Grove Gear 8050 Catalog

Quick Selections .9 ‹ 5/ ‹ ,3 :LYPLZ 1.50 Service Factor Nominal Output

Input Horsepower @ 1750 RPM

Ratio z

RPM 175.0 116.7

1/8 813 813 813 813 813 813 813 813 813 813 813 815 815 815 815 821 821 826 830 830 1/8 813 813 813 813 813 813 813 813 815 815 815 815 815 815 821 821 821 830 832 830 1/8 813 813 813 813 813 813 813 813 813 813 813 815 815 815 815 815 815 826 830 830

1/6

1/4

1/3 813 813 813 815 815 815 815 818 821 821 821 821 824 824

1/2 813 815 815 818 818 821 821 821 824 824 824 824 826 826

3/4 815 818 821 824 821 824 824 824 826 826

1

1-1/2

2

3

5

7-1/2

10 15 20

25

10 15 20 25 30 40 45 50 60 75 80

1/6 813 813 813 813 813 813 813 815 813 815 813 815 813 815 813 818 815 818 815 821 815 821 815 821 818 821 821 824 821 824 821 824 824 826 830 832 842 842 832 842 813 813 813 813 813 813 813 815 813 815 815 815 815 815 815 821 815 821 815 821 815 821 815 821 821 824 821 824 821 824 824 826 830 842 842 842 842 842 813 813 813 813 813 813 813 813 813 813 813 815 813 815 813 815 815 815 815 818 815 815 815 821 815 821 815 821 821 824 821 824 821 824 830 830 832 842 830 842 1/6 1/4 1/4

818 821 821 824 824 826 826 826

824 824 824 826 826 830 832 832

824 826 826

830 830 832 842 842 842 842 842 842 852 852 852 852 852 870 880 880

842 842 842 852 842 852 852 852 852 852 860 870 870 880

842 842 852 870 852 852 N/A 870 N/A 870 N/A 880

852 852 852 870 N/A N/A N/A 870 N/A 880 N/A

N/A N/A N/A 880 N/A N/A N/A

N/A N/A N/A N/A N/A N/A

N/A N/A N/A N/A N/A N/A

87.5 70.0 58.3 43.8 38.9 35.0 29.2 23.3 21.9 17.5 14.0 11.7

Single Reduction

830* 830*

880 8100

Worm Gear Reducers

832

826 830* 832**

842 842 842 842 842 842 852 852 852 860

8100

8100 8100

N/A

830 832**

8100

826 830* 842

N/A

100 125 150 200 250 300 400 500 600

830

832

842

8100 8100 8100

8100

830* 832** 842

8100 8100 8100

832

842

842 852 852 852

8.8 7.0 5.8 4.4 3.5 2.9

824 830* 832** 842

8100 8100

826 830*

842

842 842 852 860 860

830 832** 842

Double Reduction

842 842 842

842 852 852

852 852 852

Worm - Worm Gear Reducers

1.75 Service Factor Nominal Output

Input Horsepower @ 1750 RPM

Ratio z

RPM 175.0 116.7

1/3 813 813 815 815 815 818 821 821 821 821 824 824 824 824

1/2 815 815 818 821 821 821 821 824 824 824 824 826

3/4 818 821 821 824 824 824 824 826 826 830 830

1

1-1/2

2

3

5

7-1/2

10 15 20

10 15 20 25 30 40 45 50 60 75 80

821 821 824 824 824 826 826 830 832 832

824 824 826 830 830 832 832 832 842 842 842 842 852 852 852

824 830 830 842 832 842 842 842 842 842 842 842 852 852 852 860 880

830*

842 842 842 852 852 852 852 852 852 870 N/A 870 880 880

842 852 852 870 852 N/A N/A 870 N/A 880 N/A

852 852 N/A 870 N/A N/A N/A 880 N/A

N/A N/A N/A 880 N/A N/A N/A

N/A N/A N/A N/A N/A N/A 8100 8100

832

87.5 70.0 58.3 43.8 38.9 35.0 29.2 23.3 21.9 17.5 14.0 11.7

832**

842 842 842 842 842 852 852 852 852 852 860 880 880

Double Reduction

8100

Helical - Worm Gear Reducers

830 832**

N/A

8100

8100

N/A

100 125 150 200 250 300 400 500 600

830* 832** 842

8100 8100 8100

8100 8100

830 832** 842 830 832** 842

WASHGUARD ® Reducers

8.8 7.0 5.8 4.4 3.5 2.9

826 830*

842

842 842 852 860

8100 8100

830 832** 842 830* 832** 842

8100

842 852 842

852 852 852

852 860 852

860

and GEAR+MOTOR™ Ratio Multipliers Ratio z 10 15 20 25 30 40 45 50

2.00 Service Factor Nominal Output

Input Horsepower @ 1750 RPM

RPM 175.0 116.7

1/3 813 815 815 818 815 821 821 821 821 824 824 824 824

1/2 815 815 818 821 821 824 824 824 824 826 826 826

3/4 818 821 821 824 824 826 826 826

1

1-1/2

2

3

5

7-1/2

10 15 20

821 824 824

824 826 826

826 830

830*

842 842 842 852 852 852 852 860 860 870 N/A 880 880

852 852 852 870 N/A N/A N/A 870 N/A 880 N/A

852 852 N/A 870 N/A N/A N/A 880 N/A

N/A N/A N/A 880 N/A N/A N/A

N/A N/A N/A

832 842 842 842 842 842 852 852 852 852 852 870 870 880

87.5 70.0 58.3 43.8 38.9 35.0 29.2 23.3 21.9 17.5 14.0 11.7

830*

826 830*

842

8100

826 830* 832**

830

832

842 842 842 842 842 842 852 852 852 860 880 880

830 832**

830

842

8100

60 75 80

826 830* 842

830

832

842

8100

830* 832** 842

N/A

100 125 150 200 250 300 400 500 600

832

842

842 842 852 852 852 860

8100 8100 8100

8100

830 832** 842

826 830*

842

842 842 852 852 860

8100 8100

8.8 7.0 5.8 4.4 3.5 2.9

830 832** 842

830* 842

842 842 852 860 860

8100 8100

824 830 832** 842

8100

842 852 852

852 852 852

Note: This chart is meant as a guide for reducer selections at specific motor horsepowers. Actual service factor may be greater than indicated. For actual service factors and maximum worm reducer ratings, refer to pages 204-207. z Actual ratio combinations supplied by Factory may vary from above depending on application and manufacturing requirements. Refer to page 211 for exact ratio of helical primary stage and worm gear secondary stage.

indicates a selection where a smaller reducer (1 case size) can be used with redesigned product due to rating increase. indicates a selection where a smaller reducer (2 case sizes) can be used with redesigned product due to rating increase.

Accessories and

Additional Capabilities

* Size 832 must be used for NH Series for this selection. ** Size 842 must be used for NH Series for this selection.

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