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Bearing series 12, 22, 108, 126, 129
Self-aligning ball bearings have two rows of balls and a common concave sphered raceway in the outer ring. Self-aligning ball bearings are consequently moveable angularly and insensitive to angular misalignments of the shaft relative to the housing. They are therefore particularly suitable for bearing situations in which large shaft deflections or alignment errors can be expected. Self-aligning ball bearings also have the lowest friction of any rolling-contact bearings. This allows them to run somewhat more quietly and cooler even at higher speeds.
Main dimensions DIN 630:1993 / DIN 616:2000 / ISO 15:1998

Permissible misalignment:
Bearing series 108, 126, 129: 3°
Bearing series 12, 22: 2.5°

E Optimised internal construction
K Tapered bore, taper 1:12
TN9 Cage made of glass fibre-reinforced polyamide 66, ball-centred
C3 Radial internal clearance greater than normal
Our recommendations
Type d D B
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