ESL
Torque Limiter Economy Class with clamping hub, press-fit version for direct drives

1 - 150 Nm

ESL TORQUE LIMITER ECONOMY CLASS WITH CLAMPING HUB, PRESS-FIT VERSION FOR DIRECT DRIVES

Specifications ESL

ESL series 5 10 20 60 150
Type (Elastomer insert)
AB
AB
AB
AB
AB
Rated torque (Nm) TKN
912
12.516
1721
6075
160200
Adjustment range* possible
from - to (approx. values) (Nm)
TKN
1-6 1-12 3-19 5-60 20-150
Overall length (mm) A 34 45 64 80 90
Diameter of the hub (mm) B1 25 32 42 56 66.5
Diameter of the hub (mm)B2 29 32 46 59 75
Fit length (mm) C1 12.5 12 25 30 35
Fit length (mm) C2 11.5 20 22 31 35
Inner diameter
from Ø to Ø H7 (mm)
D1
6-15 6-18 8-25 12-32 19-38
Inner diameter
from Ø to Ø H7 (mm)
D2
6-10 6-12 8-19 12-24 19-32
Inner diameter
from Ø to Ø H7 (inch)
DE
10.5 14.2 19.2 26.2 29.2
Inner diameter max. (elastomer) Ø (mm) DE 0,250"-
0,500"
0,250"-
0,625"
0,375"-
0,875"
0,500"-
1,250"
0,750"-
1,375"
Distance (mm)G1 5
6
9
11
12
Distance (mm) G2 2.5 3.5 4 4 4
Screw DIN 916 I1 je nach Bohrungsdurchmesser siehe Tabelle unten je nach Bohrungsdurchmesser siehe Tabelle unten je nach Bohrungsdurchmesser siehe Tabelle unten je nach Bohrungsdurchmesser siehe Tabelle unten je nach Bohrungsdurchmesser siehe Tabelle unten
Approx. weight (kg)0.05 0.15 0.2 0.5 1
Moment of interia

(10-3 kgm2)
Jges
0.01 0.02 0.08 0.15 0.5
Actuation path (mm)0.6 0.6 0.7 1.1 1.4
CAD Portal 5 10 20 60 150
2D/3D Data 

Properties

  • Design: The R+W SERVOMAX elastomer coupling with integral multi position torque limiter.
  • Tolerance: Overall clearance between shaft and hub 0.01 to 0.05 mm.
  • Material:
    • torque limiter: high strength steel
    • detent balls made of hardened steel.
    • clamping hubs: high strength aluminum.
    • elastomer insert: precision molded, wear resistant and thermally stable polymer.
  • Speeds: Negligible abrasion with disengagement speeds of up to 200 rpm.
Higher speeds upon request.
  • Properties of Elastomer Coupling model ESL:
    • reliable torque overload protection
    • compact simple design
    • multi position engagement
    • low wear
    • economical design
    • backlash free due to reliable R+W design
    • press fit design

Overview