Page 47 - Rollingbearings

Tolerance values
Table 9
Tolerances for inch tapered roller bearings

Inner ring
d t Δdmp t Kia , t Sia
Tolerance classes
Normal, CL2 CL3, CL0
> ≤ U L U L
mm μm μm

– 76,2 +13 0 +13 0 Values are given in outer ring table
76,2 101,6 +25 0 +13 0
101,6 266,7 +25 0 +13 0
266,7 304,8 +25 0 +13 0 Tolerances
304,8 609,6 +51 0 +25 0
609,6 914,4 +76 0 +38 0
A.2

Outer ring

D t ΔDmp t Kia , t Kea , t Sia , t Sea t Kea
Tolerance classes Tolerance classes Tolerance class
Normal, CL2 CL3, CL0 Normal CL2 CL3 CL0 CL7C
> ≤ H L H L
mm μm μm μm

– 304,8 +25 0 +13 0 51 38 8 4 † table 5,
304,8 609,6 +51 0 +25 0 51 38 18 9 page 41
609,6 914,4 +76 0 +38 0 76 51 51 26

Abutment width of single row bearings
d D t ΔTs
Tolerance classes
Normal CL2 CL3, CL0
> ≤ > ≤ U L U L U L

mm mm μm

– 101,6 – – +203 0 +203 0 +203 –203
101,6 266,7 – – +356 –254 +203 0 +203 –203
266,7 304,8 – – +356 –254 +203 0 +203 –203
304,8 609,6 – 508 +381 –381 +381 –381 +203 –203
304,8 609,6 508 – +381 –381 +381 –381 +381 –381
609,6 – – – +381 –381 – – +381 –381

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