STF
with flange mounting

0,2 - 45 KNm

STF Safety Coupling with Flange Mounting

Specifications STF

STF series 2 5 10 25 40
Adjustment range available from - toB
0.2 - 0.5
3xST10
0.5 - 1.0
6xST10
1.0 - 1.5
6x ST10
0.7 - 2
3xST15
1.2 - 4
6xST15
3.2 - 5
6x ST15
2 - 5
3xST15
4 - 10
6xST15
6 - 14
9x ST15
6 - 12
6xST15
9 - 18
9xST15
15 - 25
12x ST15
12 - 21
3xST31
22 - 32
6xST31
32 - 45
9x ST31
Overall length (mm)B1190 230 250 280 320
Flange outside diameter (mm) B1198 220 270 318 428
Flange outside diameter (mm) B2170 188 230 268 340
Flange outside diameter (mm)B2170 188 230 306 390
Flange centering diameter H7 (mm)D190 110 140 174 210
Flange centering diameter H7 (mm)D290 110 140 200 210
Hole circle diameter (mm)F1130 155.5 196 220 304
Through hole diameter (mm)F18xØ13 8xØ15 8xØ17 12xØ19 16xØ22
Bolt circle diameter (mm)F2130 155.5 196 270 350
Outside diameter h7 (mm)F28xM12 8xM14 8xM16 12xM18 16xM20
Flange thickness (mm)l14 17.5 20 22 25
Fit length (mm)J13 4 5 5 6
Fit length (mm)J22.5 3 3.5 4 4
Distance (mm)L45 63.5 75 83.5 105.5
Distance (mm)M83 113.5 125 124.5 165
Actuation path (mm)N3.5 4.5 4.5 4.5 7.5
Moment of inertia (approx.)
bei Dmax & 9 Sgmt (10¯³ kgm²)
J.kst
83 150 380 830 3300
Speed max. (rpm) 9000 7500 6300 5000 3600
Allowable max. radial force standard* (KN) 7 12 17 22 30
Approx. weight at Dmax & 9 Sgmt (kg)m.kst20 30.4 50.3 73 180
NULL
CAD Portal 2 5 10 25 40
2D/3D Data 

Properties

MATERIAL

  • Hardened steel (nitrocarburized surface)

DESIGN

  • Drive side: Coupling hub with flange mounting
  • Driven side: Mounting flange with fastening threads and integral bearing
  • Safety elements: evenly spaced around the circumference; externally adjustable

DESIGN

  • Two precision machined hubs with curved jaws and conical clamping rings.

FIT CLEARANCE

  • Overall shaft / hub tolerance 0.01 - 0.025 mm

 


Overview