This housing unit accommodates a shaft diameter of 20 mm and is designed for use with bearing HC 204. Weight of the unit is 0,65 kg, which is relevant for handling and mounting purposes only. Housing dimensions, as read from the catalogue drawing, are as follows: B = 43,5 mm, H = 13 mm, J = 63,5 mm, K = 11,5 mm, L = 86 mm, R = 1/8, b = 18,2 mm, c = 12,8 mm, B1 = 28 mm, B2 = 44,7 mm, c0 = 6,6 mm. These values should be checked against the mounting layout before installation. The FUH 20 housing belongs to the FUH series and is intended to hold the HC 204 bearing insert, allowing the shaft to be positioned according to the dimensions listed above. The bolt hole spacing and base dimensions given (J, L, K) determine the mounting footprint, while B, B1 and B2 define the housing width and shoulder positions relevant to shaft alignment. No interchangeable part numbers from other manufacturers are listed for this housing.