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Bearing accuracy

Bearing accuracy refers to dimensional accuracy and rotation accuracy. The accuracy grade of goot bearing is divided into: P0, P6, P5, P4, which are equivalent to ISO standard. The comparison of different standard accuracy levels is as follows:

Accuracy level comparison:

Standard code Accuracy class
GB P0 P6 P5 P4
ISO NORMAL CLASS CLASS6 CLASS CLASS4
SKF P0 P6 P5 P4
DIN P0 P6 P5 P4
JIS P0 P6 P5 P4
ANSI ABEC-1 ABEC-3 ABEC-5 ABEC-7

Radial bearing tolerance (inner ring)

Accuracy class
Accuracy class
D mm
From To
△ dmp V dsp Vdmp Kia Sd Sia △ Bs VBs
max
Upper deviation
Upper deviation
Lower deviation
Lower deviation
nine zero point one 2.3.4 Upper deviation
Upper deviation
Lower deviation
Lower deviation
max max max max max max max
P0 zero point six two point five zero -8 ten eight six six ten / twenty zero -40 twelve
two point five ten zero -8 ten eight six six ten / twenty zero -120 fifteen
ten eighteen zero -8 ten eight six six ten / twenty zero -120 twenty
eighteen thirty zero -10 thirteen ten eight eight thirteen / twenty-four zero -120 twenty
thirty fifty zero -12 fifteen twelve nine nine fifteen / twenty-four zero -120 twenty
P6 zero point six two point five zero -7 nine seven five five five / ten zero -40 twelve
two point five ten zero -7 nine seven five five six / ten zero -120 fifteen
ten eighteen zero -7 nine seven five five seven / twelve zero -120 twenty
eighteen thirty zero -8 ten eight six six eight / twelve zero -120 twenty
thirty fifty zero -10 thirteen ten eight eight ten / twelve zero -120 twenty
P5 zero point six two point five zero -5 five four four three four seven seven zero -40 five
two point five ten zero -5 five four four three four seven seven zero -40 five
ten eighteen zero -5 five four four three four seven seven zero -80 five
eighteen thirty zero -6 six five five three four eight eight zero -120 five
thirty fifty zero -8 eight six six four five eight eight zero -120 five
P4 zero point six two point five zero -4 four three three two two point five three three zero -40 two point five
two point five ten zero -4 four three three two two point five three three zero -40 two point five
ten eighteen zero -4 four three three two two point five three three zero -80 two point five
eighteen thirty zero -5 five four four two point five three four four zero -120 two point five
thirty fifty zero -6 six five five three four four four zero -120 three

Radial bearing tolerance (outer ring)

Accuracy class
Accuracy class
D mm
From To
△ dmp V DSP diameter series Vdmp Kea Sea Sd △ Cs VCs
max
Upper deviation
Upper deviation
Lower deviation
Lower deviation
Open bearing Closed bearing Upper deviation
Upper deviation
Lower deviation
Lower deviation
nine zero point one 2.3.4 2.3.4
max max max max
P0 two point five six zero -8 ten eight six ten six fifteen / / zero -40 twelve
six eighteen zero -8 ten eight six ten six fifteen / / zero -120 fifteen
eighteen thirty zero -9 twelve nine seven twelve seven fifteen / / zero -120 twenty
thirty fifty zero -11 fourteen eleven eight sixteen eight twenty / / zero -120 twenty
P6 two point five six zero -7 nine seven five nine five eight / / zero -40 twelve
six eighteen zero -7 nine seven five nine five eight / / zero -120 fifteen
eighteen thirty zero -8 ten eight six ten six nine / / zero -120 twenty
thirty fifty zero -9 eleven nine seven thirteen seven ten / / zero -120 twenty
P5 two point five six zero -5 five four four / three five eight eight zero -40 five
six eighteen zero -5 five four four / three five eight eight zero -40 five
eighteen thirty zero -6 six five five / three six eight eight zero -80 five
thirty fifty zero -7 seven five five / four seven eight eight zero -120 five
P4 two point five six zero -4 four three three three two three five four zero -40 two point five
six eighteen zero -4 four three three three two three five four zero -40 two point five
eighteen thirty zero -5 five four four four two point five four five four zero -80 two point five
thirty fifty zero -6 six five five five three five five four zero -120 two point five

  • Release: Goode bearings
  • Time: June 14, 2017
  • Views: 4861