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Description
53502 – Hydro-Gear Thrust Bearing with Plastic Cage (OEM-Spec)
The Hydro-Gear 53502 Thrust Bearing with Plastic Cage is a genuine OEM-spec internal transmission bearing designed to support axial (thrust) loads within Hydro-Gear hydrostatic transaxles and pump assemblies. Engineered to Hydro-Gear’s exact specifications, this bearing helps reduce friction between rotating components, maintain proper shaft alignment, and ensure smooth, efficient operation under load. Featuring a durable plastic cage for consistent ball spacing and reliable performance, the 53502 thrust bearing is a critical component for long-term hydrostatic drive durability.
Product Details
Manufacturer Part Number: 53502
Brand: Hydro-Gear (OEM-Spec)
Part Type: Thrust Bearing (Plastic Cage)
Function: Supports axial load and reduces friction in hydrostatic systems
Bearing Style: Ball thrust bearing with molded plastic cage
Application: Hydro-Gear hydrostatic transmissions and pump assemblies
Construction: Hardened steel bearing surfaces with durable plastic retainer
OEM Status: Genuine Hydro-Gear replacement part
Function
Supports thrust (side-to-side) loads within hydrostatic transmission components
Reduces friction between rotating shafts and internal assemblies
Maintains proper spacing and alignment of bearing balls via plastic cage
Helps ensure smooth power transfer and consistent drive performance
Extends transmission life by minimizing wear under heavy operating loads
Compatible With
The Hydro-Gear 53502 Thrust Bearing is used in select Hydro-Gear drive systems, including:
Hydro-Gear integrated hydrostatic transaxles
Pump and motor assemblies requiring thrust bearing support
Equipment models specified in Hydro-Gear parts diagrams listing part number 53502
Always confirm compatibility by checking your Hydro-Gear transmission model number and the official parts breakdown before ordering.
How It’s Used
This thrust bearing is installed internally within the hydrostatic transmission or pump housing:
Drain hydraulic fluid and clean the service area before disassembly.
Access the internal bearing location according to the transmission service manual.
Remove worn thrust bearing carefully, noting orientation.
Inspect mating surfaces for scoring or excessive wear.
Install the new Hydro-Gear 53502 bearing in the correct position.
Reassemble transmission components and refill with proper hydraulic oil.
Test operation to ensure smooth, quiet performance under load.
Proper installation is essential for reliable hydrostatic operation.
Suggested Maintenance
Maintain clean hydraulic fluid to reduce internal wear
Inspect transmission performance regularly for noise or thrust-related play
Replace thrust bearings during major transmission rebuilds or service intervals
Avoid contamination during installation by working in a clean environment
Use only OEM-spec Hydro-Gear bearings for correct fit and long service life
The Hydro-Gear 53502 Thrust Bearing with Plastic Cage is a dependable OEM-spec replacement designed to support axial loads, reduce internal friction, and ensure long-lasting performance in compatible Hydro-Gear hydrostatic transmission systems.


