Ball and Roller Bearings

Cylindrical Roller Bearingsrar1ar1araDa dcda dd dcde DbdbDbDynamic equivalentradial loadPrFrStatic equivalentradial loadPorFrDimensions Abutment and fillet dimensions Massmm mm kgtype da db dc dd de Da Db ras r1as type NU type NNF Fw Ew J min min max min min max max min max max (approx.) 52.5 67.5 55.5 49 50 52 54 56 70 71 68.5 1 0.6 0.28 0.276NF 55 75 59 51.5 51.5 54 57 61 78.5 78.5 77 1 1 0.432 0.423 54.5 58.9 51.5 54 57 61 78.5 1 1 0.495 55 75 59 51.5 51.5 54 57 61 78.5 78.5 77 1 1 0.53 0.52 54.5 58.9 51.5 54 57 61 78.5 1 1 0.6 NF 58.5 86.5 64 53 53 57 60 66 92 92 89 1.5 1.5 0.877 0.857 58.5 64.5 53 57 60 66 92 1.5 1.5 0.996 58.5 86.5 64 53 53 57 60 66 92 92 89 1.5 1.5 1.27 1.24 58.5 64.5 53 57 60 66 92 1.5 1.5 1.41 NF 64.5 100.5 71.8 54 54 63 66 74 111 111 102 2 2 1.62 1.58 57.5 72.5 60.5 54 55 57 59 61 75 76 73.5 1 0.6 0.295 0.291NF 60.4 80.4 64.6 56.5 56.5 58 62 67 83.5 83.5 83 1 1 0.47 0.46 59.5 63.9 56.5 58 62 67 83.5 1 1 0.54 60.4 80.4 64.6 56.5 56.5 58 62 67 83.5 83.5 83 1 1 0.571 0.56 59.5 63.9 56.5 58 62 67 83.5 1 1 0.652 NF 65 95 71 59 59 63 67 73 101 101 98 2 2 1.14 1.11 65 71.4 59 63 67 73 101 2 2 1.3 65 95 71 59 59 63 67 73 101 101 98 2 2 1.7 1.67 65 71.4 59 63 67 73 101 2 2 1.9 NF 70.8 110.8 78.8 61 61 69 73 81 119 119 112 2 2 2.02 1.97 64.5 80.5 67.7 60 61.5 63 66 68.5 83.5 85 81.5 1 1 0.442 0.435NF 66.5 88.5 70.8 61.5 63 65 68 73 92 93.5 91 1.5 1 0.638 0.626 66 70.8 61.5 65 68 73 92 1.5 1 0.718 66.5 88.5 70.8 61.5 63 65 68 73 92 93.5 91 1.5 1 0.773 0.758 66 70.8 61.5 65 68 73 92 1.5 1 0.968 NF 70.5 104.5 77.2 64 64 69 72 80 111 111 107 2 2 1.45 1.42 70.5 77.7 64 69 72 80 111 2 2 1.65 70.5 104.5 77.2 64 64 69 72 80 111 111 107 2 2 2.17 2.13 70.5 77.7 64 69 72 80 111 2 2 2.37 NF 77.2 117.2 85.2 66 66 76 79 87 129 129 119 2 2 2.48 2.42 69.5 85.5 72.7 65 66.5 68 71 73.5 88.5 90 86.5 1 1 0.474 0.467NF 73.5 97.5 78.4 68 68 71 75 80 102 102 100 1.5 1.5 0.818 0.802 72 77.6 68 71 75 80 102 1.5 1.5 0.923 73.5 97.5 78.4 68 68 71 75 80 102 102 100 1.5 1.5 1.06 1.04Does not apply to side of the outer ring rib of type NF bearings.B-83