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Product Specifications:
| Item | Spur Gear |
| Bore Size | 7/8" |
| Bore Type | Bored To Size |
| Diametral Pitch | 10 |
| Hardened Teeth | Without Hardened Teeth |
| Hub Dia. | 2.41" |
| Keyway | With Setscrew |
| Length Through Bore | 1 7/8" |
| Material | Steel |
| No. Of Teeth | 28 |
| Outer Dia. | 3" |
| Pitch Dia. | 2.8" |
| Pressure Angle | 20° |
| Set Screw | Yes |
| Set Screw Size | 0.875 |
| Torque At 1200 Rpm | 499 lbs.-in. |
| Torque At 1800 Rpm | 385 lbs.-in. |
| Torque At 200 Rpm | 990 lbs.-in. |
| Torque At 300 Rpm | 901 lbs.-in. |
| Torque At 600 Rpm | 710 lbs.-in. |
| Torque At 900 Rpm | 586 lbs.-in. |
| Type | A |
Shipping Info:
| Ship weight (kg) | 1.24 |
| 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 | Type | Keyway | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
YF12 | 10" | 1 1/5" | 0.91" | 5/8" | 0.62" | - | Plain | - | €79.81 | |
![]() |
YF14 | 10 | - | - | - | - | 14 | - | No Kwy Or Setscrew | €94.15 | |
![]() |
YF15 | 10" | 1 1/2" | 1.22" | 3/4" | 0.62" | - | Plain | - | €97.58 | |
![]() |
YF16 | 10 | - | - | - | - | 16 | - | No Kwy Or Setscrew | €110.43 | |
![]() |
YF18 | 10" | 1 4/5" | 1.41" | 3/4" | 0.62" | - | Plain | - | €117.63 | |
![]() |
YF20 | 10" | 2" | 1.61" | 7/8" | 0.62" | - | Plain | - | €126.27 | |
![]() |
YF24 | 10" | 2 2/5" | 2.01" | 7/8" | 0.62" | - | Plain | - | €140.63 |
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Contact us
Contact your account manager right away to get personal advice.
We're available Monday through Friday, from 07:30 until 17:00.
BOSTON GEAR YF28-7/8 External Tooth Spur Gear
€244.38 /unit







