Trelleborg launches Stefa HiSpin EV40 seal for e-motors
Trelleborg AB (Trelleborg) has launched the Stefa HiSpin EV40, a precision-engineered elastomer radial shaft seal for EV motors. It provides low friction sealing while enhancing powertrain efficiency.
The seal features Trelleborg’s patented Phase-Shifted-Wave (PSW) technology, which actively pumps fluid back to the o
