Available with many custom features, such as special electrical angles, mechanical travel, and potted taps, Series 157 7/8" round potentiometers are designed to withstand harsh conditions. Their life exceeds two million shaft revolutions. And with ball (servo) or sleeve bearings, resistance values are 1 kiloohm to 100 kiloohms ±0.25% at the standard power rating of 1W at 40°C. Linearity is ±2% and weight is 1/2-oz.