Description
Overview
Argomarine Output Spline Shaft 1 1/4in is a precision replacement shaft designed to suit a double heavy duty thrust bearing arrangement on marine V-drive gearboxes. The splined profile supports positive torque transfer while helping to maintain concentricity and alignment under load. Part Number AM1044 identifies this specific 1 1/4in output variant.
Features
- Precision external spline for consistent torque transfer and repeatable fit
- Engineered to suit double heavy duty thrust bearing assemblies
- 1 1/4in output shaft size for common marine gearbox set-ups
- Service-friendly design to simplify removal and replacement
Specifications and Materials
| Product Type | Splined output shaft |
| Output Size | 1 1/4in |
| Bearing Arrangement | Suits double heavy duty thrust bearing |
| Part Number (ID) | AM1044 |
For background on thrust bearing types, loads and selection principles, see the Timken Thrust Bearing Catalog at Timken.
Compatibility and Fitment: Argomarine Output Spline Shaft 1 1/4in
This shaft is intended for marine V-drive transmissions using a double heavy duty thrust bearing with a 1 1/4in output. Before ordering, match the spline form and tooth count to your mating hub and confirm overall shaft length and shoulder positions against your gearbox drawing. If you are replacing a worn shaft, inspect the mating female spline and both thrust races for pitting, fretting or misalignment to avoid premature wear on the new part.
Compliance and Safety
Install with correct bearing pre-load and axial end-float as specified by the gearbox manufacturer. Use clean assembly practices and suitable anti-seize on the spline if specified by your service manual. After installation, verify smooth rotation and check for abnormal axial movement during a short, no-load run-up.
Marine Applications: Argomarine Output Spline Shaft 1 1/4in
Typical uses include ski-boat and workboat V-drive gearboxes where axial loads are handled by a double thrust bearing while torque is transmitted through the output spline to downstream couplings. The 1 1/4in size is widely used in compact driveline layouts to balance strength, space and serviceability.
Why Choose Argomarine
Argomarine focuses on practical, field-serviceable driveline parts for Australian boats. You get parts specified for marine duty, backed by technical support that understands V-drive layouts and thrust control.
As you plan a full rebuild or upgrade, explore our gear box parts for V-drive transmissions and related spares.
