Grove Gear Narrow Housing IronMan NH-BM818-7.5-D-140 (catalog NH8180098.00) is a 7.5:1 ratio right angle cast iron single-reduction worm gear speed reducer with 1.75" center distance. It features a 140TC quill input, 0.625" input diameter, and 1" double-extension solid output shaft. The compact Narrow Housing design reduces footprint while maintaining IronMan durability.

Assembly

BM-D

Center Distance

1.8 In.

Center distance (in)

1.75

Center Distance Range

1" thru 3.25"

Gear Drive Reductions

Single

Gear Type

Worm

H-Tap Size

5/16 - 18 UNC

Housing material

Cast iron

HP Range

1 to 1-1/2 (< 2)

Input Bore (C Face)

0.875

Input Diameter (in)

0.625

Input Flange

140TC

Input HP

1.909

Input HP @ 1750 RPM

1.909

Input Keyway (C Face)

3/16 x 3/32

Input RPM

1750

Input Style

3-Piece Coupled

Keyway

3/16 X 1.38

Max OHL (Output Shaft)

1250

Max Thrust Load (Output Shaft)

868

Model Code

BM818

Motor Frame Size

140

Mounting Style

Base

No. of Gear Reductions

Single

Output

Left & Right

Output Diameter (in)

1.000

Output HP

1.745

Output Key

1/4 x 1.75

Output RPM

233

Output Shaft Assembly Code

D

Output Shaft Direction

Double

Output Shaft Orientation

LR

Output Style

D

Output Torque

471

Output Torque Range

250 to 500 in lbs

Output type

Solid Shaft

Overhung Load

1200

Paint/Coating

Blue

Product Line

NH Series - Ironman Narrow Housing Worm Gear Reducers

Product Type

Right Angle

Ratio

7.5 to 1

Ratio Range

7.5-1

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-BM-D

Service Factor

1

Shaft Seal Material

Viton

Size

140TC

TAP Depth

0.63

Thrust Rating - output shaft

868