詳細(xì)介紹
帶內(nèi)圈滾針軸承 needle roller bearings with inner ring na49 系列 |
軸徑 shaft diameter mm | 型號(hào) designation | 重量 mass g | 尺寸dimensions | 基本額定載荷 basic load ratings | 極限轉(zhuǎn)速 limiting speed rpm | 原有型號(hào) original designation | |||||
d | f | d | b | r min. | 動(dòng) cr dynamic | 靜 cor static | |||||
mm | n | ||||||||||
10 | na4900 | 23 | 10 | 14 | 22 | 13 | 0.3 | 8.5 | 9.2 | 25000 | 4544900 |
12 | na4901 | 26 | 12 | 16 | 24 | 13 | 0.3 | 9.4 | 10.9 | 24000 | 4544901 |
15 | na4902 | 34 | 15 | 20 | 28 | 13 | 0.3 | 10.6 | 13.6 | 22000 | 4544902 |
17 | na4903 | 37 | 17 | 22 | 30 | 13 | 0.3 | 11 | 14.6 | 21000 | 4544903 |
20 | na4904 | 75.2 | 20 | 25 | 37 | 17 | 0.3 | 21 | 25.5 | 17000 | 4544904 |
22 | na49/22 | 80 | 22 | 28 | 39 | 17 | 0.3 | 22.8 | 29.5 | 16000 | -- |
25 | na4905 | 88 | 25 | 30 | 42 | 17 | 0.3 | 23.6 | 31.5 | 15000 | 4544905 |
28 | na49/28 | 97.7 | 28 | 32 | 45 | 17 | 0.3 | 24.4 | 33.5 | 13000 | -- |
30 | na4906 | 101 | 30 | 35 | 47 | 17 | 0.3 | 2.50 | 35.5 | 13000 | 4544906 |
32 | na49/32 | 158 | 32 | 40 | 52 | 20 | 0.6 | 30.5 | 47.5 | 12000 | -- |
35 | na4907 | 170 | 35 | 42 | 55 | 20 | 0.6 | 31.5 | 50 | 10000 | 4544907 |
40 | na4908 | 230 | 40 | 48 | 62 | 22 | 0.6 | 43 | 67 | 9500 | 4544908 |
45 | na4909 | 271 | 45 | 52 | 68 | 22 | 0.6 | 45 | 73 | 8500 | 4544909 |
50 | na4910 | 274 | 50 | 58 | 72 | 22 | 0.6 | 47 | 80 | 8000 | 4544910 |
55 | na4911 | 393 | 55 | 63 | 80 | 25 | 1 | 58 | 100 | 7500 | 4544911 |
60 | na4912 | 426 | 60 | 68 | 85 | 25 | 1 | 60 | 108 | 7000 | 4544912 |
65 | na4913 | 456 | 65 | 72 | 90 | 25 | 1 | 61 | 112 | 6500 | 4544913 |
70 | na4914 | 728 | 70 | 80 | 100 | 30 | 1 | 84 | 156 | 6000 | 4544914 |
75 | na4915 | 775 | 75 | 85 | 105 | 30 | 1 | 86 | 162 | 5500 | 4544915 |
80 | na4916 | 878 | 80 | 90 | 110 | 30 | 1.1 | 89 | 174 | 5000 | 4544916 |
85 | na4917 | 1250 | 85 | 100 | 120 | 35 | 1.1 | 111 | 237 | 4800 | 4544917 |
90 | na4918 | 1312 | 90 | 105 | 125 | 35 | 1.1 | 114 | 250 | 4600 | 4544918 |
95 | na4919 | 1371 | 95 | 110 | 130 | 35 | 1.1 | 116 | 260 | 4400 | 4544919 |
100 | na4920 | 1900 | 100 | 115 | 140 | 40 | 1.1 | 128 | 270 | 4100 | 4544920 |
110 | na4922 | 2070 | 110 | 125 | 150 | 40 | 1.1 | 132 | 290 | 3800 | 4544922 |
120 | na4924 | 2860 | 120 | 135 | 165 | 45 | 1.1 | 181 | 390 | 3400 | 4544924 |