Overview
The Baer Brakes 6929186 is a 12-inch, right-side, one-piece brake rotor with slotted, drilled and zinc-plated faces. It is a replacement rotor for select Baer Brake systems, and it carries a modified drum lip machined for early Big Bearing systems, which is the detail to check first.
The rotor is a full cast iron vented design with a drum in the hat. Its 1.02-inch nominal thickness, 2.78-inch center hole and five-stud pattern are listed in the specifications table below.
Key features
- Slotted, drilled and zinc-plated friction surface
- Modified drum lip machined for early Big Bearing systems
- Drum in hat design
- Full cast, one-piece construction
- Vented, directional brake surface for the right side
- Dynamically balanced for smooth running
Choosing the right setup
Drilled and slotted rotors are often chosen for heavier braking loads, since the holes and slots help move gas and debris away from the pad face. They also give the pad more bite, though the holes can crack under extreme heat if the rotor is worn or overheated. Pair them with pads rated for the same temperature range rather than mixing a high-performance rotor with a soft, low-bite pad.
Because this rotor is machined for a specific hub design, it is worth confirming the hub before any other upgrade. Brake lines, calipers and the ABS tone ring often come off during a rotor swap, so inspect them while the wheel is off. Zinc-plated surfaces help resist surface rust on the hat, but the friction face still needs regular inspection for cracks around the drilled holes.
- Check the drum lip and hub design before mounting
- Inspect the ABS tone ring and wheel speed sensor
- Bed in new pads after installation
Specifications
| Brand | Baer Brakes |
|---|---|
| Part number | 6929186 |
| UPC | 844165054726 |
| Material | Cast iron |
| Construction | Full cast, one piece |
| Axle side | Right |
| Brake surface | Directional |
| Rotor type | Vented |
| Surface type | Slotted, drilled and zinc plated |
| Outside diameter | 12 in |
| Nominal thickness | 1.02 in |
| Overall height | 2.406 in |
| Center hole diameter | 2.78 in |
| Stud/lug hole quantity | 5 |
| Stud/lug hole circle diameter | 4.50 in and 4.75 in |
| Drum in hat | Yes |
| Notes | Machined for Big Bearing systems |
| ABS tone ring included | No |
| Grade type | Performance |
| Emission code | 6 |
| Country of origin | USA |
Vehicle fitment
No vehicle fitment is published for part 6929186. Match the drum lip design and the 5-stud, 4.50/4.75-inch bolt circle to your hub before ordering.
Confirm your vehicle’s year, model and trim before ordering.
Installation notes
Because the drum lip is machined for early Big Bearing systems, confirm your hub is that design before fitting. The ABS tone ring is not included, so plan for it separately when you swap the rotor.
What’s included
Rotors are sold individually. This entry covers one right-side rotor with the slotted, drilled and zinc-plated surface.
Not included: an ABS tone ring, and the opposite-side rotor, which is a separate item.
