CAT 094-8233 SEAT SPRING

CAT 094-8233 (0948233) is a dedicated spring base for Caterpillar hydraulic pump/slewing motor bearing cavities. It supports the bearing preload spring and transmits axial preload force, making it suitable for the power transmission systems of medium and large excavators and loaders. It ensures reliable operation of bearings and seals, and suppresses vibration and increased clearance.

Core Parameters

Item Details
Part Model: CAT 094-8233 (0948233) Spring Base

Type: Bearing preload spring support, axial preload transmission and positioning, anti-loosening and vibration reduction

Material: 42CrMo alloy steel, tempered + blackened surface oxidation, hardness HRC40-45, tensile strength ≥1080MPa, fatigue resistant, impact resistant, and wear resistant

Key Dimensions: Inner diameter approx. 165mm, outer diameter approx. 185mm, height approx. 32mm, spring mounting groove depth approx. 14mm, single weight approx. 3.2kg

Compatible Models: CAT 349, 352 excavators, 982 loaders, hydraulic pumps and swing motors compatible with C13/C15 engines

Matching Relationships Matching preload springs, bearings, retainers (094-7940), and lower retaining rings (094-7732), this device is installed above the bearing to transmit preload force and suppress vibration.

Suitable Applications:
Suitable Locations: Top of hydraulic pump bearing housing, inside of rotary motor end cover. It supports the preload spring, evenly transmitting spring force to the bearing outer ring, providing continuous axial preload, and preventing increased bearing clearance and seal failure caused by vibration.

Application Scenarios: Heavy-duty and severe vibration conditions such as mining and large-scale earthmoving operations. Suitable for medium to large-scale equipment power systems, extending bearing life and reducing leakage risk.

Core Functions: Supports the preload spring and transmits axial preload force, maintains optimal bearing clearance, counteracts vibration impact, ensures coaxial operation, protects seals, and reduces the frequency of failures.

Installation and Maintenance Points:
Installation: Clean the mounting surface and spring groove, ensuring the base, spring, and bearing outer ring are in close contact, free from deformation and burrs; after installation, check for uniform preload force and no axial movement.

Maintenance: Check the base condition every 300 hours for cracks, deformation, and wear; replace immediately if abnormal. Regularly check the temperature and unusual noises of related components; disassemble and repair if abnormalities are found.

Replacement: Prioritize original parts; verify model and dimensions. After installation, test the power system to ensure it operates normally, without unusual noises, leaks, or looseness.