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Buy SI3-50 Steel Internal Gear | Spur Gears

Module 3 | 50 Teeth

Price (0-9) £286.01 each
Price (10+) £258.25 each
Typically available 10-14 days from order, subject to manufacturer's stock availability. (Please contact us for precise availability, if required)
Steel Internal Gears Specification
Precision Grade JIS grade N8 (JIS B1702-1: 1998) JIS grade 4 (JIS B1702: 1976)
Gear Teeth Standard full depth
Pressure Angle 20°
Material S45C
Heat Treatment
Tooth Hardness (less than 194HB)

Primary information

Product No. SI3-50
Module 3 Number Of Teeth 50
Shape T1 Bore (A) 0mm
Pitch Diameter (C) 150mm Outside Diameter (D) 144mm
Face Width (E) 30mm Series Code 21
Backlash Low 0.19mm Backlash Up 0.41mm

Secondary information

Out Diameter 220 Allowable Torque Bending Strength Kgf 71.02
Allowable Torque Surface Durability Kgf 18.1 Allowable Torque Bending Strength N 696.5
Allowable Torque Surface Durability N 177.5
Price (0-9) £286.01 each
Price (10+) £258.25 each
Typically available 10-14 days from order, subject to manufacturer's stock availability. (Please contact us for precise availability, if required)

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