Page 43 - Rollingbearings

Tolerance values
Table 5
Normal and CL7C class tolerances for metric tapered roller bearings

Inner ring, bearing width and ring widths
d t ∆dmp t Vdsp t Vdmp t ∆Bs t Kia t ∆Ts t ∆T1s t ∆T2s
Tolerance classes
Normal CL7C 1)
> ≤ U L U L U L U L U L
mm µm µm µm µm µm µm µm µm

10 18 0 –12 12 9 0 –120 15 7 200 0 100 0 100 0
18 30 0 –12 12 9 0 –120 18 8 200 0 100 0 100 0
30 50 0 –12 12 9 0 –120 20 10 200 0 100 0 100 0
50 80 0 –15 15 11 0 –150 25 10 200 0 100 0 100 0 Tolerances
80 120 0 –20 20 15 0 –200 30 13 200 –200 100 –100 100 –100
120 180 0 –25 25 19 0 –250 35 – 350 –250 150 –150 200 –100
180 250 0 –30 30 23 0 –300 50 – 350 –250 150 –150 200 –100
250 315 0 –35 35 26 0 –350 60 – 350 –250 150 –150 200 –100 A.2
315 400 0 –40 40 30 0 –400 70 – 400 –400 200 –200 200 –200

Outer ring
D t ∆Dmp t VDsp t VDmp t ∆Cs t Kea
Tolerance classes
Normal CL7C 1)
> ≤ U L U L
mm µm µm µm µm µm

18 30 0 –12 12 9 0 –120 18 9
30 50 0 –14 14 11 0 –120 20 10
50 80 0 –16 16 12 0 –150 25 13
80 120 0 –18 18 14 0 –200 35 18
120 150 0 –20 20 15 0 –250 40 20
150 180 0 –25 25 19 0 –250 45 23
180 250 0 –30 30 23 0 –300 50 –
250 315 0 –35 35 26 0 –350 60 –
315 400 0 –40 40 30 0 –400 70 –
400 500 0 –45 45 34 0 –450 80 –
500 630 0 –50 60 38 0 –500 100 –
630 800 0 –75 80 55 0 –750 120 –

1) Tolerances are not in accordance with any ISO tolerance class and are for high-performance design tapered roller bearings.

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