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Product Specifications:
| Item | Spur Gear |
| Bore Size | 1/2" |
| Bore Type | Bored To Size |
| Diametral Pitch | 20 |
| Hardened Teeth | Without Hardened Teeth |
| Hub Dia. | 0.84" |
| Keyway | With Setscrew |
| Length Through Bore | 15/16" |
| Material | Steel |
| No. Of Teeth | 20 |
| Outside Dia. | 1.1" |
| Pitch Dia. | 1" |
| Pressure Angle | 20° |
| Set Screw | Yes |
| Set Screw Size | 0.5 |
| Torque @ 1200 Rpm | 52.6 lbs.-in. |
| Torque @ 1800 Rpm | 44.9 lbs.-in. |
| Torque @ 200 Rpm | 73.7 lbs.-in. |
| Torque @ 300 Rpm | 70.8 lbs.-in. |
| Torque @ 600 Rpm | 63.5 lbs.-in. |
| Torque @ 900 Rpm | 57.5 lbs.-in. |
| Type | A |
Shipping Info:
| Ship weight (kg) | 0.07 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 2.54 |
| Ship width (cm) | 2.54 |
| Country of Origin | US |
Product Variants
| Product | Model | Pitch Dia. | No. Of Teeth | Hub Dia. | Diametral Pitch | Type | Face Width | Bore Dia. | Bore Size | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
YA14-5/16 | 0.7" | 14 | 0.55" | 20 | A | - | - | 5/16" | €73.92 | |
![]() |
YA12 | 0.6" | 12 | 0.44" | 20 | - | 0.5" | - | 0.31" | €55.84 | |
![]() |
YA14 | 0.7" | 14 | 0.55" | 20" | Plain | 1/2" | 0.313" | - | €60.93 | |
![]() |
YA15 | 0.75" | 15 | 0.59" | 20 | - | 0.5" | - | 0.38" | €58.78 | |
![]() |
YA16 | 4/5" | 16 | 16/25" | 20" | Plain | 1/2" | 3/8" | - | €60.47 | |
![]() |
YA18 | 0.9" | 18 | 3/4" | 20" | Plain | 1/2" | 3/8" | - | - | RFQ
|
![]() |
YA20 | 1" | 20 | 21/25" | 20" | Plain | 1/2" | 1/2" | - | €61.68 |
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Contact us
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We're available Monday through Friday, from 07:30 until 17:00.
BOSTON GEAR YA20-1/2 External Tooth Spur Gear
€84.17 /unit







