Grove Right Angle Gear Reducer GRL8210017.00GROVE Catalog Number: GRL8210017.00
GROVE Model Number: GRL-B821-20-R
Description: 800 Series Cast-Iron Right Angle Gear Reducer
Output Shaft CONFIG: RIGHT

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APPLICATIONS: Wide variety of applications requiring slow speed and high torque, ideal for conveyors, material handling, textile machines, packaging machinery, etc.


  • Heavy duty cast iron housings construction
  • Factory filled with Premium Synthetic PAG Lube as standard
  • Precision mounting surfaces
  • O-rings on input and output covers
  • Viton Seals throughout
  • Seal Guard
  • IronMan fine-grained, one-piece cast housing
  • Bronze alloy worm gear
  • Tapered roller bearings
  • Premium Grade 5 assembly bolts throughout
  • Mounting dimensions are interchangeable with Baldor 900 series, Boston Gear, Browning Raider, Falk, Morse Invader and other “industry standard” reducers.

GROVE Gear Reducers combine the premium features of the GROVE IRONMAN with the industry's broadest product offering of the Grove Gear Flexaline.

Ratio:1 20
Input RPM 1750
Output RPM 87.5
Input HP 1.584
Output HP 1.338
Output Torque (lb.-in.) 964
Housing Construction Cast Iron
Overhung Load (lbs.) 1175
Reducer Type Worm – Right Angle
Center Distance (in) 2.06
Reducer Style B
Input Style Solid Shaft
Frame Size n/a
Assembly B-R
Output Shaft Assembly R (Right Hand)
Bore Size (in) n/a