Page 680 - Rollingbearings

8 Tapered roller bearings
Table 4
Deviating width tolerances of cups and cones for inch bearings
Designation sufix Width tolerance 1)
t ΔTs
U L
– μm

/1 +25 0
/1A +38 +12
/-1 0 –25
/11 +25 –25

/2 +50 0
/2B +75 +25
/2C +88 +37
/-2 0 –50
/22 +50 –55
/3 +75 0
/-3 0 –75
/4 +100 0

1) The total width tolerance for a complete bearing is equal to the sum of the tolerances for the cup and cone.

Table 5
Total width tolerances of matched metric single row tapered roller bearings

Bore Total width tolerance Δ TsD of matched bearings in the series
diameter 329 320 330 331 302, 322 332 303, 323 313
d Δ TsD Δ TsD Δ TsD Δ TsD Δ TsD Δ TsD Δ TsD Δ TsD
> ≤ U L U L U L U L U L U L U L U L
mm μm
8
– 30 – – +550 +50 – – – – +550 +100 +550 +100 +600 +100 +500 +50
30 40 +600 +150 +550 +100 – – +600 +100 +600 +100 +600 +100 +600 +100 +550 +50
40 50 +650 +150 +600 +100 +650 +150 +600 +100 +600 +100 +600 +100 +600 +150 +550 +50

50 65 +650 +200 +600 +100 +650 +200 +600 +150 +600 +150 +600 +150 +650 +150 +550 +100
65 80 +700 +200 +600 +150 +700 +250 +650 +150 +650 +150 +650 +150 +700 +200 +600 +100
80 100 +750 –150 +650 –250 +800 –50 +700 -200 +700 –200 +700 -200 +700 –200 +600 –300
100 120 +750 –150 +700 –200 +800 –100 +700 -200 +700 –200 +700 -200 +750 –150 +600 –300
120 140 +1 100 –200 +1 000 –300 +1 100 –200 – – +1 000 –300 – – +1 100 –200 +950 –350
140 160 +1 150 –150 +1 050 –250 +1 100 –200 – – +1 050 –250 – – +1 150 –150 +950 –350
160 180 +1 150 –150 +1 100 –200 – – – – +1 100 –200 – – +1 150 –150 – –
180 190 +1 150 –150 +1 100 –200 – – – – +1 100 –200 – – +1 200 –100 – –
190 200 +1 150 –150 +1 100 –200 – – – – +1 100 –200 – – +1 200 –100 – –
200 225 +1 200 –100 +1 150 –150 – – – – +1 150 –150 – – +1 250 –50 – –
225 250 +1 200 –100 +1 200 –100 – – – – +1 200 –100 – – +1 300 0 – –
250 280 +1 300 0 +1 250 –50 – – – – +1 250 –50 – – – – – –
280 300 +1 400 +100 +1 300 0 – – – – +1 300 0 – – – – – –
300 315 +1 400 +100 +1 350 +50 – – – – +1 350 +50 – – – – – –
315 340 +1 500 –200 +1 450 –250 – – – – +1 450 –250 – – – – – –

Δ TsD designates the deviation of a single total abutment width of a matched bearing set from the nominal.

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