STS12.5/12B-8 Metric Stainless Steel Spur Gear 12 Tooth 1.25 Mod Bored 8mm (H8) Cutter Runout on Face

SKU: GR/STS12.5/12B-8

STS12.5/12B-8 Metric Stainless Steel Spur Gear 12 Tooth 1.25 Mod Bored 8mm (H8) Cutter Runout on Face

$35.08 ex VAT
$35.08
ex VAT
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STS12.5/12B-8 Metric Stainless Steel Spur Gear 12 Tooth 1.25 Mod Bored 8mm (H8) Cutter Runout on Face
SKU: GR/STS12.5/12B-8

STS12.5/12B-8 Metric Stainless Steel Spur Gear 12 Tooth 1.25 Mod Bored 8mm (H8) Cutter Runout on Face

$35.08 ex VAT
$35.08
ex VAT

Description

Metric Stainless 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: AISI 303/304 Stainless Steel or 18/8 as previously known - a medium strength steel with good tensile strength and corrosion resistance, manufactured to DIN standards. It is a tough, hard material and is readily machineable but it cannot be through-hardened.
Benefits: High quality, good tensile strength Stainless Steel, pre-bored to H8 tolerance, high quality off the shelf component.
Gear Geometry and Modulus or Mod: The reality of gear geometry and modulus is it can become quite complicated but the rule of thumb is to only use gears of the same modulus together.
The modulus of a gear is a ratio calculated from the gear diameter at half its tooth height divided by the number of teeth, gear modulus must be the same between connecting gears in a drive train, bigger mod ratios have fewer teeth and will transfer larger amounts of power, smaller mod ratios will tend to be in faster and quieter applications.

Technical

No. of Teeth = 12
Pitch (dp) = 15mm
Bore (H8) = 8mm
Hub/Boss (dm) = 17.5mm
Outside (de) = 17.5mm
Width (A) = 20mm
Face Width (B) = 8mm
Modulus or Mod = 1.25 Mod
Pressure Angle = 20 degrees

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