Page 48 - Rollingbearings

A.2 Tolerances

Table 10
Tolerances for thrust bearings

Nominal diameter Shaft washer Housing washer
, D 1) t , t t , t t 2)3) t 2)3) t 2)3) t t t 2)
d, d 2 Δdmp Δd2mp Vdsp Vd2sp Si Si Si ΔDmp VDsp Se
Tolerance classes Tolerance classes Tolerance classes
Normal, P6, P5 Normal P6 P5 Normal, P6, P5
> ≤ U L U L
mm μm μm

– 18 0 –8 6 10 5 3 0 –11 8 Identical to t Si of
18 30 0 0 –10 8 9 10 5 6 3 3 0 0 –13 10 shaft washer of
Tolerances 50 80 0 0 0 –15 11 10 7 8 9 4 4 5 0 0 0 –19 14
–12
–16
50
10
same bearing
12
30
120
17
15
–22
–20
15
80
19
120
19
–25
15
–25
180
A.2 180 250 0 0 –30 23 20 10 5 7 0 0 –30 23
–35
315
25
13
–35
26
26
250
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, d 1) t ΔTs t ΔT1s 4) t ΔT1s t ΔT3s 4) t ΔT4s 4)5)
2
Single direction Single direction Double direction Double direction Spherical roller thrust bearings
bearings without bearings with seat bearings without bearings with seat
seat washer washer seat washers washers
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) For double direction bearings, the values apply only for d 2 ≤ 190 mm and D ≤ 360 mm.
2) Applies only to thrust ball bearings and thrust cylindrical roller bearings, each with 90° contact angle.
3) Not applicable for central shaft washers.
4) Not included in ISO 199.
5) ISO 199 uses symbol T.
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