Grove Gear GRL-B821-50-L (catalog GRL8210009.00) is a Leeson IronMan Interchange single-reduction worm gear speed reducer with 50:1 ratio and 2.06" center distance. The cast iron housing encloses a non-flanged solid output shaft with left-hand rotation. Input diameter is 0.625" and output diameter is 1.000".

Assembly

B-L

Center Distance

2.1 In.

Center distance (in)

2.06

Center Distance Range

1" thru 3.25"

Gear Drive Reductions

Single

Gear Type

Worm

H-Tap Size

5/16-18 UNC

Height (in)

10.50

Housing material

Cast iron

HP Range

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

Input Diameter (in)

0.625

Input HP

0.769

Input HP @ 1750 RPM

0.769

Input RPM

1750

Input Style

Solid Input Shaft

Keyway

3/16 X 1.38

Length (in)

10.69

Max OHL (Output Shaft)

1385

Max Thrust Load (Output Shaft)

1144

Model Code

B821

Mounting Style

Base

No. of Gear Reductions

Single

Output

Left

Output Diameter (in)

1.000

Output HP

0.539

Output Key

1/4 X 1.44

Output RPM

35

Output Shaft

Solid Shaft

Output Shaft Assembly Code

L

Output Shaft Direction

Left

Output Shaft Orientation

L

Output Style

L

Output Torque

970

Output Torque Range

500 to 1000 in lbs

Output type

Solid Shaft

Overhung Load

1385

Paint/Coating

Blue

Product Line

GRL Series - Ironman Worm Gear Reducers

Product Type

Right Angle

Ratio

50 to 1

Ratio Range

50-1

Reducer

Worm - Right Angle

Reducer Style

Worm - Right Angle

Reducer Type

Single

Series

GRL Series - Ironman Worm Gear Reducers

Series Code

GRL

Series Style

GRL-B-L

Series Type

Cast Iron 800 Worm Gear Reducers

Service Factor

1

Shaft Seal Material

Viton

TAP Depth

0.63

Thrust Rating - output shaft

1144

Width (in)

9.06