Grove Gear GR-BM818-20-R-140 (catalog GR8180089.00) 20:1 ratio single-reduction worm gear speed reducer with 1.75" center distance. Features 140TC flexible coupling input, 0.625" input diameter, and 0.875" right-hand solid output shaft. Cast iron housing with blue paint finish, Viton shaft seals, and tapered roller bearings. Factory-filled with PAG synthetic oil for industrial power transmission applications.

Assembly

BM-R

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

143-5TC

Input HP

1.283

Input HP @ 1750 RPM

1.046

Input Keyway (C Face)

3/16 x 3/32

Input RPM

2500

Input Style

3-Piece Coupled

Max OHL (Output Shaft)

1200

Max Thrust Load (Output Shaft)

1144

Model Code

BM818

Motor Frame Size

140

Mounting Style

Base

No. of Gear Reductions

Single

Output

Right

Output Diameter (in)

0.875

Output HP

0.875

Output Key

3/16 x 1.38

Output RPM

87

Output Shaft Assembly Code

R

Output Shaft Direction

Right

Output Shaft Orientation

R

Output Style

R

Output Torque

630

Output Torque (lb-in)

551

Output Torque Range

500 to 1000 in lbs

Output type

Solid Shaft

Overhung Load

1200

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-R

Service Factor

1

Shaft Seal Material

Viton

Size

140TC

TAP Depth

0.63

Thrust Rating - output shaft

1144