SMR Gearbox Specification
1 Output Bores
Standard or alternative hubs with metric bores are available to suit international standard shaft diameters.

2 Precision High Quality Gearing 
Computer Designed Helical Gears, Strong Alloy  Materials  for  High  Load  Capacity, Case  Carburized  for  long  life,  Ground Profile(some intermediate pinions are shaved) Crown tooth Profile, In Conformance  with  ISO  13281997,  98% Efficiency  for  Per  Stage,  Smooth  Quiet Operation with Several Teeth in Mesh.

3 Maximum Capacity Housing Design
Close  Grain  Cast  Iron  Construction,  Excellent  Vibration  Dampening  &  Shock Resistance Features, Precision Bored and Dowelled to Ensure Accurate In-Line Assembly.

4 Strong Alloy Steel Shafts
Strong Alloy Steel, Hardened, Ground on Journals, Gear Seatings and Extensions, for
Maximum Load and Maximum Torsional Loads. Generous Size Shaft
Keys for Shock Loading and Conform to ISO Standards.

5 Additional Case Lugs Except H and J Gear Case
Eliminates the Need for Critical Tightening of Torque Arm Bolts. Controls Position of
Standard Torque Arm Mounting within Recommended limits.

6 BackStops
Alternative Parts, Antirun Back Device, AreAvailable on all 13:1 and 20:1 Ratio Units and do not recommend for 5:1 Units.

7 Bearings and Oilseals
Bearings are Adequately Proportioned and Conform to ISO Dimension Plan, Readily
Available WorldWide. Oilseals are Double Lipped Garter Spring Type, Ensuring Effective Oil Sealing.

8 Rubberised End Caps
Self Sealing Intermediate Cover Plates, to Standard ISO Housing Dimensions.

9 Torque Arm Assembly
For Easy Adjustment of the Belt.

SIZE : SMR B C D E F G H 
RATIO : 5:1  13:1  20:1 

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Application