>> P.36
Table 14 Tolerances for smallest single roller set Table 15 Permissible limit values for chamfer bore diameter Fws min(1) unit: μmdimensions of radial bearings unit: mmdNominal bore diameterrs maxLargest permissible single chamfer dimensionOverIncl.Radial directionAxial direction 0.55(2) 0.55(2) 0.6 (2) 0.7 (2) 0.6 0.8 0.8 (2) 1 0.8 0.8 1.1 (2) 1.3 1.5 1.9 2 2.5 2.3 3 3 3.5 3.8 4 4.5 3.8 4.5 5 5 5.5 6.5 810 1 1.2 2 2 3 3 3.5 4 4 5 4.5 5 6 6.5 7 6 6 7 8 8 91013─── 40── 40─ 50─120─120─ 80220─280─100280─280──────── 40── 40─ 50─120─120─ 80220─280─100280─280───rs minSmallest permissible single chamfer dimension0.10.150.20.30.4(1)0.611.11.522.12.5(1)3456Note(1)Not specied in JIS.(2)The numeric value differs from JIS.Remark Although the exact shape of the chamfer is not specied, its prole in the axial plane must not extend beyond the imaginary circular arc of radius rs min which is tangential to the inner ring side surface and bearing bore surface or to the outer ring side surface and bearing outside sur-face. (See Fig. 12.)FwNominal roller set bore diametermm∆Fws minDeviation of smallest single roller set bore diameter Over 3 6 10 18 30 50 80120180250315400Incl. 6 10 18 30 50 80120180250315400500High + +++++++++18222733414958687988+98+108Low+10+13+16+20+25+30+36+43+50+56+62+68Note(1)This is the diameter of the cylinder used instead of the inner ring, where the radial clearance becomes 0 at least in one radial direction. (Radial direction)rs maxrs minouter ringinner ring or Side surface of rsminBearing bore or bearing outside surfacers minrs max(Axial direction)Fig. 12 Permissible values for chamfer dimensionsA33
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