Self-aligning ball bearings — Variable shaft guidance

Self-aligning ball bearings have the same basic characteristics as deep groove ball bearings. However, they have two rows of balls. These can be pivoted together with the inner ring by a few degrees. Thus, the bearing can compensate for misalignment and deflections of the shaft.

Versions of self-aligning ball bearings

Self-aligning ball bearing: Main dimensions according to DIN 630. Double row. Usable in case of high radial and low axial load-ratings. Excellent compensation of misalignment. With cylindrical or tapered bore.
With extended inner ring: Main dimensions according to DIN 630. For the simple and stable fixing onto a shaft through a shoulder screw.

Material description of self-aligning ball bearings

Self-aligning ball bearings made of rolling bearing steel: are cost-effective and can withstand very high loads. The bearing steel is wear-resistant, shock-resistant, conductive and magnetic.
Self-aligning ball bearings made of stainless steel: are hygienic, corrosion-resistant (to fresh water), sometimes lubricated with food-grade grease (recognizable by the suffix -GF), magnetic and withstand high loads.

Self-aligning ball bearings made of rolling bearing steel

Self-Aligning Ball Bearings 12

Self-Aligning Ball Bearings 13

Self-Aligning Ball Bearings 22

Self-Aligning Ball Bearings 23

Self-Aligning Ball Bearings 112

Miniature Self-Aligning Ball Bearings 1

Self-aligning ball bearings made of stainless steel

Self-Aligning Ball Bearings SS-12 (Stainless Steel)

Self-Aligning Ball Bearings SS-22 (Stainless Steel)

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Miniature Self-Aligning Ball Bearing 108 8x22x7 mm

Item number: 108

Item features:

Delivery time: Available

from 4 pcs per 3,61 €
from 10 pcs per 3,42 €
from 50 pcs per 3,34 €
from 200 pcs per 3,19 €
from 500 pcs per 3,03 €

3,80 € *

incl. 19% VAT , plus (Standard)

Image may differ.

Miniature Self Aligning Ball Bearing 108 TN 8x22x7 mm

Item number:

Item features:

Delivery time: Available

from 4 pcs per 3,61 €
from 10 pcs per 3,42 €
from 50 pcs per 3,34 €
from 200 pcs per 3,19 €
from 500 pcs per 3,03 €

3,80 € *

incl. 19% VAT , plus (Briefversand)

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Self-Aligning Ball Bearing (Extended Inner Ring) 11204 20x47x14 mm

Item number: 11204

Item features:

Delivery time: Available

from 4 pcs per 9,47 €
from 10 pcs per 8,98 €
from 50 pcs per 8,78 €
from 200 pcs per 8,38 €
from 500 pcs per 7,98 €

9,97 € *

incl. 19% VAT , plus (Standard)

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Self-Aligning Ball Bearing (Extended Inner Ring) 11205 25x52x15 mm

Item number: 11205

Item features:

Delivery time: Available

from 4 pcs per 12,61 €
from 10 pcs per 11,96 €
from 50 pcs per 11,69 €
from 200 pcs per 11,15 €
from 500 pcs per 10,61 €

13,27 € *

incl. 19% VAT , plus (Standard)

Image may differ.

Self Aligning Ball Bearing (Extended Inner Ring) 11205 TN 25x52x15 mm

Item number:

Item features:

Delivery time: Available

from 4 pcs per 12,61 €
from 10 pcs per 11,96 €
from 50 pcs per 11,69 €
from 200 pcs per 11,15 €
from 500 pcs per 10,61 €

13,27 € *

incl. 19% VAT , plus (Standard)

Image may differ.

Self Aligning Ball Bearing (Extended Inner Ring) 11206 TN 30x62x16 mm

Item number:

Item features:

Delivery time: Available

from 4 pcs per 16,30 €
from 10 pcs per 15,46 €
from 50 pcs per 15,11 €
from 200 pcs per 14,42 €
from 500 pcs per 13,73 €

17,17 € *

incl. 19% VAT , plus (Standard)

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Self Aligning Ball Bearing (Extended Inner Ring) 11207 TN 35x72x17 mm

Item number:

Item features:

Delivery time: Available

from 4 pcs per 20,37 €
from 10 pcs per 19,30 €
from 50 pcs per 18,86 €
from 200 pcs per 18,02 €
from 500 pcs per 17,15 €

21,44 € *

incl. 19% VAT , plus (Standard)

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Self-Aligning Ball Bearing (Extended Inner Ring) 11208 40x80x18 mm

Item number: 11208

Item features:

Delivery time: Available

from 4 pcs per 24,04 €
from 10 pcs per 22,76 €
from 50 pcs per 22,25 €
from 200 pcs per 21,24 €
from 500 pcs per 20,23 €

25,29 € *

incl. 19% VAT , plus (Standard)

Image may differ.

Self Aligning Ball Bearing (Extended Inner Ring) 11208 TN 40x80x18 mm

Item number:

Item features:

Delivery time: Available

from 4 pcs per 24,04 €
from 10 pcs per 22,76 €
from 50 pcs per 22,25 €
from 200 pcs per 21,24 €
from 500 pcs per 20,23 €

25,29 € *

incl. 19% VAT , plus (Standard)

Image may differ.

Self Aligning Ball Bearing (Extended Inner Ring) 11209 TN 45x85x19 mm

Item number:

Item features:

Delivery time: Available

from 4 pcs per 27,25 €
from 10 pcs per 25,81 €
from 50 pcs per 25,24 €
from 200 pcs per 24,10 €
from 500 pcs per 22,96 €

28,68 € *

incl. 19% VAT , plus (Standard)

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Geometric structure of the ball bearing

Special design of the ball bearing

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

An extended inner ring is wider than the outer ring of the article.

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.

Type of sealing of the bearing to protect it from contamination.

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)

Material from which the bearing seal is made.

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

These bearings are lubricated for the expected service life and do not require relubrication.

Some materials used for rolling bearings are magnetic.