PROX MAIN BEARING

§ 01 / Part

09240623 MAIN BEARING

Fits 5 bikes
RRP £36.04 Save 20%
£28.83

incl. VAT

In stock — ships in 3 working days

Usually dispatched within 3 working days.

Part #: 09240623

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PROX

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§ 02 / About this part

What it is

The PROX MAIN BEARING, motocross part. Stocked by Iron Offroad, the UK MX hard parts specialist.

This component supports your crankshaft within the crankcases. It is the foundation of your bottom-end. High-hour engines or water ingress lead to pitting and play. Replace these during any full engine strip to prevent catastrophic crank failure. These match OEM specifications for precise tolerances and load ratings. Ensure your cases are clean and heated before pressing the new units home. Check your workshop manual for specific seating depths. Proper lubrication on assembly is vital for the initial start-up. Keep your bottom-end tight and vibration-free.

§ 03 / Specs

The numbers

Brand
PROX
Part number
09240623
Weight
0.40 kg
VAT
20%

// Fitment

Will it fit your bike?

Fits 5 models · 5 year-bands

* Fitment data is provided as a guide. Verify compatibility against the bike's owner's manual or service handbook before ordering. Iron Offroad accepts no liability for incorrect application. Full terms and conditions apply.

§ 05 / About Iron Offroad

Iron Offroad

Iron Offroad is the off-road sibling of Iron City and Iron Stable — a UK shop for motocross, enduro, and trail-bike hard parts. Every fitment lives on the site, listed against KTM, Husqvarna, GasGas, Yamaha, Honda, Kawasaki, Suzuki, and Beta. Pick your bike on the timing-tower. Our USP is the data: fully enriched fitment so you find the right part for your bike quickly and get it fitted accurately. Brands you'd find on a paddock workbench — pads, sprockets, plastics, fork seals, cables, gaskets, bars, the things that actually wear out. Road-bike kit, scooter parts, and quad gear sit elsewhere; dirt and e-moto only. We operate from our storage facility in Leeds. Iron Offroad is a trading name of Iron Stable Ltd, registered in Mildenhall — Company No. 17061294. The business has a rich motorcycle history across multiple moto brands — the photos show where we came from — and recently pivoted into hard parts and online retail.
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Free UK shipping over £100 14-day no-quibble returns OEM-grade parts only UK support · Tue–Fri 9–5, Sat 9–4 Race-shop prices, paddock service Collection from Leeds by arrangement
Free UK shipping over £100 14-day no-quibble returns OEM-grade parts only UK support · Tue–Fri 9–5, Sat 9–4 Race-shop prices, paddock service Collection from Leeds by arrangement