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Rotational speed and output torque characteristics

Torque-speed curve

SR4500Torque output [N·m] Angular speed [degrees/sec] Torque output [N·m]SR620H Angular speed [degrees/sec]
20 40 60 80 100 120 140 160 180 10 20 30 40 50 60 70 80 90
0 0
500 Max 2 000 Max
400
1 500

300

200 1 000 Rated
100 Rated 500

0 0
0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 0.45 0.5 0 0.05 0.1 0.15 0.2 0.25

Speed [S-1] Speed [S-1]

• Please refer to the selection guide.
• Please consult NSK in if positioning exceeds 360º or for continuous rotation.

Allowable load chart

SR4500 Radial 0 [N] SR620H Radial 0 [N]
load 5 100 [N] load 14 450 [N]
Max. moment load: 10 200 [N] 10 000 28 900 [N]
Moment load [N·m] 2 300 [N] 9 000 Moment load [N·m]
8 000
2 500 7 000
6 000
2 000 5 000
4 000
1 500 3 000
2 000
1 000 1 000
0
500 0

0 20 000 40 000 60 000 80 000 100 000
0 5 000 10 000 10 500 20 000 20 500 30 000 30 500 40 000

Axial load: 2 070 [N] Axial load [N] Axial load [N]

2 500 Axial 0 [N] 10 000 Axial 0 [N]
2 000 load 5 800 [N] 9 000 load 16 350 [N]
1 500 11 600 [N] 8 000 32 700 [N]
ent load [N·m] 1 000 ent load [N·m] 7 000
6 000
5 000
4 000