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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 RNA49 RNA48 重量≈ 动 CKN 静 CoKN r/min r/min 115 115 140 40 1.1 RNA 4920 - 1150 128 270 4100 2900 120 120 140 30 1 - RNA 4822 670 94 216 3800 2700 125 125 150 40 1.1 RNA 4922 - 1240 132 290 3800 2600 130 130 150 30 1 - RNA 4824 730 99 239 3500 2500 135 135 165 45 1.1 RNA 4924 - 1860 181 390 3400 2300 145 145 165 35 1.1 - RNA 4826 990 118 310 3200 2200 150 150 180 50 1.5 RNA 4926 - 2210 203 470 3200 2100 155 155 175 35 1.1 - RNA 4828 1050 120 325 3000 2000 160 160 190 50 1.5 RNA 4928 - 2350 209 500 3000 1900 165 165 190 40 1.1 - RNA 4830 1600 152 400 2800 1900 175 175 200 40 1.1 - RNA 4832 1700 160 435 2600 1700 185 185 215 45 1.1 - RNA 4834 2540 185 510 2500 1600 195 195 225 45 1.1 - RNA 4836 2680 194 550 2300 1500 210 210 240 50 1.5 - RNA 4838 3210 227 690 2200 1300 220 220 250 50 1.5 - RNA 4840 3350 230 720 2100 1300 240 240 270 50 1.5 - RNA 4844 3620 243 790 1900 1100 265 265 300 60 2 - RNA 4848 5400 355 1080 1700 950 285 285 320 60 2 - RNA 4852 5800 370 1160 1600 900 305 305 350 69 2 - RNA 4856 9300 450 1300 1500 850 330 330 380 80 2.1 - RNA 4860 12700 620 1770 1400 750 350 350 400 80 2.1 - RNA 4864 13400 630 1850 1300 700 370 370 420 80 2.1 - RNA 4868 14000 640 1940 1200 650 390 390 440 80 2.1 - RNA 4872 14800 660 2020 1200 600 415 415 480 100 2.1 - RNA 4876 26000 1000 2900 1100 500 -back- 1 · 2 · 3 · 4 Main Ball Bearing-SWC Navigation About SWC || Corporate Email || Request Catalog || Testing Services || Technical Info || Sales Office || Available Bearings || Secondary Ball Bearing Navigation Technical Contents || Bearings Overview || Material || Cages || Shields and Seals || Bearing Geometry || Tolerances || Lubrication || Load Rating and Bearing Life || Torque || Noise || Mounting and Fitting || Preload || Bearing Handing || Adhesive Practices || Assembly Characteristics || Bearing Subassemblies || Design Services || Mechanical Testing Laboratory || Useful Conversions || SWC Copyright 2006　　Power by Hahoo