yes, we can help with providing this alternative to our customers for part 511BCA148M500BAG / 511BCA148M500BAG-ND, as XTAL OSC XO 148.5 MHz LVDS SMD from Skyworks Solutions Inc.:
SXO53L3D481-148.500MT from Suntsu Electronics, Inc.
Please review the datasheets to ensure the alternative will work for your application.