# TFL 1000V DC Insulated Bearing Rating Guide
> 1000V DC rating vs high-frequency impedance for insulated bearings.
- URL: https://www.insulated-bearings.com/blog/1000v-dc-insulated-bearing-rating-vs-high-frequency-impedance/
- Visit (tracked): https://promoteindex.com/go/tfl-1000v-dc-insulated-bearing-rating-guide
- Category: business
- Built with: human
- Pricing: contact
- Votes: 0
- Tested by PromoteIndex: no. Not tested by PromoteIndex yet. Use at your own risk.
- Listed: 2026-10-22
- Tags: bearings, motors, industrial, vfd
Engineering guide from Shandong Tefule Bearing (TFL) comparing 1000V DC insulated bearing ratings with high-frequency impedance needs on VFD motors.
Listing: https://promoteindex.com/p/tfl-1000v-dc-insulated-bearing-rating-guide

_Listings may be submitted by users, agents or our editors. Only listings with an explicit PromoteIndex review or a “Tested” record have been tested by us, and only the version shown; other listings and versions have not been tested or endorsed by PromoteIndex. Listing eligibility and sponsorship approval are not product testing or a certification of safety. Promoted/Sponsored placements are paid ads. Do your own diligence and scan any downloads before running them._