Chapter CXXV: Section 46: JOURNALS, BEARINGS, PIVOTS, &c

(_See also p. 102._)

=2216. Pedestal bearing,= with four brasses and set screw adjustments.

=2217. Hydraulic oil pivot= for vertical spindle. Oil under pressure is forced into the channels between the bearing faces, the area and pressure being adjusted to the load. The surplus oil is returned from the oil well to the pump.

=2218. Adjustable intermediate bearing= for a vertical shaft. It has three brasses set up by set screws and wedges.

=2219. Long bearing,= with oil circulation.

=2220. ~V~ bearing,= or support for a shaft or telescope.

=2221. Plain double bearing,= with one cap and one bolt.

=2222. Vertical shaft bearing,= formed of two similar toe-pieces of very hard steel running in oil.

=2223. Pedestal, with side adjusting brasses,= set up by set screws.

=2224. Vertical shaft bearing,= similar to No. 2222, but with small coned toe-piece of very hard steel.

=2225. Thrust-bearing for collar screw,= having a loose collar secured by two pins, drilled half in the collar and half in the base.

=2226. Similar bearing,= with a loose collar screwed in and locked by a set pin.

=2227. Similar bearing;= the screw has a thick collar, with a turned groove and a pin drilled half into the collar and half into the base.

=2228. Vertical pivot,= with hardened screws.

=Ball bearings.= See Section 70.

=Roller bearings.= See Section 70.

=2229. Bearing, with side brasses,= set up by a set screw.

=2230. Bearing, with 3 brasses,= set up by a set screw.

=2231. Bearing, with 3 brasses,= the side brasses set up by wedge bolts, regulated on top.

=2232. Bearing, with 3 brasses,= set up by side wedges and top screws.

=2233. Schiele’s vertical shaft bearing.=

=White metal= is much used for bearings, and may be run in around a
shaft. The brasses are sometimes made of skeleton form to receive
white metal in this way.