Cylindrical Roller Bearings of the series 3

Special feature of this series: Main dimensions according to DIN 5412-1. Cylindrical roller bearings of the series 3 are suitable for very high radial load capacities. They withstand higher forces than cylindrical roller bearings of the series 2 at the same inner diameter.

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Cylindrical Roller Bearing NJ311 E 55x120x29 mm

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Cylindrical Roller Bearing NJ311 E 55x120x29 mm

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Delivery time: Available

from 4 pcs per 32,83 €
from 10 pcs per 31,11 €
from 50 pcs per 30,42 €
from 200 pcs per 29,02 €
from 500 pcs per 27,64 €

34,56 € *

incl. 19% VAT , plus (Standard)

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Design of the inner and outer rings with regard to axial displacement.

Bore design, either cylindrical or tapered (1:12)

Maximum permissible load capacity of the bearing based on the materials used and the geometric design.

Noise level of the bearing during operation.

Smooth-running bearings have low frictional resistance.

Resistance of the materials used in the bearing to water and other corrosive media.

Maximum permissible speed of the bearing.

Protection of the bearing from the ingress of foreign particles and liquids.

Highest ambient temperature at which the bearing can be used without restrictions

Lowest ambient temperature at which the bearing can be used without restrictions

Accuracy of main dimensions (inner diameter, outer diameter and width). P0 is the standard tolerance class, P6 and especially P5 are a bit more precise.

The bearing clearance is the amount by which the two rings of a non-installed roller bearing can be displaced in relation to one another. There are different internal clearance classes. CN is "normal internal clearance" and is the best choice for many applications. C3, C4, ... indicates increased clearance. C2, C1, ... stands for reduced clearance.

Inner and outer ring material

Material of the rolling element (i.e. the balls or rollers)

Material of the cage (the cage holds the rolling elements in place)

Type of lubrication of the rolling bearing. Rolling bearings are usually either greased, oiled or dry.