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Product Specifications:
| Item | Spur Gear |
| Bore Dia. | 7/8" |
| Diametral Pitch | 10 |
| Face Width | 1" |
| For Use With | 1L903, 1L904 |
| Function | Transmitting Motion And Power Between Parallel Shafts, Minimizes Backlash To Perform Smooth And Quiet Operation, Close Concentricity Between Bore, Pitch Diameter And Outside Diameter Facilitates Reboring Modifications |
| Hub Design | Hub Without Set Screw |
| Hub Dia. | 2.13" |
| Hub Diameter | 2.12" |
| Hub Projection | 0.88" |
| Hub Projection (in.) | 0.88 |
| Keyway | No |
| Material | Cast Iron |
| Number Of Teeth | 40 |
| Outside Dia. | 4 1/5" |
| Outside Diameter | 4.2" |
| Overall Length | 1 22/25" |
| Pitch | 10 |
| Pitch Dia. | 4" |
| Pressure Angle | 14.5° |
| Pressure Angle (deg.) | 14 1/2 |
| Product Datasheet | boston-gear-g101.pdf |
| Setscrew | Not Included |
| Standards | Agma |
| System Of Measurement | Inch |
Shipping Info:
| Ship weight (kg) | 0.9 |
| Ship height (cm) | 8.13 |
| Ship length (cm) | 4.78 |
| Ship width (cm) | 13.97 |
| HS code | 8483905000 |
| Country of Origin | US |
Documentation:
Product Variants
| Product | Model | Diametral Pitch | Bore Dia. | Pitch Dia. | Hub Dia. | Hub Projection | Number Of Teeth | Outside Dia. | Type | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
NF48 | 10 | 7/8" | 4 4/5" | 2.13" | 22/25" | 48 | 5" | - | €388.24 | |
![]() |
NF42 | 10" | 7/8" | 4 1/5" | 2.13" | 22/25" | - | - | Web | €264.51 | |
![]() |
NF45 | 10" | 7/8" | 4 1/2" | 2.13" | 22/25" | - | - | Web | €282.60 | |
![]() |
NF50 | 10" | 7/8" | 5" | 2.13" | 22/25" | - | - | Web | €296.78 | |
![]() |
NF54 | 10 | 7/8" | 5.4" | 2.13" | - | - | - | C | €310.84 | |
![]() |
NF55 | 10" | 7/8" | 5 1/2" | 2.13" | 22/25" | - | - | Spoke | €306.36 | |
![]() |
NF60 | 10" | 7/8" | 6" | 2.13" | 22/25" | - | - | Spoke | €333.70 |
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BOSTON GEAR NF40 Spur Gear, 10 Diametral Pitch, 14 1/2 Deg. Pressure Angle, 40 Teeth, Cast Iron
€270.44 /unit






