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Product Specifications:
| Item | Spur Gear |
| Bore Size | 7/8" |
| Bore Type | Bored To Size |
| Diametral Pitch | 8 |
| Hardened Teeth | Without Hardened Teeth |
| Hub Dia. | 1.8" |
| Keyway | With Setscrew |
| Length Through Bore | 2 3/8" |
| Material | Steel |
| No. Of Teeth | 18 |
| Outer Dia. | 2 1/2" |
| Pitch Dia. | 2 1/4" |
| Pressure Angle | 20° |
| Set Screw | Yes |
| Set Screw Size | 0.875 |
| Torque At 1200 Rpm | 596 lbs.-in. |
| Torque At 1800 Rpm | 469 lbs.-in. |
| Torque At 200 Rpm | 1086 lbs.-in. |
| Torque At 300 Rpm | 1003 lbs.-in. |
| Torque At 600 Rpm | 817 lbs.-in. |
| Torque At 900 Rpm | 689 lbs.-in. |
| Type | A |
Shipping Info:
| Ship weight (kg) | 0.9 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 2.54 |
| Ship width (cm) | 2.54 |
| Country of Origin | US |
Product Variants
| Product | Model | Diametral Pitch | Pitch Dia. | Hub Dia. | Bore Dia. | Hub Projection | Number Of Teeth | Keyway | Type | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
YH24-1-1/8 | - | - | - | - | - | - | - | - | €340.63 | |
![]() |
YH20-1 | 8 | 2 1/2" | 2.05" | - | - | - | With Setscrew | A | €261.59 | |
![]() |
YH12 | 8 | - | - | - | - | 12 | No Kwy Or Setscrew | - | €119.56 | |
![]() |
YH14 | 8" | 1 3/4" | 1.3" | 3/4" | 3/4" | - | - | Plain | €140.63 | |
![]() |
YH15 | 8 | - | - | - | - | 15 | No Kwy Or Setscrew | - | €160.81 | |
![]() |
YH16 | 8" | 2" | 1.55" | 7/8" | 22/25" | - | - | Plain | €156.92 | |
![]() |
YH18 | 8 | - | - | - | - | 18 | No Kwy Or Setscrew | - | €172.16 |
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Contact us
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We're available Monday through Friday, from 07:30 until 17:00.
BOSTON GEAR YH18-7/8 External Tooth Spur Gear
€235.64 /unit







