欧美性欧美巨大黑白大战,国产成人a∨激情视频厨房,久久精工cnc加工精度,少妇被下春药玩弄A片

Home/
Product Center

SF-2 Marginal Pb-free self-lubricating bearing

Product description:

SF-2 Marginal Pb-free self-lubricating bearing is used steel-backing as its structure, sintered porous bronze as its interlayer, surface inlaid the modified POM. Suitable for marginally lubricated and dry operation on the conditions of lubrication indents grease. It has been widely applied to metallurgical machinery, Mine machinery, water conservancy machinery, vapor locomotive, building machinery, agriculture machinery, steel rolling industry etc.