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带内圈滚针轴承 NA 4900杭州 宁波 温州滚针轴承能承受较大径向负荷。此类轴承有带内圈和不带内圈,组装G2级滚针,其平均直径的上下偏差在2um以内,采用高刚性保持架,能够正确地引导滚针平行于轴线。 带内圈滚针轴承 Needle Roller Bearings with Inner Ring NA49 系列
轴径 型号 重量 尺寸 基本额定载荷 极限转速 原有型号 Shaft Designation Mass Dimensions Basic Load Ratings Limiting Original Diameter d F D B r 动 Cr 静 Cor Speed Designation Dynamic Static mm g min. kN kN rpm 10 NA 4900 23.0 10 14 22 13 0.3 8.6 9.2 20000 4544900 12 NA 4901 26.0 12 16 24 13 0.3 9.6 10.9 17000 4544901 15 NA 4902 34.0 15 20 28 13 0.3 10.8 13.9 14000 4544902 17 NA 4903 37.0 17 22 30 13 0.3 11.6 15.4 12000 4544903 20 NA 4904 75.2 20 25 37 17 0.3 20.9 25.1 11000 4544904 22 NA 49/22 80.0 22 28 39 17 0.3 23.1 29.1 9500 —— 25 NA 4905 88.0 25 30 42 17 0.3 23.5 30.7 9500 4544905 28 NA 49/28 97.7 28 32 45 17 0.3 24.8 33.2 8500 —— 30 NA 4906 101.0 30 35 47 17 0.3 25.5 35.4 8000 4544906 32 NA 49/32 158.0 32 40 52 20 0.6 31.6 46.8 7000 —— 35 NA 4907 170.0 35 42 55 20 0.6 32.5 51.0 7000 4544907 40 NA 4908 230.0 40 48 62 22 0.6 43.4 66.1 6000 4544908 45 NA 4909 271.0 45 52 68 22 0.6 45.8 72.9 5500 4544909 50 NA 4910 274.0 50 58 72 22 0.6 48.0 80.0 5000 4544910 55 NA 4911 393.0 55 63 80 25 1.0 63.5 110.1 4700 4544911 60 NA 4912 426.0 60 68 85 25 1.0 66.4 119.6 4300 4544912 65 NA 4913 456.0 65 72 90 25 1.0 67.6 124.6 4100 4544913 70 NA 4914 728.0 70 80 100 30 1.0 91.8 169.9 3800 4544914 75 NA 4915 775.0 75 85 105 30 1.0 95.8 183.3 3600 4544915 80 NA 4916 878.0 80 90 110 30 1.0 97.3 190.4 3400 4544916 85 NA 4917 1250.0 85 100 120 35 1.1 119.0 255.2 3100 4544917 90 NA 4918 1312.0 90 105 125 35 1.1 120.6 263.7 3000 4544918 95 NA 4919 1371.0 95 110 130 35 1.1 124.7 279.7 2800 4544919 100 NA 4920 1900.0 100 115 140 40 1.1 151.4 313.9 2900 4544920 110 NA 4922 2070.0 110 125 150 40 1.1 152.8 326.1 2600 4544922 120 NA 4924 2860.0 120 135 165 45 1.1 208.0 425.3 2300 4544924 130 NA 4926 3014.0 130 150 180 50 1.5 233.0 508.9 2000 4544926 140 NA 4928 2860.0 140 160 190 50 1.5 241.3 543.9 1700 4544928
带内圈滚针轴承 Needle Roller Bearings with Inner Ring NA49 系列 | |
轴径 | 型号 | 重量 | 尺寸 | 基本额定载荷 | 极限转速 | 原有型号 | |||||
Shaft | Designation | Mass | Dimensions | Basic Load Ratings | Limiting | Original | |||||
Diameter | d | F | D | B | r | 动 Cr | 静 Cor | Speed | Designation | ||
Dynamic | Static | ||||||||||
mm | g | min. | kN | kN | rpm | ||||||
10 | NA 4900 | 23.0 | 10 | 14 | 22 | 13 | 0.3 | 8.6 | 9.2 | 20000 | 4544900 |
12 | NA 4901 | 26.0 | 12 | 16 | 24 | 13 | 0.3 | 9.6 | 10.9 | 17000 | 4544901 |
15 | NA 4902 | 34.0 | 15 | 20 | 28 | 13 | 0.3 | 10.8 | 13.9 | 14000 | 4544902 |
17 | NA 4903 | 37.0 | 17 | 22 | 30 | 13 | 0.3 | 11.6 | 15.4 | 12000 | 4544903 |
20 | NA 4904 | 75.2 | 20 | 25 | 37 | 17 | 0.3 | 20.9 | 25.1 | 11000 | 4544904 |
22 | NA 49/22 | 80.0 | 22 | 28 | 39 | 17 | 0.3 | 23.1 | 29.1 | 9500 | —— |
25 | NA 4905 | 88.0 | 25 | 30 | 42 | 17 | 0.3 | 23.5 | 30.7 | 9500 | 4544905 |
28 | NA 49/28 | 97.7 | 28 | 32 | 45 | 17 | 0.3 | 24.8 | 33.2 | 8500 | —— |
30 | NA 4906 | 101.0 | 30 | 35 | 47 | 17 | 0.3 | 25.5 | 35.4 | 8000 | 4544906 |
32 | NA 49/32 | 158.0 | 32 | 40 | 52 | 20 | 0.6 | 31.6 | 46.8 | 7000 | —— |
35 | NA 4907 | 170.0 | 35 | 42 | 55 | 20 | 0.6 | 32.5 | 51.0 | 7000 | 4544907 |
40 | NA 4908 | 230.0 | 40 | 48 | 62 | 22 | 0.6 | 43.4 | 66.1 | 6000 | 4544908 |
45 | NA 4909 | 271.0 | 45 | 52 | 68 | 22 | 0.6 | 45.8 | 72.9 | 5500 | 4544909 |
50 | NA 4910 | 274.0 | 50 | 58 | 72 | 22 | 0.6 | 48.0 | 80.0 | 5000 | 4544910 |
55 | NA 4911 | 393.0 | 55 | 63 | 80 | 25 | 1.0 | 63.5 | 110.1 | 4700 | 4544911 |
60 | NA 4912 | 426.0 | 60 | 68 | 85 | 25 | 1.0 | 66.4 | 119.6 | 4300 | 4544912 |
65 | NA 4913 | 456.0 | 65 | 72 | 90 | 25 | 1.0 | 67.6 | 124.6 | 4100 | 4544913 |
70 | NA 4914 | 728.0 | 70 | 80 | 100 | 30 | 1.0 | 91.8 | 169.9 | 3800 | 4544914 |
75 | NA 4915 | 775.0 | 75 | 85 | 105 | 30 | 1.0 | 95.8 | 183.3 | 3600 | 4544915 |
80 | NA 4916 | 878.0 | 80 | 90 | 110 | 30 | 1.0 | 97.3 | 190.4 | 3400 | 4544916 |
85 | NA 4917 | 1250.0 | 85 | 100 | 120 | 35 | 1.1 | 119.0 | 255.2 | 3100 | 4544917 |
90 | NA 4918 | 1312.0 | 90 | 105 | 125 | 35 | 1.1 | 120.6 | 263.7 | 3000 | 4544918 |
95 | NA 4919 | 1371.0 | 95 | 110 | 130 | 35 | 1.1 | 124.7 | 279.7 | 2800 | 4544919 |
100 | NA 4920 | 1900.0 | 100 | 115 | 140 | 40 | 1.1 | 151.4 | 313.9 | 2900 | 4544920 |
110 | NA 4922 | 2070.0 | 110 | 125 | 150 | 40 | 1.1 | 152.8 | 326.1 | 2600 | 4544922 |
120 | NA 4924 | 2860.0 | 120 | 135 | 165 | 45 | 1.1 | 208.0 | 425.3 | 2300 | 4544924 |
130 | NA 4926 | 3014.0 | 130 | 150 | 180 | 50 | 1.5 | 233.0 | 508.9 | 2000 | 4544926 |
140 | NA 4928 | 2860.0 | 140 | 160 | 190 | 50 | 1.5 | 241.3 | 543.9 | 1700 | 4544928 |