Scorpion SPSHK40BK HK-40 Outrunner Motor Bearing Replacement Kit  [SPSHK40BK]

HK-40 Outrunner Bearing Service Kit

This bearing kit is a straightforward spare part for Scorpion HK-40 series outrunner RC motors, supplied as a direct replacement to restore bearing function during routine maintenance. The parts focus on the bearing elements that support the motor shaft and reduce rotational friction in RC-scale outrunner motors.

Fit guidance: the kit is intended for HK-40 series outrunner motors; check the motor's bearing seats and shaft dimensions to confirm proper fit before installation. Do not assume interchangeability with different motor families without measuring.

Installation notes: remove the motor endbell or rotor assembly following your motor's service procedure, extract the worn bearings carefully, and press in the replacements so they seat squarely without applying pressure to the inner race only. Reassemble and confirm smooth free spin and minimal endplay before returning the motor to service.

Tuning and service role: swapping worn bearings helps maintain smooth RPM response and reduces friction-related heat, supporting consistent motor performance in everyday RC use. Regular inspection and timely bearing replacement will keep HK-40 outrunner motors running as expected under typical operating conditions.