BOSTON GEAR NK40B Spur Gear, 5 Diametral Pitch, 14 1/2 Deg. Pressure Angle, 40 Teeth, Cast Iron
Get it by Tuesday, Sep 1
€639.30 /unit
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Product Specifications:
| Item | Spur Gear |
| Bore Dia. | 1.188" |
| Diametral Pitch | 5" |
| Face Width | 1 3/4" |
| Hub Dia. | 3" |
| Hub Projection | 1 1/4" |
| Key Way Size | No Keyway Or Set Screw |
| Material | Cast Iron |
| No. Of Teeth | 40 |
| Output Dia. | 8 2/5" |
| Overall Length | 3" |
| Pitch Dia. | 8" |
| Pressure Angle | 14.5° |
| Product Datasheet | boston-gear-g101.pdf |
| Type | Web |
Shipping Info:
| Ship weight (kg) | 7.52 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 7.62 |
| 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 | Length Through Bore | Max. Torque | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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NK30B | 6" | 30 | 3" | 1.063" | 5 | B | 3" | 1554 lbs.-in. @ 600 RPM | €564.88 | |
![]() |
NK35B | 7" | 35 | 3" | 1.188" | 5 | B | 3" | 2554 lbs.-in. @ 300 RPM | €613.70 | |
![]() |
NK45B | 9" | 45 | 3" | 1.188" | 5 | B | 3" | 2997 lbs.-in. @ 300 RPM | €711.57 | |
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NK50B | 10" | 50 | 3 1/2" | 1.188" | 5 | D | 3" | 3142 lbs.-in. @ 300 RPM | €773.77 | |
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NK60B | 12" | 60 | 3 1/2" | 1.188" | 5 | D | 3" | 3478 lbs.-in. @ 300 RPM | €896.61 | |
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NK70B | 14" | 70 | 3 1/2" | 1.188" | 5 | D | 3" | 4779 lbs.-in. @ 200 RPM | €1,128.31 | |
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NK100B | 20" | 100 | 3 3/4" | 1.313" | 5 | A | 3 1/4" | 8241 lbs.-in. @ 100 RPM | €2,266.48 |
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Contact us
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We're available Monday through Friday, from 07:30 until 17:00.
BOSTON GEAR NK40B Spur Gear, 5 Diametral Pitch, 14 1/2 Deg. Pressure Angle, 40 Teeth, Cast Iron
€639.30 /unit







