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Product Specifications:
| Item | Spur Gear |
| Bore Dia. | 1.063" |
| Diametral Pitch | 5" |
| Face Width | 1 3/4" |
| Hub Dia. | 1.77" |
| Hub Projection | 22/25" |
| Material | Steel |
| No. Of Teeth | 12 |
| Output Dia. | 2 4/5" |
| Overall Length | 2 5/8" |
| Pitch Dia. | 2 2/5" |
| Pressure Angle | 14.5° |
| Product Datasheet | boston-gear-g101.pdf |
| Type | Plain |
Shipping Info:
| Ship weight (kg) | 0.95 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 6.67 |
| Ship width (cm) | 2.54 |
| Country of Origin | US |
Documentation:
Product Variants
| Product | Model | Pitch Dia. | No. Of Teeth | Hub Dia. | Diametral Pitch | Torque | Max. Torque | Material | Pressure Angle | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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NK11B | 2.4" | 11 | 1.77" | 5 | 753 lbs.-in. @1200 RPM | 753 lbs.-in. @ 1200 RPM | Steel | 14.5° | €242.10 | |
![]() |
NK14B | 2 4/5" | 14 | 2.17" | 5" | - | - | Steel | 14.5° | €260.64 | |
![]() |
NK15B | 3" | 15 | 2.38" | 5 | 1000 lbs.-in. @1200 RPM | 1000 lbs.-in. @ 1200 RPM | Steel | 14.5° | €283.95 | |
![]() |
NK16B | 3.2" | 16 | 2.58" | 5 | 1262 lbs.-in. @ 900 RPM | 1262 lbs.-in. @ 900 RPM | Steel | 14.5° | €296.78 | |
![]() |
NK18B | 3 3/5" | 18 | 2.97" | 5" | - | - | Steel | 14.5° | €332.52 | |
![]() |
NK20B | 4" | 20 | 3.38" | 5 | 1539 lbs.-in. @ 900 RPM | 1539 lbs.-in. @ 900 RPM | Steel | 14.5° | €345.19 |
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BOSTON GEAR NK12B Spur Gear, 5 Diametral Pitch, 14 1/2 Deg. Pressure Angle, 12 Teeth, Steel
€242.10 /unit






