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EH 25050. Tapered Shaft Hubs with lock nut
EH 25050.

Tapered Shaft Hubs, with lock nut


Technical Data

Note:
It is a self-centering and non-floating tapered shaft hub in corrosion-protected design with a hexagon nut and a lock nut. By using tapered shaft hubs, all shaft-hub joints of machine elements such as sprocket wheels, gear wheels, belt pulleys, cams, levers etc. can be easily and efficiently established.
The lock nut at the outer part facilitates locking of the shaft-hub joint if freely rotating shafts are involved. For mounting, a cresent wrench (thickness max. l2 - l3) is used.

Mounting instructions, mounting arrangements and technical data are found on the following pages.

TA = Tightening torque of nut, M = Transferable torque, Fa = Transferable thrust load
pW = Surface pressure shaft, pN = Surface pressure hub.

The rotational accuracy is 0,03 mm.

Material:
Inner part:
  • Steel, nickel-plated
External part:
  • Steel, galvanized
Nut:
  • Steel, nickel-plated
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Ref. No.   former Ref. No. d1 d2 l1 l2 l3 WS TA
max.
Nm
M
max.
Nm
Fa
max.
kN
pW
max.
N/mm2
pN
max.
N/mm2

g
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25050.0112 download of CAD drawing 2505.112 12 20 24 19 12 22 43,8 65,3 10,9 206 128 45
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Halder Inc. | 821 West College Avenue | Waukesha, WI 53186 | USA
Phone: (262) 521 2050 | Fax: (262) 521 3050 | email: sales@halder.com