This bearing is for the original Bosch “Classic” and has a bespoke internal diameter.

Bosch Generation 1 “Classic”

bosch 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 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

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.

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.

This bearing supports the left hand side of the Bosch Gen 4 crankshaft. It will fit the Gen 4 Performance Line CX, Cargo and Speed motors.

Bosch Generation 4 motor BDU4xx.

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