SUN GEAR PRODUCTS

Hollow Sun Gears

Name: Hollow Sun Gears Manufacturers, suppliers, factory - sun-gears
SKU: hollow-sun-gears

Sun gears with through-bores or hollow interfaces for compact coaxial planetary arrangements.

Hollow Sun GearsPlanetary DriveCustom RFQ

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Technical specification / ordering data

Parameter	What to Specify
Tooth geometry	Module/DP, pressure angle, tooth count and any profile shift.
Bore	Diameter, fit, keyway/spline if present and axial length.
Wall / hub geometry	Section thickness, shoulders and retention features.
Mating components	Planet gear and ring gear data.
Material / heat treatment	Per application and drawing.
Inspection	Bore-to-tooth concentricity and required tooth measurements.

Selection points

These are the questions to close before production.

Mating planet gears

Confirm the mating tooth count, pitch system and pressure angle rather than identifying the sun gear in isolation.

Concentricity & runout

Define the datum relationship among gear teeth, bore/spline/shaft and bearing seats.

Duty

Rated and peak torque, speed, reversals, shock and life influence material/process decisions.

Inspection

Agree the report content before production when tooth or interface verification is critical.

Replacement and custom projects

Sun gears with through-bores or hollow interfaces for compact coaxial planetary arrangements.

For replacement hollow sun gears, verify bore fit, bore-to-tooth concentricity and the mating planet/ring geometry together. Photos can show the arrangement, but the controlled measurements determine interchangeability.