Bearing housing tolerance detail

164 Published by admin Jan 17,2020

Bearing housing tolerance include but are not limited to; dimensional accuracy, running accuracy, etc., and are regulated by standards such as DIN, Abec, ISO, and JIS B1514. For dimensional accuracy, these standards specify the tolerance and permissible values for the boundary dimensions (bore diameter, outside diameter, width, assembled bearing width, chamfer, taper, etc).
Bearing housing tolerance and permissible values for the boundary dimensions and running accuracy of bearings are specified.
These bearing housing tolerance are prescribed in JIS B 1514-1, JIS B 1514-2, and JIS B 1514-3 (roller bearings - bearing tolerances part 1: radial bearings, part 2: thrust bearings, and part 3: permissible values for chamfer dimensions).

precision bearing housing tolerance
Bearing housing tolerance are standardized by classifying bearings into the following six classes (accuracy in tolerances becomes higher in the order described): 0, 6X, 6, 5, 4 and 2.
Boundary dimension accuracy (items on shaft and housing mounting dimensions)
Bearing housing tolerance for bore diameter, outside diameter, ring width, assembled bearing width
Bearing housing tolerance for set bore diameter and set outside diameter of rollers
Tolerance limits for chamfer dimensions
Tolerance and permissible values for tapered bore
Running accuracy (items on runout of rotating elements)
Permissible values for radial and axial runout of inner and outer rings
Permissible values for perpendicularity of inner ring face
Permissible values for perpendicularity of outer ring outside surface
Permissible values for thrust bearing raceway thickness
Standards and organizations concerned with bearings
JIS : Japanese Industrial Standard

bearing housing tolerance
BAS : The Japan Bearing Industrial Association Standard
ISO : International Organization for Standardization
ANSI : American National Standards Institute, Inc.
DIN : Deutsches Institut für Normung
BS : British Standards Institution
NF : Association Francaise de Normalisation
If you want to know more about bearing housing tolerance or need any other bearings, please also contact me!
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