Planetary Gears GSA

Planetary gears GSA 1-, 2-stage

The low-backlash planetary gearheads of the GSA series are designed for high positioning accuracy and highly dynamic cycle operation. Ground, helical toothed precision components inside the gear ensure low running noise and high running smoothness. Thanks to its robust design, the gear unit is convincing in applications in which large radial and axial forces are exerted. The hole pattern on the output side allows easy mounting.

Definition of serial numbers

Internal
Group No.
Type Size Backlash level Input hollow shaft Ratio
3 GSA 090 1 24 005

Backlash level: 1 = Standard; 0 = Reduced backlash
Input hollow shaft diam. = Max. motorshaft diam. = D9 in gearbox dimensions

Dimensions

GSA_EN_dimensions

mm to inch converter

GSA050 GSA070 GSA090 GSAE120 GSA160
Housing diameter D1 51 70 90 122 160
Centering diameter output D2 h7 35 52 68 90 120
Output shaft diameter D4 h6 14 16 22 32 40
Shaft height including feather key D5 16 17 24,5 35 44
Hole circle diameter output D6 44 62 80 108 140
Clamping system diameter D8 28 37 49 67 67
Max. motor shaft diameter D9 F7 14 14 24 28 32
Hole circle diameter input D10 42 60,5 90 111 120
Housing length 1-stage L1 55 57,5 83 101,5 115
Housing length 2-stage L1 81 91,5 118 151,5 175
Shaft length output L2 25,5 36 46 70 88
Shaft length from shoulder L3 20 28 36 58 78
Centering depth output L4 4 6,5 8 9 8
Distance from shaft end L5 2,5 4 3 4 5
Feather key length L6 15 20 30 50 65
Max. input length motor shaft L7 27 27 42,5 56 57
Distance to center of screw L8 5 5,5 7 9 9
Distance clamping ring – housing L13 11,5 15,5 18 26 25,5
Square housing 1-stage SQ1 45 62 90 122 140
Square housing 2-stage SQ1 45 62 90 122 120
Feather key width B1 h9 4 5 6 10 12
Min. mounting thread x depth G1 4 x M4 x 7 M5 x 10 M6 x 12 M8 x 12 M10 x 20
Min. mounting thread x depth G2 4 x M4 x 7 M5 x 10 M6 x 12 M6 x 12 M8 x 12
Min. mounting thread x depth G3 M4 x 7 M5 x 11 M6 x 16 M12 x 24 M12 x 24
Angle in ° W1 45 45 45 45 45
x times angle in ° W2 4 x 90 4 x 90 4 x 90 4 x 90 4 x 90
Angle in ° W3 30 30 30 30 30
x times angle in ° W4 4 x 90 4 x 90 4 x 90 4 x 90 4 x 90

Find additional info to motor flanges and reduction sleeves below.

Power table

Leistungsdaten GSA050 GSA070 GSA090 GSA120 GSA160 Stage
Service lifetime*1 tl h 30000
Nominal input speed n1 rpm 4000 4000 4000 4000 3000
Max. input speed n1 max. rpm 8000 8000 8000 8000 6000
Standard backlash jt arcmin <=3 1
<=5 2
Noise level*2 Qg dB (A) <=58 <=58 <=60 <=63 <=65 1
<=60 <=60 <=63 <=63 <=65 2
Efficiency ƞ % >=97 1
>=94 2
Protection class IP65
Torsional rigidity ct Nm/arcmin 3 6 15 27 60
Max. radial force*3 F2r N 620 1040 4210 8800 9450
Max. axial force*3 F2a N 310 520 2100 4400 4725
Operating temperature TB °C -25°C – +90°C
Lubrication Synthetic grease (lifetime-lubricated)
Weight with flange*4 mg kg 0,60 1,40 2,80 6,70 9,84 1
1,05 2,20 4,48 9,84 13,25 2
Mounting position Any
Output torques GSA050 GSA070 GSA090 GSA120 GSA160 Ratio Stage
Nominal output torque*5 T2B Nm 18 57 n.v. n.v. 656 3 1
16 50 153 218 583 4 1
15 47 163 350 649 5 1
14 43 149 324 602 7 1
13 42 143 309 576 10 1
18 57 n.v. n.v. 656 15 2
16 50 132 280 583 20 2
15 47 166 311 649 25 2
14 43 n.v. n.v. 612 30 2
14 43 134 289 602 35 2
13 41 129 278 581 40 2
15 47 145 311 649 50 2
14 43 134 289 602 70 2
13 42 127 275 576 100 2
Max. acceleration torque*6 T2N Nm 32 103 n.v. n.v. 1181 3 1
29 90 275 392 1049 4 1
27 85 293 630 1168 5 1
25 77 268 583 1084 7 1
23 76 257 556 1037 10 1
32 103 n.v. n.v. 1181 15 2
29 90 238 504 1049 20 2
27 85 299 560 1168 25 2
25 77 n.v. n.v. 1102 30 2
25 77 241 520 1084 35 2
23 74 232 500 1046 40 2
27 85 261 560 1168 50 2
25 77 241 520 1084 70 2
23 76 229 495 1037 100 2
Emergency stop torque*7 T2Not Nm 54 171 n.v. n.v. 1968 3 1
48 150 459 654 1749 4 1
45 141 489 1050 1947 5 1
42 129 447 972 1806 7 1
39 126 429 927 1728 10 1
54 171 n.v. n.v. 1968 15 2
48 150 396 840 1749 20 2
45 141 498 933 1947 25 2
42 129 n.v. n.v. 1836 30 2
42 129 402 825 1806 35 2
39 123 387 834 1743 40 2
45 141 435 933 1947 50 2
42 129 402 867 1806 70 2
39 126 381 825 1728 100 2
Mass moment of inertia GSA050 GSA070 GSA090 GSA120 GSA160 Ratio Stage
Mass moment of inertia*8 J1 kgcm2 0,03 0,15 n.v. n.v. 9,21 3 1
003 0,15 0,51 2,80 7,54 4 1
0,03 0,13 0,45 2,71 7,42 5 1
0,03 0,13 0,42 2,54 7,14 7 1
0,03 0,13 0,42 2,51 7,03 10 1
0,03 0,13 n.v. n.v. 2,63 15 2
0,03 0,13 0,13 0,47 2,63 20 2
0,03 0,13 0,13 0,47 2,63 25 2
0,03 0,13 n.v. n.v. 2,43 30 2
0,03 0,13 0,13 0,47 2,43 35 2
0,03 0,13 0,13 0,47 2,43 40 2
,0,3 0,13 0,13 0,44 2,43 50 2
0,03 0,13 0,13 0,44 2,39 70 2
0,03 0,13 0,13 0,44 2,39 100 2

*1 Load factor KA=1, n2=100 rpm, at room temperature T=20°C in new condition
*2 Sound pressure level at 1m distance, measured for an input speed of 3000 rpm without load
*3 On the center of the output shaft
*4 Deviation of up to 10 % possible
*5 Service life: 30,000 h, n2=100 rpm
*6 Max 1000 cycles per hour. Acceleration torque proportion < 5% of the total operation time
*7 Max 1000 cycles over the gear service life
*8 Related to the input shaft

Motorflanges

Motor flange
Motor flange dimensions
  1. GSA 50
    Gearbox type Centering diameter
    Z
    Hole circle
    LK
    Max. centering depth
    LZ
    Max. motor shaft length
    L
    Screw type
    B
    Article number
    GSA050 30 46 4 25 M4 3-G044-030-001
    40 63 4 25 M4 3-G044-040-002
    50 70 3 25 M5 3-G044-050-002
    50 70 3 30 M4 3-G044-050-004
    60 75 4 25 M5 3-G044-060-001
  2. GSA 70
    Gearbox type Centering diameter
    Z
    Hole circle
    LK
    Max. centering depth
    LZ
    Max. motor shaft length
    L
    Screw type
    B
    Article number
    GSA070 30 46 5 30 M4 3-G062-030-001
    50 70 5 30 M5 3-G062-050-001
    50 70 5 30 M4 3-G062-050-002
    50 95 5 30 M6 3-G062-050-004
    60 75 5 30 M6 3-G062-060-001
    60 75 5 30 M5 3-G062-060-002
    70 90 5 40 M6 3-G062-070-002
    70 90 5 30 M5 3-G062-070-003
    80 100 5 30 M6 3-G062-080-001
  3. GSA 90
    Gearbox type Centering diameter
    Z
    Hole circle
    LK
    Max. centering depth
    LZ
    Max. motor shaft length
    L
    Screw type
    B
    Article number
    GSA090 70 90 8 50 M6 3-G090-070-001
    70 90 8 50 M5 3-G090-070-002
    80 100 8 50 M6 3-G090-080-001
    95 115 8 50 M8 3-G090-095-002
    95 130 8 50 M8 3-G090-095-003
    95 115 13 55 M8 3-G090-095-006
    110 145 8 50 M8 3-G090-110-001
    110 145 22 65 M8 3-G090-110-002
    110 130 8 50 M8 3-G090-110-003
    130 165 8 50 M10 3-G090-130-001
  4. GSA 120
    Gearbox type Centering diameter
    Z
    Hole circle
    LK
    Max. centering depth
    LZ
    Max. motor shaft length
    L
    Screw type
    B
    Article number
    GSA120 70 90 9 63 M6 3-G120-070-001
    95 115 9 63 M8 3-G120-095-002
    110 145 9 63 M8 3-G120-110-001
    110 130 9 63 M8 3-G120-110-003
    110 165 9 63 M10 3-G120-110-005
    130 165 9 63 M10 3-G120-130-001
  5. GSB 160
    Gearbox type Centering diameter
    Z
    Hole circle
    LK
    Max. centering depth
    LZ
    Max. motor shaft length
    L
    Screw type
    B
    Article number
    GSA160 70 90 9 63 M6 3-G120-070-001
    95 115 9 63 M8 3-G120-095-002
    110 145 9 63 M8 3-G120-110-001
    110 130 9 63 M8 3-G120-110-003
    110 165 9 63 M10 3-G120-110-005
    130 165 9 63 M10 3-G120-130-001

Reduction sleeves

Reduction sleeve
Reduction sleeve dimensions

Definition of serial number for reduction sleeves

Internal Group No. Type Input hollow shaft diam. D Motor shaft diam. d
3 G 035 028
3 G 011 009
Gearbox
type
Size Stages Internal
diam. D
Motor shaft diameter d in mm
6 8 9 10 11 12 12.7 14 16 19 22 24 28 32 35 38 42 48 55
GSA 50 1 / 2 14
70 1 / 2 14 (✓)
90 1 / 2 24 (✓)
120 1 / 2 28 (✓)
160 1 / 2 32 (✓)

= Reduction sleeve available;
(
) = no reduction sleeve necessary;
(✓)* = Possible as a specially designed model. Further diameters can also be provided. Please contact us directly.

Additional information

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Application examples

Planetary gears overview

Planetary Gears