R series: Bearing No. Boundary Dimensions(mm) Basic load ratings(KN) WEIGHT Kg d D B DYNAMIC Cr STATIC Cor OPEN ZZ/2RS R133 2.380 4.762 1.588 2.380 0.188 0.060 0.0001 R1-5 2.380 7.938 2.779 3.571 0.550 0.175 0.0006 R144 3.175 6.350 2.380 2.779 0.283 0.095 0.00025 R2-5 3.175 7.938 2.779 3.571 0.560 0.179 0.00055 R2-6 3.175 9.525 2.779 3.571 0.640 0.225 0.00096 R2 3.175 9.525 30967 3.967 0.630 0.218 0.00136 R2A 3.175 12.700 4.366 4.366 0.640 0.225 0.0033 R155 3.967 7.938 2.779 3.175 0.360 0.149 0.00051 R156 4.762 7.938 2.779 3.175 0.360 0.149 0.00039 R166 4.762 9.525 3.175 3.175 0.710 0.270 0.00081 R3 4.762 12.700 3.967 4.978 1.300 0.485 0.00221 R168 6.350 9.525 3.175 3.175 0.375 0.173 0.00057 R188 6.350 12.700 3.175 4.762 1.080 0.440 0.00153 R4 6.350 15.875 4.978 4.978 1.480 0.615 0.00446 R4A 6.350 19.050 5.558 7.142 2.340 0.885 0.00748 R4B 6.350 15.875 4.978 4.978 1.610 0.660 0.0045 R1810 7.938 12.700 3.967 3.967 0.540 0.276 0.00156 R6 9.525 22.225 5.558 7.142 3.350 0.141 0.00902 R8 12.7 28.575 6.125 7.938 3.934 2.072 0.0150 R10 15.875 34.925 7.142 8.733 4.299 2.529 0.0280 R12 19.05 41.275 7.938 11.113 6.090 3.845 0.0430 R14 22.225 47.625 9.525 12.7 7.219 4.539 0.0710 R16 25.4 50.8 9.525 12.7 7.721 5.179 0.0850 R18 28.575 53.975 9.525 12.7 8.237 5.179 0.0850 R20 31.75 57.15 9.525 12.7 8.606 6.472 0.0940 R22 34.925 63.5 11.112 14.288 12.47 8.66 0.129 R24 38.1 66.675 11.112 14.288 12.47 8.66 0.137