Parts for your 2012 Mazda Axela-Centre bearing

2012 Mazda Axela centre-bearing — is it a thing?

Short answer: a centre-bearing isn’t fitted to the 2012 Mazda Axela (Mazda3 BL series), so it’s not a service item on this model. That’s because the Axela is built on a front‑wheel drive layout with a transaxle and two short front driveshafts, not a long, two‑piece propeller shaft that would need a centre support bearing.

This isn’t guesswork. Technical sources confirm the driveline layout and parts list for the BL series:

• Mazda Axela/Mazda3 BL Workshop Manual — Driveline/Axles: shows a FWD transaxle with left and right driveshafts, there’s no propeller shaft or centre support bearing in the system.
• Mazda Electronic Parts Catalogue (EPC) for 2012 BL: no catalogue group for “propeller shaft” or “centre support bearing” on Axela/Mazda3 variants.
• 2012 Mazda3 (Axela) specifications/brochures: drivetrain listed as front‑wheel drive across the range, including MPS/Mazdaspeed models (high output, still FWD).

Centre-bearings live on rear‑wheel drive or all‑wheel drive vehicles with a split, two‑piece prop shaft — think utes, larger SUVs, or longitudinal platforms. The Axela doesn’t have that shaft, so there’s nowhere to mount a centre-bearing.

If someone’s chasing a “centre-bearing” noise on a 2012 Axela, it’s worth pointing attention to parts that can make similar groans or vibrations:

• Outer/inner CV joints and split CV boots
• Front wheel bearings
• Engine and transmission mounts under load
• Tyre condition and balance
• Intermediate (right‑hand) driveshaft support bearing on some engine/trans combos — this isn’t a prop‑shaft centre-bearing, but it can rumble when worn

Bottom line: there’s no centre-bearing to replace on a 2012 Mazda Axela. A proper inspection should focus on the front driveshafts, bearings, mounts and tyres to sort vibration or droning complaints.

• Does a 2012 Mazda Axela have a centre-bearing?
  No. The BL‑series Axela is front‑wheel drive and doesn’t use a two‑piece prop shaft, so there’s no centre support bearing fitted or listed in Mazda’s parts catalogue.
• What noises get mistaken for a bad centre-bearing on an Axela?
  Common culprits are worn CV joints, a noisy front wheel bearing, or tired engine/trans mounts causing vibration under load. Tyre cupping or poor balance can drone like a driveline issue too.
• What should be serviced instead of a centre-bearing?
  Regularly check CV boots for splits, listen for clicking on lock (CVs), check for wheel‑bearing hum that changes with road speed, inspect mounts for sagging, and keep tyres rotated, balanced and at the right pressures.