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Tolerances for Spherical Plain Bearings

1.Symbol
d:Bearing bore diameter of shank diameter, nominal.
dmp:Single plane mean bore diameter of shaft diameter deviation.
Vdp:Bore diameter variation in a single radial plane.
Vdmp:Mean bore diameter variation.
Bs:Deviation of a single width of the inner ring.
B:Vidth of inner ring, nominal.
D:Bearing outside diameter or housing washer outside diameter, nominal.
Dmp:Single plane mean outside diameter deviation.
Cs:Deviation of a single width of the outer ring.
C:Width of outer ring, nominal.
Ts:Actual diviation of width of the angular contact spherical plain bearing.
Hs:Actual deviation of height of the spherical plain thrust bearing.
hs:his:Centre height deviation of rod ends of ball joint rod ends.

2.Spherical plain radial bearings

Inner ring
d over incl mm - 10 18 30 50 80 120 150 180 250 315 400
10 18 30 50 80 120 150 180 250 315 400 500
dmp um 0 0 0 0 0 0 0 0 0 0 0 0
-8 -8 -10 -12 -15 -20 -25 -25 -30 -35 -40 -45
Vdp um 8 8 10 12 15 20 25 25 30 35 - -
Vdmp um 6 6 8 9 11 15 19 19 23 26 - -
Bs um 0 0 0 0 0 0 0 0 0 0 0 0
-120 -120 -120 -120 -150 -120 -250 -250 -300 -350 -400 -450

Outter ring
d over incl mm 10 18 30 50 80 120 150 180 250 315 400 500 630
18 30 50 80 120 150 180 250 315 400 500 630 800
dmp um 0 0 0 0 0 0 0 0 0 0 0 0 0
-8 -9 -11 -13 -15 -18 -25 -30 -35 -40 -45 -50 -750
Vdp um 10 12 15 17 20 24 33 40 47 53 60 - -
Vdmp um 6 7 8 10 11 14 19 23 26 30 34 - -
Cs um 0 0 0 0 0 0 0 0 0 0 0 0 0
-240 -240 -240 -300 -400 -500 -500 -500 -700 -800 -900 -1000 -1100

3.Angular contact spherical plain bearings

Inner ring and width of bearing
d over incl mm - 30 50 80 120 180
30 50 80 120 180 200
dmp um 0 0 0 0 0 0
-10 -12 -15 -20 -25 -30
Vdmp um 8 9 11 15 19 23
Bs um 0 0 0 0 0 0
-100 -120 -150 -200 -300 -400
Ts um +150 +150 +200 +250 +350 +350
-300 -400 -500 -600 -700 -800

Outer ring
d over incl mm - 30 50 80 120 150 180 250
30 50 80 120 150 180 250 315
Dmp um 0 0 0 0 0 0 0 0
-11 -14 -16 -18 -20 -25 -30 -35
Vdmp um 8 11 12 14 15 19 23 26
Cs um 0 0 0 0 0 0 0 0
-240 -240 -300 -400 500 -500 -600 -700

4.Spherical plain thrust bearings

Shaft washer and height of bearing
d over incl mm 10 18 30 50 80 100 120 180
18 30 50 80 100 120 180 200
Dmp um 0 0 0 0 0 0 0 0
-8 -10 -12 -15 -20 -20 -25 -30
Vdmp um 6 8 9 11 15 15 19 23
Bs um 0 0 0 0 0 0 0 0
-120 -120 -120 -150 -200 -200 -300 -400
Hs um +150 +15 +200 +250 +300 +350 +350 +350
-300 -400 -500 -600 -700 -700 -700 -800

Housing washer
d over incl mm - 30 50 80 120 150 180 250 315
30 50 80 120 150 180 250 315 400
Dmp um 0 0 0 0 0 0 0 0 0
-9 -11 -13 -15 -18 -25 -30 -25 -40
Vdmp um 7 8 10 11 14 19 23 26 30
Cs um 0 0 0 0 0 0 0 0 0
-240 -240 -300 -400 -500 -500 -600 -700 -800

5.Ball joint rod ends
Shank or housing of ball joint Rings of ball joint housing
d over incl mm - 6 10 18
6 10 18 30
dmp 0 0 0 0
-30 -36 -43 -52
his +800
-1200
d over incl mm 10 18 30
18 30 50
Dmp 0 0 0
-27 -33 -39
Cs +100
-100

 
 
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