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Product Specifications:
| Item | Worm Gear |
| Bore Dia. | 0.188" |
| Center Distance | 0.583" |
| Diametral Pitch | 48 |
| Flush Face To Worm Centerline | 0.078 |
| Gear Outside Dia. | 0.89 |
| Hand | Right |
| Hardened Teeth | Without Hardened Teeth |
| Helix Angle | 3.5833° |
| Hub Dia. | 1/2" |
| Length Through Bore | 0.406" |
| Material | Bronze |
| Mating Worm (hard) | 48 DP |
| No. Of Leads | 1 |
| No. Of Teeth | 40 |
| No. Of Threads | 1 |
| Outer Dia. | 0.89" |
| Pitch Dia. | 0.833" |
| Pressure Angle | 14.5° |
| Product Datasheet | boston-gear-cd1145.pdf |
| Ratio | 40:1 |
| Right/left Hand | Right Hand |
| Rotation | Right Hand |
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 | Gear Ratio | Overall Length | Type | Material | Rotation | Bore Dia. | Price | |
|---|---|---|---|---|---|---|---|---|---|
![]() |
D1118 | 10:1 | 0.346" | Plain | Bronze | Right Hand | - | €101.16 | |
![]() |
D1119 | 15:1 | 0.406" | Plain | Bronze | Right Hand | - | €100.88 | |
![]() |
D1123 | - | - | - | Bronze | Right Hand | - | €214.01 | |
![]() |
D1124 | - | - | - | Bronze | Right Hand | - | €132.26 | |
![]() |
G1018 | 20:1 | 0.346" | Plain | Bronze | Right Hand | - | €91.75 | |
![]() |
G1019 | 30:1 | 0.406" | Plain | Bronze | Right Hand | - | €98.34 | |
![]() |
G1021 | 50:1 | 0.406" | Plain | Bronze | Right Hand | - | €106.54 |
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BOSTON GEAR G1020 Worm Gear, 48 Diametral Pitch, 14.5 PA, 40 Teeth, Right Hand, Bronze
€99.51 /unit







