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Product Specifications:
| Item | Spur Gear |
| Bore Size | 1" |
| Diametral Pitch | 6 |
| Face Width | 2" |
| Hub Dia. | 2.95" |
| Keyway | No Kwy Or Setscrew |
| Material | Steel |
| Max. Torque | 1605 lbs.-in. @ 900 RPM |
| No. Of Teeth | 21 |
| Outside Dia. | 3.83" |
| Pitch Dia. | 3.5" |
| Pressure Angle | 20° |
| Product Datasheet | boston-gear-g101.pdf |
| Setscrew Other | No Setscrew |
| Torque | 1605 lbs.-in. @ 900 RPM |
Shipping Info:
| Ship weight (kg) | 2.95 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 2.54 |
| Ship width (cm) | 2.54 |
| Country of Origin | US |
Documentation:
Product Variants
| Product | Model | Pitch Dia. | No. Of Teeth | Hub Dia. | Diametral Pitch | Type | Bore Size | Torque | Max. Torque | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
YJ12 | 2" | 12 | 1.45" | 6 | - | 1" | 635 lbs.-in. @1800 RPM | 635 lbs.-in. @ 1800 RPM | €177.85 | |
![]() |
YJ14 | 2.33" | 14 | 1.78" | 6 | - | 1" | 967 lbs.-in. @1200 RPM | 967 lbs.-in. @ 1200 RPM | €201.74 | |
![]() |
YJ15 | 2.5" | 15 | 1.95" | 6 | - | 1" | 1043 lbs.-in. @1200 RPM | 1043 lbs.-in. @ 1200 RPM | €218.94 | |
![]() |
YJ16 | 2.67" | 16 | 2.13" | 6 | - | 1" | 1095 lbs.-in. @1200 RPM | 1095 lbs.-in. @ 1200 RPM | €221.78 | |
![]() |
YJ18 | 3" | 18 | 2.45" | 6 | - | 1" | 1197 lbs.-in. @1200 RPM | 1197 lbs.-in. @ 1200 RPM | €244.20 | |
![]() |
YJ24A | 4" | 24 | 3" | 6" | Plain | - | - | - | €358.21 | |
![]() |
YJ27A | 4.5" | 27 | 3.5" | 6 | - | 1.13" | 2400 lbs.-in. @ 600 RPM | 2400 lbs.-in. @ 600 RPM | €432.95 |
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Contact us
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BOSTON GEAR YJ21 Spur Gear, 6 Diametral Pitch, 20 Deg. Pressure Angle, 21 Teeth, Steel
€299.03 /unit







