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Product Specifications:
| Item | Spur Gear |
| Bore Dia. | 7/8" |
| Bore Type | Minimum Plain Bore |
| Diametral Pitch | 12 |
| Face Width | 1" |
| Hardened Teeth | Without Hardened Teeth |
| Hub Dia. | 2 1/4" |
| Keyway | No Kwy, Setscrew |
| Keyway Size | No Keyway Or Set Screw |
| Length Through Bore | 1 7/8" |
| Material | Cast Iron |
| Maximum Rated Torque | 947 N-m @ 300 RPM |
| Maximum Torque Rating | 947 lbs.-in. @ 300 RPM |
| No. Of Teeth | 108 |
| Origin | Reborable |
| Outer Dia. | 9.17" |
| Pitch Dia. | 9" |
| Pressure Angle | 20° |
| Product Datasheet | boston-gear-g101.pdf |
| Set Screw | No |
| Torque At 200 Rpm | 1156 lbs.-in. |
| Torque At 300 Rpm | 947 lbs.-in. |
| Torque At 600 Rpm | 615 lbs.-in. |
| Type | D |
Shipping Info:
| Ship weight (kg) | 3.51 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 2.54 |
| Ship width (cm) | 2.54 |
| Country of Origin | US |
Documentation:
Product Variants
| Product | Model | Diametral Pitch | Bore Dia. | Pitch Dia. | Hub Dia. | Hub Projection | Type | Overall Length | Pressure Angle | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
YD60 | 12 | 7/8" | 5" | 2.13" | - | B | - | 20° | €258.84 | |
![]() |
YD66 | 12" | 7/8" | 5 1/2" | 2.13" | 22/25" | Spoke | 1 7/8" | 20° | €278.85 | |
![]() |
YD72 | 12 | 7/8" | 6" | 2.13" | - | D | - | 20° | €286.33 | |
![]() |
YD84 | 12 | 7/8" | 7" | 2.13" | - | D | - | 20° | €369.42 | |
![]() |
YD96 | 12 | 7/8" | 8" | 2.13" | - | D | - | 20° | €411.86 | |
![]() |
YD120 | 12" | 1" | 10" | 2 1/4" | 22/25" | Spoke | 1 7/8" | 20° | €495.71 | |
![]() |
YD132 | 12" | 1" | 11" | 2 1/2" | 1" | Spoke | 2" | 20° | €649.32 |
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BOSTON GEAR YD108 Spur Gear, 12 Diametral Pitch, 20 Deg. Pressure Angle, 108 Teeth, Cast Iron
€463.86 /unit







