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GMR-H and GMR40-H Disc Brake Caliper - Hydraulically Applied, Spring Released

DB3605

Maximum Braking Force = 36kN @ 140 bar.
The ratings shown on the above graph are based on fully bedded and conditioned brake pads. For bedding in
and conditioning procedures see Publication M1060.
Braking Force is defined as the Tangential Force acting on the brake disc at the Effective Disc Radius.
Braking Torque (Nm) = Braking Force (N) x Effective Disc Radius (m)
where Effective Disc Radius = Actual Disc Radius- 0.06

212 (GMR)

223 (GMR40

)

170 Mounting Holes CRS

Brake Disc

25.4 (GMR)
38/40 (GMR40)

Brake Disc

25.4 (GMR)
38/40 (GMR40)

45

193

226

Ø 610 Min. Disc Diameter

300

150

44

Disc Center Line

To Edge of Disc

170 Mounting Hole CRS

40

87

Note: 
The caliper may be assembled
as drawn (right hand assembly) 
or with arms and thruster
oppositely handed.

24 (GMR)

17

110

150

Nominal dimensions given.
For specific dimensions please 
contact Twiflex.
For GMR Mk 2 caliper details
see DB3604.

Disc Diameter mm

610 

760 

915 

1065 

1220 

1370 

1525 

1830

10 

12 

14 

16 

18 

20 

22 

24 

26 

28 

30 

32

Braking Torque kNm

Oi

l Pressure - ba

r

Maximum Pressure 175 bar

0

20

140

120

100

80

60

40

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