Ξή΅²±ίΉφΥλΦα³Π

Needle Roller Bearings without Ribs

NAO Ο΅ΑΠ

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ΦαΎΆ ΠΝΊΕ ΦΨΑΏ ³ί΄η »ω±ΎΆξΆ¨ΤΨΊΙ Ό«ΟήΧͺΛΩ
Shaft Designation Mass Dimensions Basic Load Ratings Limiting
Diameter ‘‘ ‘‘ d F D E B r Ά―  Cr Ύ²  Cor Speed
‘‘ ‘‘ ‘‘ ‘‘ ‘‘ ‘‘ ‘‘ ‘‘ ‘‘ Dynamic Static ‘‘
mm ‘‘ g ‘‘ ‘‘ ‘‘ ‘‘ ‘‘ min. kN kN rpm
6 NAO 6‘Α17‘Α10 14 6 10 17 13 10 0.3 4.8 5.5 28000
9 NAO 9‘Α22‘Α12 24 9 12 22 18 12 0.3 10.0 9.9 21000
12 NAO 12‘Α24‘Α13 30 12 16 24 20 13 0.3 8.9 11.8 18000
‘‘ *NAO 12‘Α24‘Α20 44 12 16 24 20 20 0.3 13.3 19.8 16000
‘‘ NAO 12‘Α28‘Α12 40 12 16 28 22 12 0.3 11.5 12.5 17000
15 NAO 15‘Α28‘Α13 29 15 20 28 24 13 0.3 9.8 14.3 14000
‘‘ NAO 15‘Α32‘Α12 50 15 20 32 26 12 0.3 13.4 16.2 13000
17 NAO 17‘Α30‘Α13 42 17 22 30 26 13 0.3 10.4 15.9 13000
‘‘ NAO 17‘Α35‘Α16 78 17 22 35 29 16 0.3 20.0 25.5 12000
20 NAO 20‘Α35‘Α17 76 20 25 35 29 17 0.3 14.9 26.0 12000
‘‘ NAO 20‘Α37‘Α16 82 20 25 37 32 16 0.3 21.0 28.0 11000
25 NAO 25‘Α40‘Α17 88 25 30 40 35 17 0.3 19.6 34.0 9500
‘‘ NAO 25‘Α42‘Α16 86 25 30 42 37 16 0.3 23.1 33.5 9000
‘‘ *NAO 25‘Α42‘Α32 190 25 30 42 37 32 0.3 39.5 67.0 9000
30 NAO 30‘Α45‘Α13 77 30 35 45 40 13 0.3 16.2 28.0 8500
‘‘ NAO 30‘Α45‘Α17 102 30 35 45 40 17 0.3 20.8 38.5 8500
‘‘ *NAO 30‘Α45‘Α26 157 30 35 45 40 26 0.3 27.5 56.0 8500
‘‘ NAO 30‘Α47‘Α16 109 30 35 47 42 16 0.3 24.4 37.5 8000
‘‘ NAO 30‘Α47‘Α18 119 30 35 47 42 18 0.3 27.5 43.0 8000
‘‘ NAO 30‘Α52‘Α18 177 30 35 52 44 18 0.3 28.0 45.5 8000
35 NAO 35‘Α50‘Α17 113 35 40 50 45 17 0.3 21.4 41.5 7500
‘‘ NAO 35‘Α55‘Α20 190 35 40 55 47 20 0.3 32.5 57.0 7500
40 NAO 40‘Α55‘Α17 127 40 45 55 50 17 0.3 22.5 46.0 7000
‘‘ NAO 40‘Α65‘Α20 279 40 50 65 58 20 0.3 35.5 62.0 7000
50 NAO 50‘Α68‘Α20 230 50 55 68 60 20 0.6 28.5 66.0 6000
‘‘ NAO 50‘Α78‘Α20 410 50 60 78 68 20 1.0 43.5 85.0 5000
70 NAO 70‘Α100‘Α30 850 70 80 100 88 30 1.0 71.0 176.0 3900
75 NAO 75‘Α105‘Α25 696 75 85 105 93 25 1.0 57.0 136.0 3800
80 NAO 80‘Α110‘Α30 920 80 90 110 98 30 1.0 68.0 172.0 3800
90 NAO 90‘Α120‘Α30 1044 90 100 120 108 30 1.0 71.0 188.0 3500
Λ΅Γχ£Ί ‘‘ ‘‘ ‘‘ ‘‘ ‘‘ ‘‘ ‘‘ ‘‘ ‘‘ ‘‘ ‘‘
1.±νΦΠΛωΑΠ»ω±ΎΆξΆ¨ΤΨΊΙ‘’Ό«ΟήΧͺΛΩΊΝΦΨΑΏ£¬½φΉ©Ρ‘Τρ²ΞΏΌΣΓ‘£ ‘‘ ‘‘ ‘‘ ‘‘
2.Φ¬Θσ»¬Κ±£¬Ό«ΟήΧͺΛΩΞͺ±νΑΠΚύΦ΅΅Δ60%‘£ ‘‘ ‘‘ ‘‘ ‘‘ ‘‘ ‘‘ ‘‘
3.*ΞͺΛ«ΑΠ£¬ΝβΘ¦΄ψΘσ»¬ΣΝ²ΫΊΝΣΝΏΧ‘£ ‘‘ ‘‘ ‘‘ ‘‘ ‘‘ ‘‘ ‘‘ ‘‘
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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. ‘‘ ‘‘ ‘‘
3.* The inner ring is double-row, and a lubrication hole and  groove on the outer ring.