Grove Gear GR-HM860-20-H1-180-55 (catalog GR8600517.55) 20:1 ratio single-reduction worm gear speed reducer with 6.00" center distance, 180TC quill flange input, and universal hand hollow output with 3.438" bore. Cast iron housing with blue paint, Viton shaft seals, and tapered roller bearings. Factory-filled with PAG synthetic oil. Part of the IronMan 800 Series.

Assembly

HM-H1

Bore Code

55

Center Distance

6 In.

Center distance (in)

6

Center Distance Range

Above 3.25"

Gear Drive Reductions

Single

Gear Type

Worm

Housing material

Cast iron

HP Range

15 HP to (< 20)HP

Input Bore (C Face)

1.125

Input Diameter (in)

1.5

Input Flange

182-4TC

Input HP

15.71

Input HP @ 1750 RPM

15.71

Input Keyway (C Face)

1/4 x 1/8

Input RPM

1750

Input Style

3-Piece Coupled

Keyway

3/8 X 3.00

Max OHL (Output Shaft)

3723

Max Thrust Load (Output Shaft)

3990

Model Code

HM860

Motor Frame Size

180

Mounting Style

Shaft Mount

No. of Gear Reductions

Single

Output

Hollow

Output Diameter (in)

3.438

Output Hollow Shaft Diameter (in)

3.438

Output HP

14.06

Output Key

7/8 X 4.00

Output RPM

87

Output Shaft Assembly Code

H1

Output Shaft Direction

H1

Output Shaft Orientation

H1

Output Style

H1

Output Torque

10127

Output Torque (lb-in)

10127

Output Torque Range

10000 to 20000 in lbs

Output type

Hollow bore

Overhung Load Rating (Output Shaft(lb))

3723

Paint/Coating

Blue

Product Line

GR Series - Ironman Worm Gear Reducers

Product Type

Right Angle

Ratio

20 to 1

Ratio Range

20-1

Reducer

Worm - Right Angle

Reducer Style

Worm - Right Angle

Reducer Type

Single

Series

GR Series - Ironman Worm Gear Reducers

Series Code

GR

Series Style

GR-HM-H1

Service Factor

1

Shaft Seal Material

Viton

Size

180TC

Thrust Rating - output shaft

3990