V DC protection while maintaining the standard 120 × 260 × 55 mm mounting size, making it a suitable replacement option for SKF INSOCOAT and FAG J20AA types.

Photo showing insulated bearing in a water pump mechanism

Pumps & Fans

TFL 6324/C3VL0241 can be used in VFD motor bearing positions for Grundfos CR multistage pumps, KSB Eta centrifugal pumps, and large industrial fan systems. Pumps and fans often run continuously in humid and vibration-prone environments, while variable-speed control increases exposure to electrical disturbance. TFL’s outer-ring insulation provides voltage protection while keeping standard dimensional interchangeability for these equipment types.

The picture shows the insulated bearings used on wind turbines.

Wind Turbines

In wind power applications, TFL 6324/C3VL0241 can be considered for similar bearing positions in generator or auxiliary drive systems such as Vestas V90, Goldwind GW121/2500, and Siemens Gamesa 2.3 MW turbines. Wind turbine equipment faces variable load, humidity, temperature change, and electrical disturbance, so bearing insulation can affect maintenance intervals and downtime risk. TFL’s plasma spray coating on the outer ring can be evaluated for these systems, especially where dimensional interchangeability, dielectric protection, and spare-part cost all matter.

*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.

Q&A

Can TFL 6324/C3VL0241 replace SKF 6324/C3VL0241?

In terms of dimensions and designation structure, TFL 6324/C3VL0241 can be used as a replacement reference for the SKF equivalent. Before replacement, cage design, clearance, speed, load, and insulation level should be confirmed against the application.

Why do VFD motors need electrically insulated bearings such as 6324/C3VL0241?

Inverters can create high-frequency voltage on the motor shaft. If current passes through a standard bearing, it may cause electrical erosion, fluting, and lubricant degradation. The outer-ring insulation of 6324/C3VL0241 helps block that current path and reduce abnormal bearing failure.

What purchasing scenarios fit 6324/C3VL0241?

This model suits motor OEM supply, maintenance spare parts, wind service, and pump or fan system upgrades. For procurement managers, lead time, interchangeable brands, certification documents, and batch cost should be checked first.
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