>> P.430
Radial internal clearanceThe standard ts of Crossed Roller Bearings are shown in Table 13.1, and recommended fits for Slim Type Crossed Roller Bearings with normal clearances are shown in Table 13.2. For Super Slim Type Crossed Roller Bearings, it is recommended to use a slight inter-ference t adjusted to the actual measured dimensions. For large bearings, t based on the actual measured dimensions of the bearings is recommended, and fit allowance should be chosen as small as possible in accordance with the tolerance class given in Table 13.1. When complex loads or shock loads are applied or when high rotational accuracy and rigidity of the bearing are required, it is recommended to use a slight interference t adjusted to the actual measured dimen-sions for both inner and outer rings.For the interference fit, the radial internal clearance after the t decreases by approximately 70% to 90% of the interference amount. To avoid excessive pre-load due to t, it is recommended to use a slight inter-ference fit adjusted to the actual measured dimen-sions for both T1 and C1 clearances.T1 C1C2Min.Max.Min.Max.Min.Max.1010101515152020101010151515202020202530353545500000000000000000-10-10-10-10-10-15-15-15dNominal bore diametermmOver - 20 25 35 65 80 95110Incl. 20 25 35 65 80 95110125Table 12.4 adial internal clearances of CRBFVunit: μm■FitTable 13.1 Recommended fits for Crossed Roller Bearings under normal load Tolerance classRadial internal clearanceInner ring rotating load Outer ring rotating load T1 clearanceC1 clearanceC2 clearanceShaftg5h5j5Housing boreH7H7H7Shaftg5g5g5Housing boreJ7(1)J7(1)J7(1)Note(1)It is recommended that a slight interference t adjusted to the actual measured dimensions of the bearing is used.Table 13.2 Recommended fits for CRBS with normal clearances (Dimensional tolerances of shaft and housing bore)unit: μmInner ring rotating loadOuter ring rotating loadShaftHousing boreShaftHousing boreLow0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0High+13+13+15+15+15+15+20+20+25+25+25+25+30+30+30+30Low0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0High-15 -15 -15 -20 -20 -20 -20 -25 -25 -25 -25 -25 -25 -30 -30 -30Low-30 -30 -30 -40 -40 -40 -40 -50 -50 -50 -50 -50 -50 -60 -60 -60High-13 -13 -15 -15 -15 -15 -20 -20 -25 -25 -25 -25 -30 -30 -30 -30Low-25 -25 -30 -30 -30 -30 -40 -40 -50 -50 -50 -50 -60 -60 -60 -60dNominal bore diametermm 50 60 70 80 90100 110 120 130 140 150 160 170 180 190 200J11High+15+15+15+20+20+20+20+25+25+25+25+25+25+30+30+30
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