Skip to content Skip to navigation menu
MartinS321

S321

Spur Gear
Item #100811751
  • A Gear Style
  • 14.5° Pressure Angle
  • 21 Teeth
  • 3 Diametral Pitch
  • 7 in Pitch Diameter
  • 3 in Face Width
  • Reborable
  • w/o Keyway
+ Show More + Show Less
MartinS321
Price Unavailable
Price Unavailable
Pricing is unavailable at this time. Please contact Customer Service for assistance.
Online Ordering Restricted
Please contact Customer Service for assistance.
Contact Customer Service
    Shipment Options
  • A Gear Style
  • 14.5° Pressure Angle
  • 21 Teeth
  • 3 Diametral Pitch
  • 7 in Pitch Diameter

description

  • Martin Stock Spur Gears are available in five different styles. Contact your local Applied® service center for other styles. Steel gears are furnished in plain style and plain style with hub. Cast gears are furnished plain with hub, web with lightening holes and with spoke. Cast gears are cast with larger hub to provide extra strength and to allow for larger bores.

features

  • More cost effective, quieter running and metallic options
  • Four ball wear test 40 kg: 63 mm
  • Reliability from steel, cast iron and brass
  • Parallel shaft applications
  • Base oil viscosity: 500 SUS @ 100 °F
Pressure Angle 14.5 °
Outside Dia. [Min] 7.666 in
Bore Size [Max] 3.875 in
Torque at 900 RPM 5392.139 lb/in
Hardened Teeth Without Hardened Teeth
Bore Size 1.4375 in
Torque at 600 RPM 7142.833 lb/in
Bore Dia. [Max] 3 7/8 in
Inch/Metric Inch
Set Screw Size N/A
No. of Teeth 21
Class 6
Set Screw No
Material Steel
Diametral Pitch 3
Torque at 1800 RPM 3116.236 lb/in
Bore Type Reborable
Bore Dia. [Min] 1 7/16 in
Hub Dia. N/A
Pitch Diameter 7 in
Pitch Diameter [Min] 7 in
Torque at 300 RPM 10504.17 lb/in
AGMA Quality 6
Torque at 1200 RPM 4359.229 lb/in
Outside Dia. 7.666 in
Type A
Keyway w/o Keyway
Gear Style A
Length Through Bore 3 in
Torque at 200 RPM 12605 lb/in
Origin Reborable
Weight 30.58 LB
EAN or UPC 697950053356
We're here for you
with Service Centers across the country -
We have your back
Close Compare List Open Compare List Toggle

Product Comparison