Grove Gear NH-B842-20-D NH8420029.00 Narrow Housing IronMan 20:1 ratio right angle cast iron single-reduction worm gear speed reducer with 4.25" center distance, non-flanged solid output with double extension, 1.25" input diameter, and 1.75" output diameter. Features Viton shaft seals, blue painted finish, and base mounting. Delivers 8.458 HP output at 87 RPM with 6092 lb-in output torque and 1.0 service factor.

Assembly

B-D

Center Distance

4.2 In.

Center distance (in)

4.25

Center Distance Range

Above 3.25"

Gear Drive Reductions

Single

Gear Type

Worm

H-Tap Size

1/2 - 13 UNC

Housing material

Cast iron

HP Range

7-1/2 (< 10)

Input Diameter (in)

1.25

Input HP

9.462

Input HP @ 1750 RPM

9.462

Input RPM

1750

Input Style

Solid Input Shaft

Keyway

1/4 X 2.50

Max OHL (Output Shaft)

3320

Max Thrust Load (Output Shaft)

2533

Model Code

B842

Mounting Style

Base

No. of Gear Reductions

Single

Output

Left & Right

Output Diameter (in)

1.750

Output HP

8.458

Output Key

3/8 x 2.25

Output RPM

87

Output Shaft

Solid Shaft

Output Shaft Assembly Code

D

Output Shaft Direction

Double

Output Shaft Orientation

LR

Output Style

D

Output Torque

6092

Output Torque Range

5000 to 10000 in lbs

Output type

Solid Shaft

Overhung Load

3320

Paint/Coating

Blue

Product Line

NH Series - Ironman Narrow Housing 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

NH Series - Ironman Narrow Housing Worm Gear Reducers

Series Code

NH

Series Style

NH-B-D

Service Factor

1

Shaft Seal Material

Viton

TAP Depth

1

Thrust Rating - output shaft

2533