This bearing is for the original Bosch “Classic” and has a bespoke internal diameter.
Bosch Generation 1 “Classic”
This is one of the best sealed bearings we could find for this application.
Bosch generation 1 “Classic”
Bearing kit to replace all drive train bearings on the Bosch Gen 1 “Classic”
Bosch Generation 1 “Classic”
Bosch Gen 1 motor drive gear clutch bearing.
Bosch generation 1 “Classic”
This bearing is for the original Bosch “Classic” and has a bespoke internal diameter.
Bosch Generation 1 “Classic”
Bosch Active Line, Active Line Plus and Performance Line Gen 3 BDU3xx Armature support bearing left hand side.
Bosch Generation 3 motor BDU3xx (NOTE: Large chainring)
Bosch Active Line, Active Line Plus and Performance Line Gen 3 BDU3xx Armature support bearing right hand side.
Bosch Generation 3 motor BDU3xx (NOTE: Large chainring)
Bosch Active Line, Active Line Plus and Performance Line Gen 3 BDU3xx Freewheel clutch bearing, fits into the large drive gear.
Bosch Generation 3 motor BDU3xx (NOTE: Large chainring)
Bosch Gen 3 left hand crankshaft bearing fits in the left hand motor cover and supports the crankshaft.
Bosch Generation 3 motor BDU3xx (NOTE: Large chainring)
Kit to replace all the bearings in the Bosch Gen 3 motor. This kit will fit the Active Line, Active Line Plus and Performance Line motor (There is no Gen 3 Performance Line CX)
Bosch Generation 3 motor BDU3xx (NOTE: Large chainring)
Bosch Gen 3 Right hand crankshaft bearing fits in the right hand motor cover and supports the sprocket carrier and crankshaft.
Bosch Generation 3 motor BDU3xx (NOTE: Large chainring)
This bearing supports the electric motor armature and fits into the left hand motor cover (non drive side).
Bosch Generation 4 BDU4xx
This kit contains the bearings, seals and circlips required to overhaul the Bosch Gen 4 crankshaft. We don’t usually say this, but we would not recommend you tackle this motor without a lot of specialist tools and a strong mechanical engineering background.
This kit will fit the Gen 4 Performance Line CX, Cargo and Speed motors.
Bosch Generation 4 motor BDU4xx.
Please see bearing identifier for bearing position.
Bearing will fit the Gen 4 Performance Line CX, Cargo and Speed motors.
Please see bearing identifier for bearing position.
Bearing will fit the Gen 4 Performance Line CX, Cargo and Speed motors.
Bosch Generation 4 motor BDU4xx.
Please see bearing identifier for bearing position.
Bearing will fit the Gen 4 Performance Line CX, Cargo and Speed motors.
Bosch Generation 4 motor BDU4xx.