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Product Specifications:
| Item | Spur Gear |
| Bore Dia. | 1" |
| Bore Type | Minimum Plain Bore |
| Diametral Pitch | 8 |
| Face Width | 1 1/2" |
| Hardened Teeth | Without Hardened Teeth |
| Hub Dia. | 2 1/2" |
| Keyway | No Kwy, Setscrew |
| Keyway Size | No Keyway Or Set Screw |
| Length Through Bore | 2 3/4" |
| Material | Cast Iron |
| Maximum Rated Torque | 2014 N-m @ 300 RPM |
| Maximum Torque Rating | 2014 lbs.-in. @ 300 RPM |
| No. Of Teeth | 72 |
| Origin | Reborable |
| Outer Dia. | 9 1/4" |
| Pitch Dia. | 9" |
| Pressure Angle | 20° |
| Product Datasheet | boston-gear-g101.pdf |
| Set Screw | No |
| Torque At 200 Rpm | 2458 lbs.-in. |
| Torque At 300 Rpm | 2014 lbs.-in. |
| Torque At 600 Rpm | 1307 lbs.-in. |
| Type | D |
Shipping Info:
| Ship weight (kg) | 5 |
| 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 | Keyway | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
YH40B | 8 | 1" | 5" | 2 1/2" | - | B | - | No Kwy, Setscrew | €438.30 | |
![]() |
YH44B | 8" | 1" | 5 1/2" | 2 1/2" | 1" | Web | 2 1/2" | - | €470.75 | |
![]() |
YH48B | 8" | 1" | 6" | 2 1/2" | 1" | Web | 2 1/2" | - | €497.05 | |
![]() |
YH56B | 8" | 1" | 7" | 2 1/2" | 1" | - | 2 1/2" | - | €558.31 | |
![]() |
YH60 | 8" | 1" | 7 1/2" | 2 1/2" | 1" | Web | 2 1/2" | - | €611.06 | |
![]() |
YH64B | 8" | 1" | 8" | 2 1/2" | 1" | Spoke | 2 1/2" | - | €547.47 | |
![]() |
YH80B | 8 | 1 1/8" | 10" | 3" | - | D | - | No Kwy, Setscrew | €642.90 |
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Contact us
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BOSTON GEAR YH72B Spur Gear, 8 Diametral Pitch, 20 Deg. Pressure Angle, 72 Teeth, Cast Iron
€682.34 /unit







