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RA Crossed Roller Bearings

Features : RA series crossed roller bearings, Split outer ring, intergrated inner ring, Ultra thin
Inner Diameter: 50-200mm Outer Diameter: 66-226mm
Width: 8-13mm Weight: 0.08-0.71kg Precision: P5, P4, P2
High rigidity: This series bearing have preload
High load: Can bear double-direction axial load, radial load and tilting moment
Small size: This series bearing can save space for machine tools
HRA series cross roller bearing is a kind of small size and light weight cross roller bearing which the wall thickness is thinner. it is small and can with stand heavy load. So bearing housing and presser flange can be light wight. It can be suited for the hand location of the robots used in the rotary location
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Technical data
Designation Main dimensions Roller pitch circle diameter  Chamfer Shoulder height Basic load rating (radial) Mass Equivalent
inner ring outer ring width B /B1
d(mm) D(mm) (mm) dp (mm) r(min) ds Dh C(kN) C0(kN) kg THK
HRA5008 50 66 8 57 0.5 53.5 60.5 5.1 7.19 0.08 RA5008
HRA6008 60 76 8 67 0.5 63.5 70.5 5.68 8.68 0.09 RA6008
HRA7008 70 86 8 77 0.5 73.5 80.5 5.98 9.8 0.1 RA7008
HRA8008 80 96 8 87 0.5 83.5 90.5 6.37 11.3 0.11 RA8008
HRA9008 90 106 8 97 0.5 93.5 100.5 6.76 12.4 0.12 RA9008
HRA10008 100 116 8 107 0.5 103.5 110.5 7.15 13.9 0.14 RA10008
HRA11008 110 126 8 117 0.5 113.5 120.5 7.45 15 0.15 RA11008
HRA12008 120 136 8 127 0.5 123.5 130.5 7.84 16.5 0.17 RA12008
HRA13008 130 146 8 137 0.5 133.5 140.5 7.94 17.6 0.18 RA13008
HRA14008 140 156 8 147 0.5 143.5 150.5 8.33 19.1 0.19 RA14008
HRA15008 150 166 8 157 0.5 153.5 160.5 8.82 20.6 0.2 RA15008
HRA16013 160 186 13 172 0.5 165 179 23.3 44.9 0.59 RA16013
HRA17013 170 196 13 182 0.8 175 189 23.5 46.5 0.64 RA17013
HRA18013 180 206 13 192 0.8 185 199 24.5 49.8 0.68 RA18013
HRA19013 190 216 13 202 0.8 195 209 24.9 51.5 0.69 RA19013
HRA20013 200 226 13 212 0.8 205 219 25.8 54.7 0.71 RA20013

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