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Product Specifications:
| Item | Spur Gear |
| Bore Dia. | 0.313" |
| Bore Type | Minimum Plain Bore |
| Diametral Pitch | 24 |
| Face Width | 1/4" |
| Hardened Teeth | Without Hardened Teeth |
| Hub Dia. | 0.67" |
| Keyway | No Kwy, Setscrew |
| Kwy/setscrew/other | 1/8"Bore= #2-56 Setscrew, 3/16"Bore= #4-40 Setscrew, 1/4"Bore= #6-32 Setscrew |
| Length Through Bore | 9/16" |
| Material | Molded Delrin |
| No. Of Teeth | 39 |
| Origin | Reborable |
| Outer Dia. | 1.708" |
| Pitch Dia. | 1 5/8" |
| Pressure Angle | 20° |
| Product Datasheet | boston-gear-g101.pdf |
| Set Screw | No Setscrew |
| Style | Hub |
| Torque At 1200 Rpm | 15.03333 lbs.-in. |
| Torque At 1800 Rpm | 12.2667 lbs.-in. |
| Torque At 200 Rpm | 24.26667 lbs.-in. |
| Torque At 300 Rpm | 22.83333 lbs.-in. |
| Torque At 600 Rpm | 19.46667 lbs.-in. |
| Torque At 900 Rpm | 16.96667 lbs.-in. |
Shipping Info:
| Ship weight (kg) | 0.02 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 2.54 |
| Ship width (cm) | 2.54 |
| Country of Origin | US |
Documentation:
Product Variants
| Product | Model | Diametral Pitch | Face Width | Pitch Dia. | Hub Dia. | Bore Dia. | Number Of Teeth | Type | Keyway | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
YPB2445 | 24 | 1/4" | 1 7/8" | 0.67" | 0.313" | - | B | No Kwy, Setscrew | €85.09 | |
![]() |
YP2421 | 24 | 0.25" | - | - | - | 21 | - | No Kwy Or Setscrew | €44.13 | |
![]() |
YP2433 | 24 | 1/4" | 1 3/8" | 0.61" | - | - | B | No Kwy, Setscrew | €52.49 | |
![]() |
YPB2448 | 24" | 1/4" | 2" | 0.67" | 5/16" | - | Web | - | €92.09 | |
![]() |
YP2448 | 24 | 1/4" | 2" | 0.67" | - | - | - | No Kwy, Setscrew | €69.20 | |
![]() |
YP2420 | 24 | 1/4" | 0.833" | 0.55" | 0.188" | - | A | No Kwy, Setscrew | €41.13 | |
![]() |
YPB2454 | 24" | 1/4" | 2 1/4" | 0.67" | 5/16" | - | Web | - | €89.64 |
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BOSTON GEAR YPB2439 Spur Gear, 24 Diametral Pitch, 20 Deg. Pressure Angle, 39 Teeth, Molded Delrin
€82.99 /unit







