Bosch Gen4 ebike motor bearings

ID: 2050-0

Ref:

Bearings for Bosch 4 ebike motors both normal and Smart System,(ie. the Performance Line CX). The Bosch Gen4 motors has motor code starting with BDU4 and the Gen4 Smart System starting with BDU37xx, BDU38xx,....). With this bearings you can make the maintenance to your Bosch of 4th generation ebike motor. Select the needed bearing or the Full Kit option.

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Different bearing kits for Bosch 4 ebike motors (both normal and Smart System, for example the Performance Line CX). The Bosch Gen4 motors has motor code starting with BDU4 and the Gen4 Smart System starting with BDU37xx, BDU38xx,... With this bearings you can make the maintenance to your Bosch Gen4 ebike motor.

- PLB40520: Right hand crankshaft bearing.
- PLB40521: Left hand crankshaft bearing.
- PLB40522: Main drive support bearing case side.
- PLB40523: Armagure support bearing left.
- PLB40524: Drive gear bearing lower housing.
- PLB40525: Transfer gear shaft needle bearing, lower housing.
- PLB40526: Gear shaft needle bearing, lower housing.
- PLB40527: Drive gear support bearing for right hand motor cover.
- PLB40528: Drive gear sprag bearing.
- PLB40529: O-ring, lower armature bearing support.
- PLB40530: O-ring, sprocket carrier.
- PLB40531: O-ring, gear shaft small.
- PLB40532: O-ring, left hand crankshaft.
- PLB40701: Full bearing overhaul kit.

NOTE: Not original Bosch replacements, but 100% compatible.

NOTE: to change Bosch bearings you will need some mechanical experience changing bearings. Change yourself the bearigs voids the motor warranty.