R500 Series

Applications include grain carts, mowers, combines, grain augers, potato
harvesters, agricultural sprayers, irrigation pumps and conveyers.

 

Features:

• Two-piece aluminum housing for high strength, corrosion resistance and thermal capacity
• Precision machined for exact gear mesh and bearing preload
• Precision forged gears are offered in four ratios: 1:1, 1.35:1, 1.5:1 and 2:1
• Spiral bevel available in 1:1
• Tapered roller bearings provide increased load capacity and bearing life
• 1.375″ shaft made of high strength steel is standard; 1.50” shaft available on limited options
• Serviced with 80W90 gear lubricant, run and leak tested before shipment
• The 500 Series weighs 25/30 lbs. including 28 oz of lubricant

R500 Drawing

R500 Drawing

Rotation Options

Rotation Selection

Ratings Chart

R500 Series - 1.375" Diameter Shafts

RatioInput RPM
Power & Torque1005401000
Miter

1:1

21, 21

Forged Straight Bevel

Input HP18.1871.70103.57
Output Torque*1145883686527
Input kW13.5653.4777.23
Output Torque**1295945737

1:1

21, 21

Cut Spiral Bevel

Input HP5.3822.8634.63
Output Torque*339126682183
Input kW4.0117.0525.82
Output Torque**383301247
Reducer

1.35:1

20, 27

Forged Straight Bevel

Input HP13.5154.8880.73
Output Torque*1149586476869
Input kW10.0740.9260.20
Output Torque**1299977776

1.5:1

20, 30

Forged Straight Bevel

Input HP7.4732.0748.90
Output Torque*706256144623
Input kW5.5723.9136.47
Output Torque**798634522

2:1

17, 34

Forged Straight Bevel

Input HP5.2523.7137.47
Output Torque*661855354723
Input kW3.9117.6827.94
Output Torque**748625534
Increaser

1:1.35

27, 20

Forged Straight Bevel

Input HP17.7767.0294.25
Output Torque*829657944400
Input kW13.2549.9870.28
Output Torque**937655497

1:1.5

30, 20

Forged Straight Bevel

Input HP10.8942.7261.53
Output Torque*457633242585
Input kW8.1231.8645.88
Output Torque**517376292
All ratings specified with the #1 shaft as the input.                      *Torque measured in inch-lbs    **Torque measured in N-m

LIMITATIONS ON HORSEPOWER AND TORQUE RATINGS: The horsepower and torque ratings given here are generalizations.  Different conditions for various applications may result in higher or lower horsepower capacities.  under certain conditions the maximum indicated RPM may be executed.  For these reasons the ratings cannot be guaranteed for any application.  Prototype testing should be conducted for each application before production.

Service Factor

Character of Power Source Shock Load

Electric Motor

Uniform

Multi-Cylinder Engine

Light Shock

Single-Cylinder Engine

Medium Shock

Duration of Service (Hours per Day)
Character of Shock Driven Machines.531024.531024.531024
Uniform0.600.801.00**1.250.801.001.251.501.001.251.501.75
Moderate0.801.001.251.501.001.251.501.751.251.501.752.00
Heavy1.251.501.752.001.501.752.002.251.501.752.252.50
*Divide the horsepower rating by the service factor to obtain the design horsepower. **AGMA Class 1 Service

LIMITATIONS ON HORSEPOWER AND TORQUE RATINGS: The horsepower and torque ratings given here are generalizations.  Different conditions for various applications may result in higher or lower horsepower capacities.  under certain conditions the maximum indicated RPM may be executed.  For these reasons the ratings cannot be guaranteed for any application.  Prototype testing should be conducted for each application before production.