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Certification:ISO9001:2000
Cylindrical roller bearings have many designs, dimension series and sizes. The majority is single row bearings with a cage. Single and Double row, Full complement bearings (without cage) complete the ISO standard assortment for general engineering. Bearings with a cage can accommodate heavy radial loads and operate at high speeds. Full complement cylindrical roller bearings are suitable for very heavy radial loads at moderate speeds.
The rollers of cylindrical roller bearings are key components. Their geometry, the so-called logarithmic profile, provides an optimum stress distribution in the contact zones in the bearing. Their surface finish maximizes lubricant film formation and optimizes rolling motion of the rollers. The benefits derived from this compared with traditional designs include enhanced operational reliability and a greater insensitivity to misalignment
The range of cylindrical roller bearing comprises the basic type:
single row cylindrical roller bearings, caged, mainly of the NU, NJ, NUP and N designs
double row cylindrical roller bearings, caged, mainly of the NNUand NN designs
single row full complement cylindrical roller bearings, mainly of the NCF and NJG designs
double row full complement cylindrical roller bearings, mainly of the NNF design.
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