Connecting Rod End
The end of the connecting rod that carries the bearing and connects to the crank and other end that connects to the piston.
A connecting rod end with set-in end block, typical steam engine style of connecting rod end.
Solid Strap End the brass/bronze bearings are adjusted by a capstan screw.
Connecting rod end with half brass and brass cap. The connecting rod itself and the end on the right-hand side of the image woud typically be a steel part.
Steel Ball Adjustment for connecting rod brasses. A number of steel balls are enclosed in a chamber and compressed by a screw and hence apply pressure to the bearing sheels.
Connecting rod end with locknut key. The tapered pin is pulled through the rod end and thus applies pressure to the bearing brasses.
Hiscox, Gardner Dexter, "Mechanical movements, powers and devices", 1911, New York, The Norman W. Henley publishing co.
See also: Connecting Rod.