RADIAL INTERNAL CLEARANCES

SELF-ALIGNING BALL BEARINGS - TAPERED BORE (K)

Bore Diameter       Radial Internal Clearance (Inch)
d C/2       STANDARD       C/3       C/4
(Metric)   (No Marking)   C0      
Over Incl. min. max. min. max. min. max. min. max.
         
3 10    - -    - -    - -    - -
10 18 - - - - - - - -
18 30 .00025 .00065 .00045 .0010 .00075 .00135 .0010 .0018
30 40 .0004 .0008 .0006 .00125 .0010 .0017 .0014 .0022
40 50 .0005 .0009 .00075 .0014 .0012 .0019 .0016 .0024
50 65 .0006 .00115 .00095 .0017 .0015 .0023 .0021 .0031
65 80 .0008 .0014 .0012 .0020 .00185 .0028 .0026 .0038
80 100 .0011 .00175 .00155 .0025 .0023 .0034 .0026 .0042
100 120 .0013 .0020 .0020 .0030 .0028 .0040 .0035 .0055
120 140 .00145 .0025 .0024 .0035 .0032 .0051 .0044 .0066
140 160 .00155 .0028 .0026 .0040 .0036 .0058 .0051 .0075