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Home > NEEDLE ROLLER BEARINGS > NEEDLE ROLLER BEARINGS WITHOUT INNER RING 轴径 主要尺寸（mm） 型号 基本额定载荷 极限转速 参考转速 （mm） Fw D C rmin NK RNA49 RNA69 NKS 重量≈g 动CKN 静CoKN r/min r/min 20 20 28 16 0.3 NK 20/16 - - - 27 13 17.5 20000 15000 　 20 28 20 0.3 NK 20/20 - - - 33.9 16.4 23.8 20000 15000 　 20 28 13 0.3 - RNA 4902 - - 21.7 10.6 13.6 22000 14000 　 20 28 23 0.3 - - RNA 6902 - 39.7 17.3 25.5 20000 14000 　 20 32 20 0.6 - - - NKS 20 48.7 23 25 19000 14000 21 21 29 16 0.3 NK 21/16 - - - 28.1 13.5 18.7 20000 15000 　 21 29 20 0.3 NK 21/20 - - - 35.2 17.1 25.5 20000 14000 22 22 30 16 0.3 NK 22/16 - - - 30 14 19.9 19000 14000 　 22 30 20 0.3 NK 22/20 - - - 37 17.7 27 19000 14000 　 22 30 13 0.3 - RNA 4903 - - 22.2 11 14.6 21000 13000 　 22 30 23 0.3 - - RNA 6903 - 42.4 18.6 29 19000 12000 　 22 35 20 0.6 - - - NKS 22 61.5 24.5 28 17000 13000 24 24 32 16 0.3 NK 24/16 - - - 31.9 15 22.3 18000 13000 　 24 32 20 0.3 NK 24/20 - - - 40 19 30.5 18000 13000 　 24 37 20 0.6 - - - NKS 24 65.5 26 31 16000 12000 25 25 33 16 0.3 NK 25/16 - - - 32.6 14.9 22.4 17000 12000 　 25 33 20 0.3 NK 25/20 - - - 42 18.8 30.5 17000 12000 　 25 37 17 0.3 - RNA 4904 - - 52.3 21 25.5 17000 12000 　 25 37 30 0.3 - - RNA 6904 - 100 36 51 16000 11000 　 25 38 20 0.6 - - - NKS 25 68.1 27.5 33.5 16000 11000 26 26 34 16 0.3 NK 26/16 - - - 34 15.3 23.6 16000 12000 　 26 34 20 0.3 NK 26/20 - - - 42 19.4 32 16000 12000 28 28 37 20 0.3 NK 28/20 - - - 52.2 22 34 15000 11000 　 28 37 30 0.3 NK 28/30 - - - 82 33 57 15000 11000 　 28 39 17 0.3 - RNA 49/22 - - 50.2 22.8 29.5 16000 10000 　 28 39 30 0.3 - - RNA 69/22 - 98 37.5 55 15000 10000 　 28 42 20 0.6 - - - NKS 28 83.6 28.5 36.5 14000 10000 29 29 38 20 0.3 NK 29/20 - - - 53.7 21.9 34 15000 11000 　 29 38 30 0.3 NK 29/30 - - - 84.3 32.5 57 15000 10000 30 30 40 20 0.3 NK 30/20 - - - 65 22.6 36 14000 10000 　 30 40 30 0.3 NK 30/30 - - - 97.9 33.5 60 14000 10000 　 30 42 17 0.3 - RNA 4905 - - 61 23.6 31.5 15000 9500 　 30 42 30 0.3 - - RNA 6905 - 112 39 59 14000 9000 　 30 45 22 0.6 - - - NKS 30 104 32 40 13000 10000 32 32 42 20 0.3 NK 32/20 - - - 68 23.1 37.5 13000 10000 　 32 42 30 0.3 NK 32/30 - - - 102 34.5 63 13000 9500 　 32 45 17 0.3 - RNA 49/28 - - 73.2 24.4 33.5 13000 9000 　 32 45 30 0.3 - - RNA 69/28 - 735 40.5 63 13000 8500 　 32 47 22 0.6 - - - NKS 32 110 33.5 43.5 12000 9500 35 35 45 20 0.3 NK 35/20 - - - 73.8 24.3 41.5 12000 9000 　 35 45 30 0.3 NK 35/30 - - - 112 36.5 69 12000 9000 　 35 47 17 0.3 - RNA 4906 - - 69.4 25 35.5 13000 8000 　 35 47 30 0.3 - - RNA 6906 - 126 43.5 71 12000 7500 　 35 50 22 0.6 - - - NKS 35 118 35 47 12000 8500 37 37 47 20 0.3 NK 37/20 - - - 77 24.9 43.5 12000 8500 　 37 47 30 0.3 NK 37/30 - - - 113 37 73 12000 8500 　 37 52 22 0.6 　 - - NKS 37 123 36.5 50 11000 8500 38 38 48 20 0.3 NK 38/20 - - - 79.4 25.5 45 11000 8500 　 38 48 30 0.3 NK 38/30 - - - 116 38 76 11000 8000 40 40 50 20 0.3 NK 40/20 - - - 82.7 26 47 11000 8000 　 40 50 30 0.3 NK 40/30 - - - 125 39 79 11000 8000 　 40 52 20 0.6 - RNA 49/32 - - 89.1 30.5 47.5 12000 7500 　 40 52 36 0.6 - - RNA 69/32 - 162 47 82 11000 7500 　 40 55 22 0.6 - - - NKS 40 129 38 54 10000 7500 42 42 52 20 0.3 NK 42/20 - - - 85.8 36.5 49 10000 8000 　 42 52 30 0.3 NK 42/30 - - - 130 39.5 82 10000 7500 　 42 55 20 0.6 - RNA 4907 - - 107 31.5 50 11000 7000 　 42 55 36 0.6 - - RNA 6907 - 193 48 86 10000 7000 43 43 53 20 0.3 NK 43/20 - - - 86 27 51 10000 7500 　 43 53 30 0.3 NK 43/30 - - - 133 40.5 85 10000 7500 　 43 58 22 0.6 　 - - NKS 43 139 39 57 9500 7500 45 45 55 20 0.3 NK 45/20 - - 　 91.5 27.5 53 10000 7500 　 45 55 30 0.3 NK 45/30 - - 　 139 41 88 10000 7000 　 45 60 22 0.6 　 - - NKS 45 145 40.5 60 9500 7000 47 47 57 20 0.3 NK 47/20 - - - 94.5 28.5 56 9500 7000 　 47 57 30 0.3 NK 47/30 - - - 142 43 94 9500 7000 48 48 62 22 0.6 - RNA 4908 - - 140 43 67 9500 6000 　 48 62 40 0.6 - - RNA 6908 - 256 66 116 9000 6500 50 50 62 25 0.6 NK 50/25 - - - 158 38 74 9000 6500 　 50 62 35 0.6 NK 50/35 - - - 221 50 106 9000 6500 　 50 65 22 1 - - - NKS 50 157 42.5 67 8500 6500 52 52 68 22 0.6 - RNA 4909 - - 182 45 73 8500 6000 　 52 68 40 0.6 - - RNA 6909 - 338 69 127 8000 6000 55 55 68 25 0.6 NK 55/25 - - - 180 40 82 8000 6000 　 55 68 35 0.6 NK 55/35 - - - 250 53 118 8000 6000 　 55 72 22 1 - - - NKS 55 221 45 74 7500 6000 58 58 72 22 0.6 - RNA 4910 - - 163 47 80 8000 5000 　 58 72 40 0.6 - - RNA 6910 - 310 73 139 7500 5000 60 60 72 25 0.6 NK 60/25 - - - 185 42 90 7500 5500 　 60 72 35 0.6 NK 60/35 - - - 258 56 130 7500 5500 　 60 80 28 1.1 - - - NKS 60 335 63 98 7000 5500 63 63 80 25 1 - RNA 4911 - - 255 58 100 7500 4900 　 63 80 45 1 - - RNA 6911 - 470 90 176 7000 4900 65 65 78 25 0.6 NK 65/25 - - - 221 44 98 7000 5500 　 65 78 35 0.6 NK 65/35 - - - 310 59 142 7000 5500 　 65 85 28 1.1 　 - - NKS 65 356 67 108 6500 5000 68 68 82 25 0.6 NK 68/25 - - - 241 43.5 89 6500 5500 　 68 82 35 0.6 NK 68/35 - - - 338 62 139 6500 5000 　 68 85 25 1 - RNA 4912 - - 275 60 108 7000 4500 　 68 85 45 1 - - RNA 6912 - 488 94 191 6500 4500 70 70 85 25 0.6 NK 70/25 - - - 260 44.5 92 6500 5000 　 70 85 35 0.6 NK 70/35 - - - 370 63 144 6500 5000 　 70 90 28 1.1 - - - NKS 70 380 68 113 6000 4900 72 72 90 25 1 - RNA 4913 - - 312 61 112 6500 4300 　 72 90 45 1 - - RNA 6913 - 580 95 198 6000 4300 73 73 90 25 1 NK 73/25 - - - 302 53 100 6000 4900 　 73 90 35 1 NK 73/35 - - - 428 75 156 6000 4700 75 75 92 25 1 NK 75/25 - - - 315 54 104 6000 4800 　 75 92 35 1 NK 75/35 - - - 445 77 162 6000 4600 　 75 95 28 1.1 　 - - NKS 75 402 71 123 6000 4600 80 80 95 25 1 NK 80/25 - - - 301 56 119 5500 4400 　 80 95 35 1 NK 80/35 - - - 425 78 184 5500 4300 　 80 100 30 1 - RNA 4914 - - 460 84 156 6000 4000 　 80 100 54 1 - - RNA 6914 - 857 128 265 5500 3900 85 85 105 25 1 NK 85/25 - - - 425 69 123 5000 4200 　 85 105 35 1 NK 85/35 - - - 600 98 193 5000 4000 　 85 105 30 1 - RNA 4915 - - 489 86 162 5500 3800 　 85 105 54 1 - - RNA 6915 - 935 130 275 5000 3600 90 90 110 25 1 NK 90/25 - - - 450 72 132 4900 4000 　 90 110 35 1 NK 90/35 - - - 630 103 208 4900 3800 　 90 110 30 1 - RNA 4916 - - 516 89 174 5000 3500 　 90 110 54 1 - - RNA 6916 - 987 135 300 4900 3300 95 95 115 26 1 NK 95/26 - - - 490 73 137 4700 3900 　 95 115 36 1 NK 95/36 - 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