MEC produces wide range of rolling elements according to DIN 5402 / ISO 3096 standard, in Bearing Steel (Grade SAE 52100 or equivalent), having hardness (670+170) HV or (58+7) HRC after heat treatment. Various ends configuration available are:-




MEC also manufactures Needles & Rollers with a special logarithmic profile, Type ZB featuring a cylindrical middle section and slightly chamfered stress relieving end zones for extended durability.



Technical Specifications

Needle Rollers:

• In addition to above mentioned specifications rolling elements with special tolerance limits (plus tolerances, hardness as low as 45 HRc etc) can be supplied on request.
• In addition rollers can be provided with end drops (Type ZB) as a stress relieving feature thereby increasing life performance.
• In addition rolling elements can be manufactured with different materials (Stainless Steel SS, Mild Steel MS) if the quantities required are sufficient for economical production.