NA 4910 needle bearing

ZINA  produces cylindrical roller bearings in many designs, dimension series and sizes. The majority are single row bearings with a cage. Single and double row full complement bearings (without cage) complete the ZINA standard assortment for general engineering. Bearings with a cage can accommodate heavy radial loads and operate at high speeds. Full complement bearings are suitable for very heavy radial loads at moderate speeds.

The rollers of ZINA cylindrical roller bearings are a key component. 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 ZINA range of cylindrical roller bearings comprises the basic types

In addition to the standard assortment the comprehensive SKF range of cylindrical roller bearings consists of

Other cylindrical roller bearings for special applications include a special electrical insulated coating, called INSOCOAT^®. Details of these bearings can be found in this catalogue in the section "".