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2 in rolling-diaphragm power head

2 in rolling-diaphragm power head: standard ISO 2852 2 in clamp face (flat from Ø47.5 to Ø64 with the gasket groove on Ø56.5, rim 2.85, 20° back cone; face plane 0.85 from the clamp plane), a 1.6 seat pocket inside Ø47.5, Ø38.10 bore from the pocket floor to 49, floor 6 with 4 × Ø6 vents, Ø16 boss with an Ø8 × 24 seat for two 5 × 8 × 12 bushings, crank tower with two Ø16 × 5 bearing pockets on the shaft axis 188 above the clamp plane

Exact dimensions. True size, no printing tolerance added. Threads are plain cylinders at the major diameter.

STEP STL free, CC BY 4.0 (credit "Xem Studio")

Dimensions

feature	bearing pockets
value_mm	Ø16 × 5, y −26 and −50

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From the full sheet

2 in tri-clamp rolling-diaphragm head with cylinder, rod guide and crank tower: every size, notes, mating features and sources. What tri-clamp head holds a rolling diaphragm and its piston?

Other sizes

diaphragm seat ring