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Product Specifications:
| Item | Bevel Gear |
| (hidden) Bevel Gear Type Builder | Metric x Straight SB1.25-4020 |
| (hidden) Boston Gear Builder | SB1.25-4020 Black Oxide Coated Carbon Steel |
| (hidden) Tooth Finish Type Builder | SB1.25-4020 Black Oxide Coated Carbon Steel |
| Bevel Gear & Pinion Mapping | SB1.25XR2M1.25X2040 |
| Bore Dia. | 10 mm |
| Bore Dia. Tolerance | H7 |
| Bore Type | Plain |
| Face Width | 8 mm |
| Finish | Black Oxide |
| Gear Material & Finish | Black Oxide Coated Carbon Steel |
| Gear Ratio | 2 |
| Gear Shape | B4 |
| Hub Dia. | 32 mm |
| Hub Diameter | 32 mm |
| Hub Projection | 10 mm |
| Material | Carbon Steel |
| Material Grade | S45C |
| Maximum Teeth Hardness | 194 HB |
| Metric Module Pitch | 1.25 |
| Module Pitch | 1.25 |
| Number Of Teeth | 40 |
| Outside Dia. | 50.73 mm |
| Overall Length | 18.54 mm |
| Pitch Dia. | 50 mm |
| Precision Class | JIS B 1704:1978 Grade 3 |
| Pressure Angle | 20° |
| Ratio | 2 |
| Shape | B4 |
| Surface Treatement Builder(hidden) | Black Oxide SB1.25-4020 |
| Surface Treatment | Black Oxide Coated |
| System Of Measurement | Metric |
| Tooth Finish Type | Non Ground |
| Tooth Form | Straight |
Shipping Info:
| Ship weight (kg) | 0.14 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 2.54 |
| Ship width (cm) | 2.54 |
Product Variants
| Product | Model | Module Pitch | Number Of Teeth | Pitch Dia. | Hub Dia. | Bore Dia. | Face Width | Outside Dia. | Hub Projection | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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SB1.5-2030 | 1.5 | 20 | 30 mm | 25 mm | 8 mm | 9 mm | 33.13 mm | - | €55.57 | |
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PB1.5-2030 | 1.5 | 20 | 30 mm | 25 mm | 8 mm | 9 mm | - | 8.8 mm | €54.08 | |
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SUB1.5-2030 | 1.5 | 20 | 30 mm | 25 mm | 8 mm | 9 mm | 33.13 mm | 8.8 mm | €97.21 | |
![]() |
SB1.5-3020 | 1.5 | 30 | 45 mm | 30 mm | 10 mm | 9 mm | 46.24 mm | 8 mm | €76.54 | |
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PB1.5-3020 | 1.5 | 30 | 45 mm | 30 mm | 10 mm | - | 46.24 mm | 8 mm | €76.36 | |
![]() |
SUB1.5-3020 | 1.5 | 30 | 45 mm | 30 mm | 10 mm | 9 mm | 46.24 mm | 8 mm | €141.41 | |
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SB2-2030 | 2 | 20 | 40 mm | 30 mm | 10 mm | 11 mm | 44.18 mm | 11.7 mm | €72.44 |
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Contact us
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KHK GEARS SB1.25-4020 Bevel Gear, Straight, Gear Ratio 2, Module m 1.25, 40 Teeth, Black Oxide-Coated Steel
€88.61 /unit


