΄ψΔΪΘ¦ΉφΥλΦα³Π Needle Roller Bearings with Inner Ring NA49 Ο΅ΑΠ |
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ΦαΎΆ | ΠΝΊΕ | ΦΨΑΏ | ³ί΄η | »ω±ΎΆξΆ¨ΤΨΊΙ | Ό«ΟήΧͺΛΩ | ΤΣΠΠΝΊΕ | |||||
Shaft | Designation | Mass | Dimensions | Basic Load Ratings | Limiting | Original | |||||
Diameter | ‘‘ | ‘‘ | d | F | D | B | r | Ά― Cr | Ύ² 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 | ‘ͺ‘ͺ |
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 | ‘ͺ‘ͺ |
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 | ‘ͺ‘ͺ |
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 |
Λ΅Γχ£Ί | ‘‘ | ‘‘ | ‘‘ | ‘‘ | ‘‘ | ‘‘ | ‘‘ | ‘‘ | ‘‘ | ‘‘ | ‘‘ |
1.±νΦΠΛωΑΠ»ω±ΎΆξΆ¨ΤΨΊΙ‘’Ό«ΟήΧͺΛΩΊΝΦΨΑΏ£¬½φΉ©Ρ‘Τρ²ΞΏΌΣΓ‘£ | ‘‘ | ‘‘ | ‘‘ | ‘‘ | |||||||
2.Φ¬Θσ»¬Κ±£¬Ό«ΟήΧͺΛΩΞͺ±νΑΠΚύΦ΅΅Δ60%‘£ | ‘‘ | ‘‘ | ‘‘ | ‘‘ | ‘‘ | ‘‘ | ‘‘ | ||||
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Note: | ‘‘ | ‘‘ | ‘‘ | ‘‘ | ‘‘ | ‘‘ | ‘‘ | ‘‘ | ‘‘ | ‘‘ | ‘‘ |
1.These load, speed and mass is reference of choice only. | ‘‘ | ‘‘ | |||||||||
2.With grease lubrication, 60% of these limiting speed will apply. | ‘‘ | ‘‘ |