Jergens®, 49702, Liner, Primary, 20 mm Diameter, 52100 Steel, Black Oxide

Locating repeatability will determine if (1) primary and (1) secondary or (2) primary liners are needed. With (2) primary liners, repeatability of ±0.0005" (±0.003mm) can be maintained if the (2) holes for receiver bushings are held to a centerline distance of ±0.0002" (±0.005mm) tolerance.Features, Benefits, & Product Specifications:Material: 52100 SteelFinish: Black OxideHeat Treat: 62-64 RCOperating Temperature Range: -20°F to 400°F (-30°C to 200°C)On Installation of Press Fit Liners & Back Mount Style Receiver Bushings:To alleviate the possibility of binding the shank in the bore, the maximum interference fit between bore and bushing O.D. should not exceed 0.0005" (0.013mm).