Electrical Protection: Breakdown voltage up to 3000V. Blocks stray currents to prevent electrical corrosion.
Reliable Quality: Compliant with ISO 9001 and REACH standards. The production process is fully traceable.
Anti-Fluting Protection: Helps protect motor bearings from electrical pitting, fluting, and premature failure.
Replacement Matching: Cross-reference support for SKF INSOCOAT-type and same-size insulated bearing models.
TFL 6336M/C4VL0241 has an interchange basis with SKF, FAG, and other insulated bearing types through its dimensions, C4 clearance, and VL0241 outer-ring insulation structure. VL0241 indicates an outer-ring insulation design for large motor and generator applications requiring isolation of the housing-side current path.
Compared with C3 versions, C4 clearance is mainly selected for higher temperature rise, greater thermal expansion, or applications where additional internal clearance is specified. Replacement should verify the complete suffix, clearance class, insulation location, and operating conditions.
| SKF | FAG |
|---|---|
| 6336M/C4VL0241 | 6336-M-J20AA-C4 |
TFL focuses on electrically insulated bearing supply, providing model verification, interchange review, and delivery support for industrial buyers, motor repair teams, and distributors. For large outer-ring insulated bearings such as 6336M/C4VL0241, we verify dimensions, C4 clearance, VL0241 insulation location, cage type, and complete original designations to reduce selection errors.
TFL supports No MOQ, small maintenance orders, bulk purchasing, OEM/ODM, and consolidated shipments, helping customers meet high-temperature continuous operation requirements while reducing sourcing costs.
VL0241 outer-ring insulation — alumina ceramic coating applied to the outer ring for electrical isolation.
C4 radial internal clearance — suitable for applications requiring increased internal clearance due to temperature rise and thermal expansion.
Brass cage design — suitable for large industrial motor and generator applications.
TFL 6336M/C4VL0241 electrically insulated deep groove ball bearing is suitable for large inverter motors, industrial generators, heavy-duty compressors, and other high-temperature continuous-duty electric drive systems.
The VL0241 outer-ring insulation structure helps reduce bearing damage risks caused by housing-side current paths. C4 clearance is suitable for applications with higher temperature rise, thermal expansion, or manufacturer-specified larger internal clearance.
Final selection should be verified by original dimensions, insulation location, clearance, fits, load, and speed.
TFL 6336M/C4VL0241 can be considered for large inverter motor equipment types, including Siemens 1LE0001 and ABB M3BP series.
Inverter-driven operation may generate shaft currents, allowing the bearing to become part of the current path and causing electrical erosion. The VL0241 outer-ring alumina ceramic insulation helps interrupt housing-side current paths, while C4 clearance supports certain high-temperature continuous-duty motor systems.
TFL 6336M/C4VL0241 can be considered for bearing positions in industrial generators and large synchronous generators, including equipment types from ABB generators and Siemens Gamesa wind generators.
Generator operation may create shaft voltage and circulating currents, which can affect standard bearings over long operating periods. The VL0241 outer-ring insulation of 6336M/C4VL0241 can be considered during generator bearing replacement review.
TFL 6336M/C4VL0241 can be considered for bearing positions in heavy-duty industrial compressor and electric drive systems.
These systems often operate continuously under high temperature, variable-frequency control, and complex grounding conditions where shaft current issues may occur. The outer-ring insulation structure and C4 clearance combination of 6336M/C4VL0241 can be considered for insulated bearing replacement in compressor drive systems.
*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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