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Home > NEEDLE ROLLER BEARINGS > NEEDLE ROLLER BEARINGS WITH 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） d F D B r    min s1） NKI NA49 NA69 NKIS 重量≈g 动 CKN 静KN r/min r/min 5 5 8 15 12 0.3 1.5 2+NKI  5/12 TN - - - 11.5 3.95 4.1 32000 38000 　 5 8 15 16 0.3 2 2+NKI  5/16 TN - - - 15.3 5.1 5.8 32000 37000 6 6 9 16 12 0.3 1.5 2+NKI  6/12 TN - - - 13.5 4.5 5 30000 33000 　 6 9 16 16 0.3 2 2+NKI  6/16 TN - - - 17.4 5.9 7.1 30000 33000 7 7 10 17 12 0.3 1.5 2+NKI  7/12 TN - - - 13.7 4.75 5.5 29000 30000 　 7 10 17 16 0.3 2 2+NKI 7/16 TN - - - 18.2 6.2 7.8 29000 30000 9 9 12 19 12 0.3 1.5 2+NKI  9/12 - - - 16.6 6.4 7.1 27000 24000 　 9 12 19 16 0.3 2 2+NKI 9/16 - - - 21.9 9 11 27000 23000 10 10 14 22 16 0.3 0.5 2+NKI 10/16 - - - 29.4 10.1 11.5 25000 19000 　 10 14 22 20 0.3 0.5 2+NKI  10/20 - - - 37.1 12.8 15.6 25000 19000 　 10 14 22 13 0.3 0.5 - NA 4900 - - 23 8.5 9.2 25000 20000 12 12 16 24 16 0.3 0.5 2+NKI  12/16 - - - 33.3 11.3 13.9 24000 17000 　 12 16 24 20 0.3 0.5 2+NKI 12/20 - - - 41.9 14.4 18.8 24000 17000 　 12 16 24 13 0.3 0.5 - NA 4901 - - 26 9.4 10.9 24000 17000 　 12 16 24 22 0.3 1 - - NA 6901 - 46 16 21.6 24000 16000 15 15 19 27 16 0.3 0.5 2+NKI  15/16 - - - 38.8 13 17.4 22000 14000 　 15 19 27 20 0.3 0.5 2+NKI 15/20 - - - 48.7 16.5 23.6 22000 14000 　 15 20 28 13 0.3 0.5 - NA 4902 - - 34 10.6 13.6 22000 14000 　 15 20 28 23 0.3 1 - - NA 6902 - 63.6 17.3 25.5 22000 13000 　 15 22 35 20 0.6 0.5 - - - NKIS 15 92 24.5 28 20000 11000 17 17 21 29 16 0.3 0.5 2+NKI  17/16 - - - 42.4 13.5 18.7 21000 13000 　 17 21 29 20 0.3 0.5 2+NKI  17/20 - - - 53.4 17.1 25.5 21000 13000 　 17 22 30 13 0.3 0.5 - NA 4903 - - 37 11 14.6 21000 12000 　 17 22 30 23 0.3 1 - - NA 6903 - 72 18.6 29 21000 11000 　 17 24 37 20 0.6 0.5 - - - NKIS 17 98 26 31 18000 10000 -back- 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