How much do you know about caged needle bearings assembly?

【Characteristic of caged needle bearings assembly】

The caged needle bearings assembly is a single row or double row bearing unit composed of a cage and needle rollers. The single-row design complies with DIN 5405-1.

[Cross section height is very small]

Because its radial cross-section is the same as the diameter of the needle roller, the caged needle bearings assembly can be applied to very small shafts and the inner space of the bearing housing. This type of bearing has high load carrying capacity, is suitable for high speed and is particularly easy to install.

If the raceway has high machining accuracy, the bearing can obtain correspondingly high running accuracy. The internal radial clearance is affected by the needle roller group, shaft and bearing seat tolerances.

caged needle bearings assembly require hardening and grinding on the shaft and bearing seat surfaces as raceways.

【Double row】

Only double row caged needle bearings assembly with special envelope diameter F W are available. Expressed with the suffix ZW

【Rolling Needle】

Each caged needle bearings assembly only contains needle rollers of the same group. The group is printed on the package and the color code representing the group is printed.

【Operating temperature】

The operating temperature of the needle roller and nylon cage assembly is from –20 °C to +120 °C.

【Cage】

The cages of the caged needle bearings assembly include nylon cages and stamped steel cages. The suffix of the nylon cage is TV and only has a special size.

【other products】

caged needle bearings assembly can also be used for connecting rods:

■ KZK series is used for crank pin bearing arrangement

■ KBK series is used for piston pin bearing arrangement.

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