Grove Gear IronMan GR-BM842-80-L-140 (catalog GR8420083.00) 80:1 ratio single-reduction worm gear speed reducer with 4.25" center distance. Features cast iron housing, 140TC flexible coupling input, 1.25" input diameter, 1.875" output diameter, and left-hand solid output shaft. Part of the IronMan 800 Series, rated for 1.76 HP input at 1750 RPM, delivering 1.257 HP output at 21 RPM with 4519 lb-in output torque. Factory-filled with PAG synthetic oil and equipped with Viton double-lip seals.

Assembly

BM-L

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

5/8-11 UNC

Housing material

Cast iron

HP Range

1 to 1-1/2 (< 2)

Input Bore (C Face)

0.875

Input Diameter (in)

1.25

Input Flange

143-5TC

Input HP

1.585

Input HP @ 1750 RPM

1.76

Input Keyway (C Face)

3/16 x 3/32

Input RPM

1170

Input Style

3-Piece Coupled

Keyway

1/4 X 2.50

Max OHL (Output Shaft)

3740

Max Thrust Load (Output Shaft)

2533

Model Code

BM842

Motor Frame Size

140

Mounting Style

Base

No. of Gear Reductions

Single

Output

Left

Output Diameter (in)

1.875

Output HP

1.257

Output Key

1/2 x 3.06

Output RPM

21

Output Shaft Assembly Code

L

Output Shaft Direction

Left

Output Shaft Orientation

L

Output Style

L

Output Torque

3620

Output Torque (lb-in)

4519

Output Torque Range

2500 to 5000 in lbs

Output type

Solid Shaft

Overhung Load

3740

Paint/Coating

Blue

Product Line

GR Series - Ironman Worm Gear Reducers

Product Type

Right Angle

Ratio

80 to 1

Ratio Range

80-1

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-BM-L

Service Factor

1

Shaft Seal Material

Viton

Size

140TC

TAP Depth

1

Thrust Rating - output shaft

2533