Specifications
Dimensions
- Bore Diameter1/8 in
- Diametral Pitch48
- Face Width0.1250 in
- Hub Diameter0.3400 in | 8.63 mm
- Hub Projection0.2500 in | 6.35 mm
- Outside Diameter0.4800 in
- Pitch Diameter0.4380 in
- Pressure Angle20 °
- Set Screw Size#4-40
Details
- Bore TypeFinished w/ Keyway & 2 SS
- Gear TypeSpur Gear
- Hub TypeHub w/ Set Screw
- MaterialBrass
- Number Of Teeth21
- Product TypeExternal Tooth Spur Gears
- Tooth StyleStraight
- Tooth TypeStraight
- UPC_NO781711539453
Overview
Mfr description
YPB4821 PLASTIC SPUR GEAR
- Boston spur gears are designed to transmit motion and power between parallel shafts.
- Configurations include spur, rack, pinion wire, stem pinions and internal gears; most with a selection of bores, keyways and set screws.
- Fine-pitch gears are available in plastic, brass, stainless steel and steel.
- Styles include plain, web, web with lightening holes or spoked.
- Change gears have consecutive numbers of teeth for a variety of ratios.
- Boston Gear manufactures both 14-1/2° and 20°PA, involute, full depth system gears.