AISI S-2 / Rockbit Cylindrical Rollers

S-2 Rock bit Tool Steel Shock Resisting Cylindrical Rollers

AISI S-2 / Rockbit Cylindrical Roller

Rock bit Cylindrical Rollers are through hardened and they feature high toughness and wear and tear resistance. They are specifically used in drilling applications.

Applications :
  • Wind Mill Bearings
  • Subsea Drilling Bearings
Chemical composition
%C %Si %Mn %P %S %Mo %V
0.40-0.55 0.90-1.20 0.30-0.50 0.030 max 0.030 max 0.30-0.60 0.50 max
Technical Properties
Property Type U.o.M. Values U.o.M. Values
Hardness Mechanical [HRC] 55 - 60 - -
Ultimate tensile strength Mechanical [MPa] 2100 - 2200 [psix10^3] 305 - 320
Size Range/Grade selection
Product Size Range U.o.M.
Rollers Dia: Minimum 8.00 mm to Mximum 55.00 mm & Length: 8.00 mm to 55.00 mm [mm]
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