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HELLA

8DD 355 120-881

Brake disc

Specifications

Brake Disc Thickness
36 mm
Centering Diameter
75 mm
Height
66.1 mm
Inner Diameter
153.7 mm
Minimum thickness
34.4 mm
Outer Diameter
348 mm
Brake Disc Type
internally vented
paired article number
8DD 355 120-891
Machining
High-carbon
Surface
Coated
Bolt Hole Circle Ø
120
Hole Arrangement/Number
05/06
Wheel Bolt Bore Diameter
16.5
Supplementary Article/Supplementary Info 2
without wheel hub
Number of bolts/screws
1
Weight
12.9

Vehicle Manufacturers

BMW(4 items)

BMW

34 11 6 785 669

BMW

34 11 6 898 729

BMW

6785669

BMW

6898729

Featured videos

Watch maintenance and replacement tutorials on YouTube.

10:20

Air Brakes Explained Simply :: Service, Parking and Emergency Brakes One & the Same

Smart Drive Test

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About this part

A brake disc (rotor) is the metal disc that the brake pads clamp onto to slow the wheel.

When the pads press against the spinning disc, friction converts the vehicle's motion into heat, which the disc dissipates; commercial vehicle discs are large and heat-resistant for high loads and repeated braking.

Mounted at the wheel as part of a disc brake. Because braking is safety critical, discs and pads are inspected on schedule and replaced by axle set by a qualified technician.

Frequently asked questions

Does 8DD 355 120-881 have compatible (OE) part numbers?

Yes — it is linked to 4 OE-compatible part number(s), shown in the compatible parts section above.

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