Irreversible Locks IR
Irreversible Locks IR are bidirectional acting roller freewheels with bearing support. They are ready for installation.
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Features
Irreversible Locks IR are bidirectional acting roller freewheels with bearing support. They are ready for installation.
The Irreversible Locks IR are used as:
➧ Bidirectional Acting Backstops
Nominal torques up to 100 Nm.
Bores up to 35 mm.
Whereas a normal Freewheel transmits torques from the driving or driven side in only one irection of rotation, with the Irreversible Lock IR it is possible for the driving part to drive the
shaft in both directions of rotation. There is, ho-wever, a locking action against any reverse tor-que coming from the driven part, irrespective of the direction of rotation in which it is exer-ted.
Freewheel Size | Type | Nominal torque | Bore d | A* | B* | C | D mm | E | G** | L | M1 | M2 | N mm | O mm | P | Q mm | R | T** | V | Z** | Weight kg |
IR 12 | R | 8 | 12 | 13,8 | 4 | 2,2 | 42 | 11,2 | M4 | 17,7 | 24 | 12,0 | 8,0 | 9,5 | 5 | 5,5 | 26 | 5,7 | 3 | 0,15 | |
IR 16 | R | 15 | 16 | 18,3 | 5 | 3,0 | 48 | 12,2 | M5 | 20,4 | 28 | 13,5 | 9,5 | 10,5 | 5 | 9,5 | 28 | 9,8 | 3 | 0,22 | |
IR 25 | R | 48 | 25 | 28,5 | 8 | 3,2 | 85 | 20,0 | M6 | 30,0 | 48 | 22,5 | 19,1 | 19,5 | 10 | 5,5 | 55 | 12,2 | 3 | 1,10 | |
IR 35 | R | 100 | 35 | 38,5 | 10 | 4,5 | 120 | 32,0 | M8 | 45,0 | 70 | 27,0 | 32,2 | 31,5 | 12 | 8,5 | 80 | 14,2 | 3 | 3,30 |
The maximum transmissible torque is 2 times the specified nominal torque.
* Keyway according to DIN 6885, page 1 • Tolerance of keyway width JS10.
** Z = Number of tapped holes G on pitch circle T.
Example for ordering
Irreversible Lock IR 16 R, standard type with
bore 16 mm:
• IR 16 R, d = 16 mm
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