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BEEAARRININGGTOTLOELREARNCAENCES

Table 8. 4 Tolerances for Inch Design Tapered Roller Bearings

(Refer to page A58 Table 8. 1 for the tolerance class "CLASS ** " that is the tolerance classes of ANSI/ABMA.)
Table 8. 4. 1 Tolerances for Inner Ring Bore Diameter

Units : μm T B2
C C
Nominal Bore Diameter & ds C4
B jd jD B4
d jd jD
KBE jd jD
over 1/25.4 incl. 1/25.4 CLASS 4, 2 CLASS 3, 0 CLASS 00
(mm) (mm) high low high low high low KV

- - 76.200 3.0000 + 13 0 +13 0 +8 0
10.5000 + 25 +13 +8
76.200 3.0000 266.700 12.0000 + 25 0 +13 0 - 0
-
266.700 10.5000 304.800 0 0

304.800 12.0000 609.600 24.0000 + 51 0 +25 0 - -
36.0000 + 76 +38 - -
609.600 24.0000 914.400 48.0000 +102 0 +51 0 - -

914.400 36.0000 1 219.200 0 0
- - +127 0 +76 0 - -
1 219.200 48.0000

Table 8. 4. 2 Tolerances for Outer Ring Outside Diameter and Radial Runout of Inner and Outer Rings

Units : μm

Nominal Outside Diameter & Ds K ia , K ea
CLASS 3, 0
D high low CLASS 3
max.
over 1/25.4 incl. 1/25.4 CLASS 4, 2 +13 0 CLASS 00 CLASS 4 CLASS 2 CLASS 0 CLASS 00
(mm) (mm) high low +13 0 high low max. max. max. max.
+25 0
- - 266.700 10.5000 + 25 0 +8 0 51 38 84 2
304.800 12.0000 + 25 0 +38 0 +8 0 2
266.700 10.5000 609.600 24.0000 + 51 0 +51 0 -- 51 38 84
+76 0 51 38 18 - -
304.800 12.0000 --
--
609.600 24.0000 914.400 36.0000 + 76 0 -- 76 51 51 - -
914.400 36.0000 1 219.200 48.0000 +102 0 76 - 76 - -
1 219.200 48.0000 +127 0 76 - 76 - -
- -

Table 8. 4. 3 Tolerances for Overall Width and Combined Width

Nominal Bore Diameter Double-Row Bearings (KBE Type) Units : μ m

d & Ts Four-Row Bearings
(KV Type)
over incl. CLASS 4 CLASS 2 CLASS 3 CLASS 0, 00 CLASS 4 CLASS 2 & B 2s CLASS 0,00
high low D≤508.000 (mm) D>508.000 (mm) high low high low & B 4s , & C 4s
(mm) 1/25.4 (mm) 1/25.4 high low high low high low high low CLASS 3 high low
D≤508.000 (mm) D>508.000 (mm) CLASS 4, 3

high low high low high low

- - 101.600 4.0000 +203 0 +203 0 +203 -203 +203 -203 +203 -203 +406 0 +406 0 +406 -406 +406 -406 +406 -406 +1 524 -1 524
4.0000 304.800 12.0000 +356 -254 +203 0 +203 -203 +203 -203 +203 -203 +711 +406 -203 +406 -406 +406 -406 +406 -406 +1 524 -1 524
101.600 -508

304.800 12.0000 609.600 24.0000 +381 -381 +381 -381 +203 -203 +381 -381 - - +762 -762 +762 -762 +406 -406 +762 -762 - - +1 524 -1 524
- - +381 -381 - - +381 -381 +381 -381 - - +762 -762 -- +762 -762 +762 -762 - - +1 524 -1 524
609.600 24.0000

A 68 A 69