PROX Crankshaft Bearing 25x62x17mm for KTM EXC 150, SX 150, HUSQVARNA TE 150, HUSABERG TE 125 and GAS GAS MC 125 2012-2025

PROX offers this engine bearing for KTM EXC 150, SX 150, HUSQVARNA TE 150, HUSABERG TE 125 and GAS GAS MC 125 2012-2025. The engine’s shafts run on ball or roller bearings in the cases. They carry heavy loads at high revs and eventually develop play.

What is this bearing made of?

Races and balls (or rollers) in hardened chrome steel, 100Cr6 type: a very hard steel that withstands the fatigue of millions of engine revolutions.

• Open bearing: unsealed, it is lubricated and cooled by the engine oil; clean oil is its best protection.
• C3 / C4 internal clearance: slightly more clearance than normal for a hot engine’s expansion; always refit the original clearance.
• Limit: it dislikes dust and old oil; running short of oil destroys it within minutes.

Why choose PROX?

ProX uses Koyo or NTN bearings, largely made in Japan in OEM factories, with the original internal clearance (C3 / C4).

When should you replace the bearings?

On competition bikes the main bearings are replaced at every bottom-end rebuild, at the hours recommended by the manufacturer. With the cases open, spin each bearing by hand: the slightest rough spot means it must go.

Specifications and fitting tips

• Manufacturer part number: 23.6305JR2

Cross-Mania tip: Heat the cases to remove and fit the bearings without forcing them, and replace the oil seals at the same time.

Also needed with this part

• Complete engine gasket kit : CENTAURO · ATHENA
• 2-stroke oil : LIQUI MOLY 1 L · LIQUI MOLY 4 L

Compatibility

Check the exact model and year of your bike in the list below before ordering.

Fits:
GAS GAS MC 125 2022
GAS GAS MC 125 2021
HUSABERG TE 125 2014
HUSABERG TE 125 2013
HUSABERG TE 125 2012
HUSQVARNA TE 150 2024
HUSQVARNA TE 150 2023
HUSQVARNA TE 150 2022
HUSQVARNA TE 150 2021
HUSQVARNA TE 150 2020
KTM EXC 150 2024
KTM EXC 150 2023
KTM EXC 150 2022
KTM EXC 150 2021
KTM EXC 150 2020
KTM SX 150 2025
KTM SX 150 2024
KTM SX 150 2023
KTM SX 150 2022
KTM SX 150 2021
KTM SX 150 2020
KTM SX 150 2019
KTM SX 150 2018
KTM SX 150 2017
KTM SX 150 2016