Grove Gear IronMan GR-BM813-20-L-48 (catalog GR8130113.00) is a 20:1 single-reduction worm gear speed reducer with 1.33" center distance. It features a motorized non-flanged solid output left hand configuration, 0.5" input diameter, and 0.625" output diameter. The cast iron housing provides durability for right angle power transmission applications.

Assembly

BM-L

Center Distance

1.3 In.

Center distance (in)

1.33

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

1/2 to 3/4 HP (< 1)

Input Bore (C Face)

0.5

Input Diameter (in)

0.5

Input Flange

48CZ

Input HP

0.681

Input HP @ 1750 RPM

0.551

Input Keyway (C Face)

1/8 x 1/16

Input RPM

2500

Input Style

3-Piece Coupled

Keyway

1/8 X 1.00

Max OHL (Output Shaft)

700

Max Thrust Load (Output Shaft)

1144

Model Code

BM813

Motor Frame Size

48

Mounting Style

Base

No. of Gear Reductions

Single

Output

Left

Output Diameter (in)

0.625

Output HP

0.445

Output Key

3/16 x 1.50

Output RPM

87

Output Shaft Assembly Code

L

Output Shaft Direction

Left

Output Shaft Orientation

L

Output Style

L

Output Torque

320

Output Torque (lb-in)

283

Output Torque Range

250 to 500 in lbs

Output type

Solid Shaft

Overhung Load

700

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-BM-L

Service Factor

1

Shaft Seal Material

Viton

Size

48CZ

TAP Depth

0.5

Thrust Rating - output shaft

1144