Model weight Basic size rated load limit speed
dynamic load static load
  [kg] d [mm] F [mm] D [mm] C [mm] B [mm] Cr[N] C0r[N] [r/min]
NA4900-RSR 24.5 10 14 22 13 14 7 700 6 900 13 000
NA4900-2RSR 24.5 10 14 22 13 14 7 700 6 900 13 000
NA4901-RSR 27.5 12 16 24 13 14 8 600 8 300 12,000
NA4901-2RSR 27.5 12 16 24 13 14 8 600 8 300 12,000
NA4902-RSR 37 15 20 28 13 14 9 700 10 300 10,000
NA4902-2RSR 37 15 20 28 13 14 9 700 10 300 10,000
NA4903-RSR 40 17 22 30 13 14 10,000 11,000 9,000
NA4903-2RSR 40 17 22 30 13 14 10,000 11,000 9,000
NA4904-RSR 80 20 25 37 17 18 19 500 19 900 7 500
NA4904-2RSR 80 20 25 37 17 18 19 500 19 900 7 500
NA4905-RSR 89.5 25 30 42 17 18 21 800 24 200 6 500
NA4905-2RSR 89.5 25 30 42 17 18 21 800 24 200 6 500
NA4906-RSR 104 30 35 47 17 18 23 900 28 500 5 500
NA4906-2RSR 104 30 35 47 17 18 23 900 28 500 5 500
NA4907-RSR 175 35 42 55 20 21 29 500 39 500 4 800
NA4907-2RSR 175 35 42 55 20 21 29 500 39 500 4 800
NA4908-RSR 252 40 48 62 22 23 41,000 53,000 4 200
NA4908-2RSR 252 40 48 62 22 23 41,000 53,000 4 200
NA4909-RSR 290 45 52 68 22 23 43 000 59,000 3 900
NA4909-2RSR 290 45 52 68 22 23 43 000 59,000 3 900
NA4910-RSR 295 50 58 72 22 23 45,000 64,000 3 500
NA4910-2RSR 295 50 58 72 22 23 45,000 64,000 3 500
Designation Mass Main dimensions Basic load ratings Limit speed
Dynamic load Static load
  [g] d [mm] F [mm] D [mm] C [mm] B [mm] C[N] Cor [N] [r/min]

NA49...RSR

NA49...2RSR