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8500 SERIES SINGLE & DOUBLE
REDUCTION BASE TYPE GEAR DRIVES
NOTE: Bracketed numbers in table below refer to Notes section below table.
Average Shipping Weight: 475 Lbs.

MODEL

 

RATIO (2)

 

REDUCTION (3)

RATINGS (1)

 

 


GEARBOX (5) INERTIA (LB-FT 2)

 

 

 

DIA A. (INCHES)

 

 

 

KEYWAY B

 


OUTPUT(RPM)

 

INPUT HORSEPOWER

 

OUTPUT TORQUE (IN-LB)

 

INPUT SHAFT (4) OVERHUNG LOAD CAPACITY (LBS)

 

OUTPUT SHAFT (4) OVERHUNG LOAD CAPACITY (LBS)

 

85055S (6)

 

5.529

 

SINGLE

 

316

 

197.0 (7)

 

39,200

 

1120

 

6430

 

0.42

 

1 7/8

 

1/2

 

85058 (6)

 

5.789

 

DOUBLE

 

302

 

201.0 (7)

 

42,000

 

1120

 

6430

 

1.43

 

2

 

1/2

 

8513

 

13.034

 

DOUBLE

 

134

 

89.5 (7)

 

42,000

 

1120

 

6430

 

0.24

 

2

 

1/2

 

8515

 

15.238

 

DOUBLE

 

115

 

76.5 (7)

 

42,000

 

1120

 

6430

 

0.20

 

2

 

1/2

 

8518

 

17.893

 

DOUBLE

 

98

 

64.6

 

41,600

 

1120

 

6430

 

0.17

 

2

 

1/2

 

8520

 

19.722

 

DOUBLE

 

89

 

56.6

 

40,200

 

1120

 

6430

 

0.16

 

1 1/2

 

3/8

 

8524

 

24.457

 

DOUBLE

 

72

 

47.6

 

41,900

 

930

 

6430

 

0.14

 

2

 

1/2

 

8526

 

26.191

 

DOUBLE

 

67

 

44.4

 

41,900

 

930

 

6430

 

0.13

 

1 1/2

 

3/8

 

8527

 

26.956

 

DOUBLE

 

65

 

43.2

 

41,900

 

690

 

6430

 

0.12

 

1 1/2

 

3/8

 

8530

 

29.909

 

DOUBLE

 

58

 

39.0

 

42,000

 

690

 

6430

 

0.12

 

1 1/2

 

3/8

 

85334

 

33.453

 

DOUBLE

 

52

 

34.9

 

42,000

 

690

 

6430

 

0.11

 

1 1/2

 

3/8

 

8535

 

35.319

 

DOUBLE

 

50

 

31.5

 

40,100

 

690

 

6430

 

0.11

 

1 1/4

 

1/4

 

8540

 

40.332

 

DOUBLE

 

43

 

28.7

 

42,000

 

690

 

6430

 

0.11

 

1 1/4

 

1/4

 

NOTES

  1. Horsepower, torque, output speed and overhung load capacities based on 1750 rpm input speed and 1.00 Service Factor.
  2. Non-standard ratios available. Consult Dorris Company if desired ratio is not shown.
  3. Single reduction high speed shaft dimensions shown in parentheses ( ).
  4. Overhung load is measured at the midpoint of the key for the input and output shafts respectively.
  5. Measured at the input shaft.
  6. If a backstop is required consult Dorris Company for backstop torque capacity as it is less than the output torque rating shown.
  7. Consult Dorris Company for thermal capacity in your application.



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