Steel ams6370 o/a,1.09 in. of id from right end surface of body chromeplated per ams2406,all other surfaces black oxide treated per ams2485,surface finish,second and third groove from flange end,right end surfaceof flange,protrusion on flange and od surface of body 63 microinches aa,id surface 16 microinches aa,all other surfaces 125 microinches aa,3.15in. min,3.1497 in. max id body,3.373 in. min,3.374 in. max od body,1.61in. lg o/a,0.119 in. min,0.121 in. max w flange,0.050 in. min,0.054 in.max protrusion on flange,4.88 in. od flange,3 holes equally spaced onflange 0.1900.32 unf-2b,countersunk 90 deg to 0.20 in. dia,6 holes 0.28in. dia located in flange,2 holes on flange 0.22 in. dia,0.095 in. deep,countersunk 82 deg min,84 deg max,all holes located on 4.25 in. boltcircle dia,od of body concentric w/id within 0.001 in. tir,right and leftend surface of flange perpendicular w/id within 0.001 in. tir,first grooveconcentric w/id within 0.005 in. tir,second and third groove conce general characteristics item description

A rigid tubular item which fits between a bearing and its housing, designed primarily as a replaceable wear surface within the inner wall of the housing.