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Product Specifications:
| Item | Spur Gear |
| Bore Dia. | 1 1/8" |
| Diametral Pitch | 6" |
| Face Width | 1 1/2" |
| Hub Dia. | 2 1/2" |
| Hub Projection | 1" |
| Key Way Size | No Keyway Or Set Screw |
| Material | Cast Iron |
| No. Of Teeth | 42 |
| Output Dia. | 7.33" |
| Overall Length | 2 1/2" |
| Pitch Dia. | 7" |
| Pressure Angle | 14.5° |
| Product Datasheet | boston-gear-g101.pdf |
| Type | Web |
Shipping Info:
| Ship weight (kg) | 4.86 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 6.35 |
| Ship width (cm) | 2.54 |
| Country of Origin | US |
Documentation:
Product Variants
| Product | Model | Pitch Dia. | No. Of Teeth | Hub Dia. | Bore Dia. | Diametral Pitch | Type | Hub Projection | Length Through Bore | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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NJ32 | 5.333" | 32 | 2 1/2" | 1 1/8" | 6 | B | - | 2 3/8" | €484.49 | |
![]() |
NJ33 | 5 1/2" | 33 | 2 1/2" | 1 1/8" | 6" | Web | 1" | - | €508.25 | |
![]() |
NJ36 | 6" | 36 | 2 1/2" | 1 1/8" | 6" | Web | 1" | - | €550.84 | |
![]() |
NJ40 | 6.667" | 40 | 2 1/2" | 1 1/8" | 6" | Web | 1" | - | €623.93 | |
![]() |
NJ48 | 8" | 48 | 2 1/2" | 1 1/8" | 6" | Spoke | 1" | - | €597.06 | |
![]() |
NJ54 | 9" | 54 | 2 1/2" | 1 1/8" | 6 | D | - | 2 3/8" | €642.51 | |
![]() |
NJ60 | 10" | 60 | 3" | 1 1/4" | 6" | Spoke | 1 1/4" | - | €677.30 |
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BOSTON GEAR NJ42 Spur Gear, 6 Diametral Pitch, 14 1/2 Deg. Pressure Angle, 42 Teeth, Cast Iron
€622.28 /unit







