Skip to content Skip to navigation menu
MartinS421

S421

Spur Gear
Item #100811775
  • B Gear Style
  • 14.5° Pressure Angle
  • 21 Teeth
  • 4 Diametral Pitch
  • 5.25 in Pitch Diameter
  • 2 in Face Width
  • Reborable
  • w/o Keyway
+ Show More + Show Less
MartinS421
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
  • B Gear Style
  • 14.5° Pressure Angle
  • 21 Teeth
  • 4 Diametral Pitch
  • 5.25 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
Length Through Bore 2.875 in
Torque at 600 RPM 3046.208 lb/in
Keyway w/o Keyway
Pitch Diameter 5.25 in
Hub Dia. 4 1/2 in
Set Screw Size N/A
Pitch Diameter [Min] 5.25 in
AGMA Quality 6
Hub Projection 7/8 in
Bore Size [Max] 2.625 in
Type B
Torque at 900 RPM 2380.944 lb/in
Pressure Angle 14.5 °
Bore Size 1.125 in
Inch/Metric Inch
Diametral Pitch 4
Outside Dia. 5.75 in
Bore Type Reborable
Bore Dia. [Max] 2 5/8 in
Hardened Teeth Without Hardened Teeth
Outside Dia. [Min] 5.75 in
Class 6
Bore Dia. [Min] 1 1/8 in
Torque at 1800 RPM 1435.569 lb/in
Torque at 1200 RPM 1943.271 lb/in
Set Screw No
Material Steel
Origin Reborable
Gear Style B
No. of Teeth 21
Torque at 300 RPM 4201.667 lb/in
Torque at 200 RPM 5042 lb/in
Weight 14.92 LB
EAN or UPC 697950053776
We're here for you
with Service Centers across the country -
We have your back
Close Compare List Open Compare List Toggle

Product Comparison