Product Overview — 8G-4189
Overview
Bearing 8G-4189 is a commonly used spare part in construction machinery. We can supply all the original and replacement part numbers listed below, in stock or available on order — welcome to enquire by part number.
Applicable Models & Applications
This bearing is used on Caterpillar shafts and housings, carrying load at the rated clearance and speed. Suitable for the corresponding machine model and configuration — please verify the machine model, serial number and part number match before ordering.
Maintenance & Replacement
Inspect bearings for brinelling, pitting, discolouration and correct preload/clearance whenever the machine is apart; replace as sets on the same shaft or housing. Early signs it may need attention: A growing rumble or growl that rises with speed is the classic failing-bearing noise before seizure; Metal glitter or heat staining on the bearing surface after teardown; Abnormal end play or wobble in the supported shaft.
Installation Essentials
Work on a clean machine with the engine off and the relevant system drained or depressurised as required, and confirm the part number against your machine model and serial number before ordering. Always replace bearings in matched sets and clean the housing journal pre-fit. After installation, run the machine and check for leaks, unusual noise or abnormal travel before returning it to service, and retighten where the manual calls for it after the first hours of operation.
Reference Price
The reference price for this Bearing (listed under 8G-4189) is approximately USD 35 – 85 per unit, depending on configuration, quantity and shipping destination. This is an estimate for planning purposes — please confirm current pricing and availability with our sales team before ordering.
Available Part Numbers
- 8G-4189
Also in the Bearing Series
Same-series, real numbers we also supply (always confirm fit and interchange against your machine): 5W-2813, 295-6411
Buy the right Bearing the first time — Racer Machinery confirms fit against your machine before dispatch and backs every order with inspected, verified parts. Send your part number and model for live stock and pricing.
