SKU: GR/SS8DP/20B-0.875_INCH
SS8DP/20B-0.875 Imperial EN8 Steel Spur Gear 20 Tooth 8 DP Bored 0.875 inch (H8)
- Regular price
- €107.37 ex VAT
- Sale price
- €107,37
- Regular price
-
Quantity Price Breaks
SS8DP/20B-0.875 Imperial EN8 Steel Spur Gear 20 Tooth 8 DP Bored 0.875 inch (H8)
- Regular price
- €107.37 ex VAT
- Sale price
- €107,37
- Regular price
-
Description
Imperial Steel Spur Gears: Spur gears are one of the most common type of gears. They have straight teeth and are generally mounted on parallel shafts. They are designed to exchange speed for torque or vice-versa between input and output shafts, dependent on the gear ratios chosen they can step-up / down the output speed or torque.
Lubrication: In most cases standard lubrication by oils or greases is acceptable, gears potentially subject to severe weather or chemical exposure should have their lubrication and protection selected specifically for that application. eg: waterproof grease etc.
Material: EN8 Steel - a medium strength steel with good tensile strength manufactured to DIN standards. It can be through hardened and is readily machineable in any state.
Benefits: High quality, good tensile strength EN8 Steel, pre-bored to H8 tolerance, high quality off the shelf component.
Gear Geometry and Diametral Pitch: The reality of gear geometry and DP (modulus) is it can become quite complicated but the rule of thumb is to only use gears of the same DP together.
The modulus of an imperial gear is a ratio calculated from the ratio of the number of teeth to the standard diametral pitch diameter in inches. Gear DP must be the same between connecting gears in a drive train, bigger DP ratios have fewer teeth and will transfer larger amounts of power, smaller mod ratios will tend to be in faster and quieter applications.
Technical
| Number of Teeth | = | 20 |
| Pitch (dp) | = | 2.5 inch |
| Bore (H8) | = | 0.875 inch |
| Hub / Boss (dm) | = | 1.75 inch |
| Outside (de) | = | 2.75 inch |
| Width (A) | = | 2 inch |
| Face Width (B) | = | 1.25 inch |
| Modulus / Diametral Pitch DP | = | 8 dp |
| Tolerance unless otherwise stated | = | +- 0.01 inch |
| Pressure Angle | = | 20 degrees |
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