How to clip raster with specified row and columns
1. Use Draw Toolbar in ArcGIS to draw a rectangle and change the size of the rectangle to width = column * cell size, height = row * cell size
2. Convert the rectangle graphic to shapefile
3. Clip the raster using the Clip tool. Check the option “Maintain Clipping Extent (optional)”
Clip (Data Management)
Creates a spatial subset of a raster, including a raster dataset, mosaic dataset, or image service layer.