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Product Specifications:
| Item | Gear |
| Bore Dia. | 1 1/4" |
| Bushing Series | GA Series |
| Diametral Pitch | 10 |
| Face Width | 1" |
| Hardened Teeth | Without Hardened Teeth |
| Hub Dia. | 3.12" |
| Keyway | Double Keyway 180° Apart |
| Kwy/setscrew/other | With Double Kwy Only |
| Length Through Bore | 2" |
| Material | Cast Iron |
| Max. Rated Torque | 791.5 N-m @ 300 RPM |
| Max. Torque | 791.5 lbs.-in. @ 300 RPM |
| No. Of Teeth | 70 |
| Outside Dia. | 7.2" |
| Pitch Dia. | 7" |
| Pressure Angle | 14.5° |
| Product Datasheet | boston-gear-g101.pdf |
| Torque @ 200 Rpm | 942 lbs.-in. |
| Torque @ 300 Rpm | 792 lbs.-in. |
| Torque @ 600 Rpm | 535 lbs.-in. |
Shipping Info:
| Ship weight (kg) | 3.13 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 2.54 |
| Ship width (cm) | 2.54 |
| Country of Origin | US |
Documentation:
Product Variants
| Product | Model | Hub Dia. | Diametral Pitch | Pitch Dia. | Outside Dia. | Type | Bore Dia. | Pressure Angle | Face Width | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
GF32B | 1.94" | 10" | 3 1/5" | - | Plain | 1 1/4" | 14.5° | 1" | €275.00 | |
![]() |
GF33B | 1.94" | 10" | 3.3" | - | Plain | 1 1/4" | 14.5° | 1" | €275.00 | |
![]() |
GF34B | 1.94" | 10" | 3 2/5" | - | Plain | 1 1/4" | 14.5° | 1" | €282.25 | |
![]() |
GF35B | 1.94" | 10" | 3 1/2" | - | Plain | 1 1/4" | 14.5° | 1" | €282.25 | |
![]() |
GF36B | 1.94" | 10 | 3.6" | 3.8" | - | 1 1/4" | 14.5° | 1" | €295.24 | |
![]() |
GF38B | 1.94" | 10" | 3 4/5" | - | Plain | 1 1/4" | 14.5° | 1" | €297.50 | |
![]() |
GF39B | 1.94" | 10" | 3.9" | - | Plain | 1 1/4" | 14.5° | 1" | €297.50 |
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Contact us
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We're available Monday through Friday, from 07:30 until 17:00.
BOSTON GEAR GF70A Change Gear, 10 Diametral Pitch, 14 1/2 Deg. Pressure Angle, 70 Teeth, Cast Iron
€443.67 /unit







