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Product Specifications:
| Item | Spur Gear |
| Bore Diameter | 1/4" |
| Bore Type | Minimum Plain Bore |
| Diametral Pitch | 48 |
| Face Width | 1/8" |
| Hardened Teeth | Without Hardened Teeth |
| Hub Dia. | 0.61" |
| 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 | 3/8" |
| Material | Molded Delrin |
| No. Of Teeth | 120 |
| Origin | Reborable |
| Outer Dia. | 2.542" |
| Pitch Dia. | 2 1/2" |
| Pressure Angle | 20° |
| Product Datasheet | boston-gear-g101.pdf |
| Set Screw | No Setscrew |
| Style | Hub |
| Torque At 1200 Rpm | 14.1 lbs.-in. |
| Torque At 200 Rpm | 32.4 lbs.-in. |
| Torque At 300 Rpm | 28.7 lbs.-in. |
| Torque At 600 Rpm | 21.3 lbs.-in. |
| Torque At 900 Rpm | 17 lbs.-in. |
Shipping Info:
| Ship weight (kg) | 0.01 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 2.54 |
| Ship width (cm) | 2.54 |
| Country of Origin | US |
Documentation:
Product Variants
| Product | Model | Face Width | Pitch Dia. | Hub Dia. | Bore Dia. | Number Of Teeth | Keyway | Type | Diametral Pitch | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
YPB4848 | 0.13" | 1" | 0.61" | - | - | No Kwy, Setscrew | - | 48 | €64.20 | |
![]() |
YPB4896 | 1/8" | 2" | 0.61" | - | - | No Kwy, Setscrew | B | 48 | €77.49 | |
![]() |
YPB4872 | 0.13" | - | - | - | - | No Kwy Or Setscrew | - | 48 | €71.94 | |
![]() |
YP4824 | 1/8" | 1/2" | 0.41" | 0.156" | - | No Kwy, Setscrew | A | 48 | €31.93 | |
![]() |
YP48108 | 1/8" | 2 1/4" | 0.61" | - | - | No Kwy, Setscrew | B | 48 | €61.86 | |
![]() |
YP4848 | 0.13" | - | - | - | - | No Kwy Or Setscrew | - | 48 | €36.96 | |
![]() |
YP4896 | 1/8" | 2" | 0.61" | - | - | No Kwy, Setscrew | B | 48 | €53.51 |
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Contact us
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We're available Monday through Friday, from 07:30 until 17:00.
BOSTON GEAR YPB48120 Spur Gear, 48 Diametral Pitch, 20 Deg. Pressure Angle, 120 Teeth, Molded Delrin
€90.80 /unit







