Grove Gear 8050 Catalog

Technical Information

Bolt Circle Dimensions

Series GR & NH reducers do not have tapped holes on “integral cover side” of reducer. Integral side of reducer can be machined with tapped holes. See reverse housing assembly below for dimensions.

Gear Reducers

INTEGRAL SIDE OF HOUSING (NON-COVER SIDE)

High Efficiency Helical - Bevel

D

D

C

BOLT SIZE

C

BOLT SIZE

BOLT SIZE

E

F

E F

A

G

B

A

45

A

D H

BOLT SIZE

B

Special reverse housing assembly

Gear Reducers

Sizes 824 - 8100

Sizes 815 - 821

Size 813

High Efficiency Parallel Shaft

Special reverse housing assembly - Contact Factory for availability.

Stainless Steel & WASHGUARD ®

GR SERIES INPUT COVER DIMENSIONS

GR & NH SERIES OUTPUT COVER DIMENSIONS UNIT A B G H BOLT SIZE 813 1.016 2.033 1.768 1.768 .312-18 815 1.016 2.033 1.768 1.768 .312-18 818 1.480 2.961 2.051 2.051 .312-18 821 1.480 2.961 2.652 2.652 .312-18 824 1.856 3.712 2.652 2.652 .312-18 826 1.856 3.712 2.652 2.652 .312-18 830 2.298 4.596 3.536 3.536 .375-16 832 2.298 4.596 3.536 3.536 .375-16 842 2.939 5.877 3.712 3.712 .438-14 852 3.359 6.717 5.303 5.303 .438-14 860 Consult Factory .500-13 870 Consult Factory .500-13 880 Consult Factory .500-13 8100 Consult Factory .500-13

UNIT

C

D

E

F

BOLT SIZE

813 815 818 821 824 826 830 832 842 852 860 870 880

1.219 1.219 1.219 1.219 1.313 1.313 1.600 1.600 1.600 1.600 1.370 2.033 2.121

2.438 2.438 2.438 2.438 2.625 2.625 3.200 3.200 3.200 3.200 2.740 4.066 4.242

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

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

.312-18 .312-18 .312-18 .312-18

High Efficiency Gear Reducers Technical Information Warnings and Cautions Terms and Conditions UNIT A 813 2.500 815 2.500 818 2.900 821 3.750 824 3.750 826 3.750 830 5.000 832 5.000 842 5.250 852 7.500

0.781 0.781 1.050 1.050 1.050 1.050 1.370 2.033 2.121

1.562 .312-18 1.562 .312-18 2.100 .438-14 2.100 .438-14 2.100 .438-14 2.100 .438-14 2.740 .438-14 4.066 .438-14 4.242 .500-13

8100

Consult Factory

.625-11

NH SERIES INPUT COVER DIMENSIONS

GR & NH SERIES INTEGRAL SIDE OF HOUSING

UNIT

C

D

E

F

BOLT SIZE

G

H

BOLT SIZE

1.768 1.768 2.051 2.652 2.652 2.652 3.536 3.536 3.712 5.303

1.768 1.768 2.051 2.652 2.652 2.652 3.536 3.536 3.712 5.303

.312-18 .312-18 .312-18 .312-18 .312-18 .312-18 .375-16 .375-16 .438-14 .438-14

813 815 818 821 824 826 830 832 842 852

1.219 1.219 1.219 1.219 1.313 1.313 1.313 1.313 1.600 1.600

2.438 2.438 2.438 2.438 2.625 2.625 2.625 2.625 3.200 3.200

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

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

.312-18 .312-18 .312-18 .312-18 .312-18 .312-18 .312-18 .312-18 .438-14 .438-14

0.781 0.781 0.781 0.781 1.050 1.050

1.562 1.562 1.562 1.562 2.100 2.100

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