8G-4189 BEARING-ALIGNING for CAT

PRODUCTS > Other Parts > 8G-4189 BEARING-ALIGNING for CAT

8G-4189 BEARING-ALIGNING for CAT

SPECIFICATIONS FOR PART NUMBER 8G-4189

Length (mm): 44

Inside Length (mm): 44

Outside Diameter (mm): 90

Inside Diameter (mm): 60

Outside Length (mm): 36

Diameter (mm): 80

CAT 8G-4189 Sleeve Bearing — Track-Type Tractor, Compactor & Excavator Parts

Direct-fit aftermarket replacement for the Caterpillar 8G-4189 sleeve bearing. OD 90 mm, ID 60 mm, overall length 44 mm — compatible with a wide range of CAT track-type tractors, paving compactors, wheeled excavators, Challengers, and more. Full specifications and compatibility list below.

Specifications — 8G-4189

OEM Part Number8G-4189
Part TypeSleeve Bearing
Outside Diameter (mm)90
Inside Diameter (mm)60
Diameter (mm)80
Length (mm)44
Inside Length (mm)44
Outside Length (mm)36
Compatible BrandCaterpillar (CAT)
Shipment PortXiamen / Guangzhou
Fitment CheckBy machine model, OEM number, serial number, photos or dimensions

Compatible Models — CAT 8G-4189

The 8G-4189 bearing fits across 11 Caterpillar machine categories. Verify your machine serial number before ordering — send us a photo of the worn part if the number is unreadable and we'll confirm fitment.

Machine CategoryCompatible Models
Track-Type TractorD4 · D5 · D5H · D5H XL · D5R LGP · D5R XL · D5R2 · D6GC · D6H · D6H II · D6H XL · D6H XR · D6K2 · D6K2 LGP · D6K2 XL · D6M · D6N · D6N LGP · D6N OEM · D6N XL · D6R · D6R II · D6R III · D6R LGP · D6R STD · D6R XL · D6T · D6T LGP · D6T LGPPAT · D6T XL · D6T XL PAT · D6T XW · D6T XW PAT · 5 · 5A · 5P · 5S · 6 · 6A · 6S · 6SU · 55 · 56 · 56H
Paving CompactorCP-44 · CP-44B · CP-56 · CP-56B · CP-64 · CP-68B · CP-74 · CP-74B · CP-323C · CP-433C · CP-433E · CP-533 · CP-533C · CP-533D · CP-563 · CP-563C · CP-563D · CP-563E · CP-573E · CP-663E · CP7 · CP44B · CP56B · CP68B · CP74B · CS-34 · CS-44 · CS-44B · CS-56 · CS-56B · CS-64 · CS-66B · CS-68B · CS-74 · CS-74B · CS-323C · CS-433C · CS-433E · CS-533C · CS-533D · CS-563 · CS-563C · CS-563D · CS-563E · CS-573E · CS-583E · CS7 · CS44B · CS56B · CS68B · CS74B
Challenger65 · 65B · 65C · 65D · 65E · 70C · 75 · 75C · 75D · 75E · 85C · 85D · 85E · 95E
Wheeled ExcavatorM313C · M313D · M314F · M315 · M315C · M315D · M315D2 · M316C · M316D · M316F · M317D2 · M317F · M318 · M318C · M318D · M318D MH · M318F · M320D2 · M320F
ExcavatorM312 · M315 · M315F · M318
Soil CompactorCP12 · CP14 · CP16 · CP56B · CP68B · CP74B · CS12 · CS13 · CS14 · CS16 · CS56B · CS66B · CS68B · CS74B
Vibratory CompactorCP-34 · CP-433C · CP-433E · CP-533C · CP-533D · CP-563C · CP-563D · CP-563E · CS-34 · CS-433C · CS-433E · CS-533C · CS-533D · CS-563C · CS-563D · CS-563E · CS68B
Track-Type Skidder527 · D5HTSK II
Track-Type Loader943
Work ToolGSH22 · GSH22B · GSH22-10 · GSH22-15 · GSH440 · GSH455 · GSH555
Material HandlerMH3022
TelehandlerTH103
Not sure if 8G-4189 is the right bearing for your machine? Send us the serial number or a photo of the worn part — we'll confirm the fit before anything ships.

Frequently Asked Questions

What machines use the CAT 8G-4189 bearing?

D5, D6 series track-type tractors, CP/CS paving and soil compactors, Challenger 65–95E agricultural tractors, M313–M320 wheeled excavators, 527 skidder, 943 track loader, GSH work tools, MH3022 material handler, and TH103 telehandler. Full list is in the table above.

What are the dimensions of the 8G-4189?

OD 90 mm, ID 60 mm, diameter 80 mm, length 44 mm, inside length 44 mm, outside length 36 mm.

Is this a genuine Caterpillar part?

No — aftermarket replacement from PartsCrane / Quanzhou Shunqi Construction Machinery Parts Co., Ltd. CAT and 8G-4189 are referenced only to confirm fitment. No affiliation with Caterpillar Inc.

How fast can you ship?

Single pieces go out by DHL or FedEx from Xiamen — door to door in about 5–7 days. For bulk, sea freight works out much cheaper: FCL runs 7–15 days, LCL around 25–35 days to most ports.

Last updated: July 3, 2026

Trademark notice: Caterpillar, CAT, D5, D6, Challenger, and part number 8G-4189 are referenced solely to identify fitment compatibility. Parts supplied by PartsCrane / Quanzhou Shunqi Construction Machinery Parts Co., Ltd. Not manufactured by or affiliated with Caterpillar Inc.
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