Tolerances for thrust bearings

Nominal
diameter

Shaft washer
Housing washer


Tolerance classes
Tolerance classes
Tolerance classes
d, d2, D1)
Normal, P6, P5
Normal P6 P5
Normal, P6, P5


tΔdmp, tΔd2mp tVdsp, tVd2sp
tSi2)3) tSi2)3) tSi2)3)
tΔDmp tVDsp tSe2)
>
U L





U L

mm
μm μm
μm μm μm
μm μm
















18
0 –8 6
10 5 3
0 –11 8 Identical to
tSi of shaft
washer of
same bearing
18 30
0 –10 8
10 5 3
0 –13 10
30 50
0 –12 9
10 6 3
0 –16 12
50 80
0 –15 11
10 7 4
0 –19 14
80 120
0 –20 15
15 8 4
0 –22 17
120 180
0 –25 19
15 9 5
0 –25 19
180 250
0 –30 23
20 10 5
0 –30 23
250 315
0 –35 26
25 13 7
0 –35 26
315 400
0 –40 30
30 15 7
0 –40 30
400 500
0 –45 34
30 18 9
0 –45 34
500 630
0 –50 38
35 21 11
0 –50 38
630 800
0 –75 55
40 25 13
0 –75 55
800 1 000
0 –100 75
45 30 15
0 –100 75
1 000 1 250
0 –125 95
50 35 18
0 –125 95
1 250 1 600
0 –160 120
60 40 25
0 –160 120
1 600 2 000
0 –200 150
75 45 30
0 –200 150
2 000 2 500
0 –250 190
90 50 40

0 –250 190
































Bearing height
d, d21) tΔTs tΔT1s4) tΔT1s tΔT3s4) tΔT4s4)5)

Single direction
bearings without
seat washer
Single direction
bearings with
seat washer
Double direction
bearings without
seat washers
Double direction
bearings with
seat washers
Spherical roller
thrust bearings







SKF SKF Explorer
> U L U L U L U L U L U L
mm μm μm μm μm μm














30 +20 –250 +100 –250 +150 –400 +300 –400
30 50 +20 –250 +100 –250 +150 –400 +300 –400
50 80 +20 –300 +100 –300 +150 –500 +300 –500 0 –125 0 –100
80 120 +25 –300 +150 –300 +200 –500 +400 –500 0 –150 0 –100
120 180 +25 –400 +150 –400 +200 –600 +400 –600 0 –175 0 –125
180 250 +30 –400 +150 –400 +250 –600 +500 –600 0 –200 0 –125
250 315 +40 –400 0 –225 0 –150
315 400 +40 –500 0 –300 0 –200
400 500 +50 –500 0 –400
500 630 +60 –600 0 –500
630 800 +70 –750 0 –630
800 1 000 +80 –1 000 0 –800
1 000 1 250 +100 –1 400 0 –1 000
1 250 1 600 +120 –1 600 0 –1 200
1 600 2 000 +140 –1 900
2 000 2 500 +160 –2 300














  1. 1) For double direction bearings, the values apply only for d2 ≤ 190 mm and D ≤ 360 mm.
  2. 2) Applies only to thrust ball bearings and thrust cylindrical roller bearings, each with 90° contact angle.
  3. 3) Not applicable for central shaft washers.
  4. 4) Not included in ISO 199.
  5. 5) ISO 199 uses symbol T.

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