Berco RTM-260A Crankshaft Grinder

Berco RTM-260A Crankshaft Grinder
Stock #1012Used Machine; Call for Pricing


Height of centers over table- 10 1/4" (260mm)

Max swing over table- 20 1/2" (520mm)

Max distance between centers- 60" (1500mm)

Max distance between self centering chucks - 58" (1470mm)

Max eccentricity of workheads- 4 3/8" (110mm)

Max weight admitted between centers- 440 lbs (200kg)

Max dia which can be ground with new wheel- 5" (125mm)

Max dia admitted on steady rests- 5" (127mm)

Max dia of the grinding wheel- 28" (710mm)

Standard thickness of grinding wheel- 1" (25mm)

Max thickness of Grinding wheel- 2 1/2" (63mm)

Dia of self centering chucks (on standard type workheads)- 6 5/16" (160mm)

Wheelhead feed per turn of headwheel- .040" (1mm)

Hydraulically-operated wheelhead fast travel- 5 1/8" (130mm)

Wheelhead micrometer travel- 6 3/8" (162mm)

Workpiece rotation speeds (3)- 20-40-63 rpm

Micrometer table feed per turn of handwheel- .220" (5.6mm)

Fast table automatic feed speed- 217" 

Wheelhead motor- 6 1/2 hp

Headstock Motor- 0.5 hp

Hydraulic system motor- 1 hp

Table Motor- .75 hp

Motoro driven pump- 0.20 hp


Dimentions of the machine

Length- 206" (5200mm)

Width- 67" (1700mm)

Height- 63" (1600mm)

Weight, unpacked- 8,200 lbs



1x Steady rest

1x Set-up fixture with indicator

1x wheel dresser

2x Grinding wheel hubs

Splash Guards

Coolant Tank with new pump

1x Arnold gauge

1x Set of new Chucks