The wheel hub is a critical component of the chassis Nissan Almera Classic, the accuracy of whose parameters determines not only the correct fit of the discs, but also the safety of driving. Owners of this model (also known as Nissan Almera N16 or Samsung SM3 in some markets) are often faced with the need to replace hubs due to bearing wear, deformation after an accident or when tuning rims. However, an error in selection even by 1–2 mm can lead to vibrations, accelerated wear of rubber or damage to suspension elements.

In this article we will analyze in detail all key hub sizes for Almera Classic (including restyled versions 2006–2012), we will explain how to correctly measure the parameters PCD, ET And DIA, and also provide a table of compatibility with analogues from other models Nissan and brands. We will pay special attention to typical errors in selection and their consequences - from steering wheel beating to wheel bearing destruction.

Technical parameters of the Nissan Almera Classic hub: official data

For Nissan Almera Classic (body B10/N16, 2006–2012) the manufacturer states the following standard hub sizes:

  • 🔧 Center Hole Diameter (DIA): 66.1 mm - a critical parameter, since even a minimal mismatch will make it impossible to install a disk without adapter rings.
  • 📏 Bolt Pattern (PCD): 4x114.3 mm - standard for most models Nissan this generation. An error in PCD measurement (for example, confusing it with 4x100) is one of the most common when selecting disks.
  • ⚖️ Departure (ET): from +35 to +45 mm (depending on the year of manufacture and configuration). A deviation from this range of more than ±5 mm requires adjustment of the suspension.
  • 🔩 Mounting bolt thread: M12×1.25 - important to consider when replacing hubs or switching to after-market wheels.

Important: parameters for front and rear axle Almera Classic are identical, but the wheel bearings have different part numbers (see table below). This is due to the different load and design of the brake mechanisms.

📊 What year is your Almera Classic?
  • 2006–2008
  • 2009–2010
  • 2011–2012
  • I don't know

Table of hub sizes and articles for Almera Classic

Parameter Front axle Rear axle Notes
Diameter DIA 66.1 mm 66.1 mm Tolerance: ±0.1mm
PCD (bolt pattern) 4×114.3 4×114.3 Analogues: Nissan Note E11, Micra K12
Departure ET +38…+42 mm +35…+45 mm For wheels R15–R16
Hub article number 40520-BM00A 40520-4M000 Original Nissan, price ~5,000–7,000 RUR
Bearing 40521-4M000 40521-4M010 Replacement only in pairs on one axis!

⚠️ Attention: When purchasing hubs for Almera Classic with mileage >150 thousand km, be sure to check the condition of the bearing seat. Wear of more than 0.3 mm requires replacement of the entire hub assembly, not just the bearing. The use of repair bushings or “repair” bearings of increased size is unacceptable - this leads to play and destruction of the unit after 10–20 thousand km.

How to measure the hub parameters yourself: step-by-step instructions

If you doubt the originality of the hubs on your car or plan to install wheels from another model, you must accurately measure all parameters. For this you will need:

  • 📐 Vernier caliper with digital scale (error no more than 0.05 mm).
  • 🔑 Ruler or special PCD template (sold in auto stores).
  • 🧲 Magnet for checking metal (exclude low quality aluminum alloys).

Make sure the car is on a level surface and the handbrake is engaged

Clean the hub from dirt and rust (use WD-40 and a wire brush)

Measure the diameter of the central hole (DIA) at 3 points - variation of more than 0.1 mm is unacceptable

Determine PCD: Measure the distance between the centers of opposite bolts and multiply by 1.414 (for 4 holes)

Check the offset (ET) using a straight edge and square (technique described below)-->

To measure departure (ET):

  1. Install the wheel on the hub and tighten the bolts to a torque of 90–110 Nm.
  2. Attach a ruler to the rim of the disk (from the outside) and measure the distance to the plane of the hub (A).
  3. Turn the wheel over and measure the distance from the inner surface of the rim to the hub (B).
  4. Calculate ET using the formula: ET = (B – A)/2 + A – C, where C — disk rim width in mm.

⚠️ Attention: If you get a PCD reading of 113.5–114.0 mm, this may indicate hub deformation (for example, after a strong blow). In this case, replacement of the unit is required, since even a minimal displacement of the holes will lead to uneven tightening of the bolts and vibrations at speeds above 80 km/h.

Compatibility of Almera Classic hubs with other Nissan models

Thanks to the unification of the platform Nissan B, hubs from Almera Classic Interchangeable with several brand models. However, there are nuances:

  • 🔄 Full compatibility (all parameters are identical): Nissan Note E11 (2006–2012), Micra K12 (2002–2006), Tiida C11 (2004–2012).
  • ⚠️ Partial compatibility (verification required): Nissan Juke F15 (rear axle only, PCD is the same, but offset may vary).
  • ❌ Incompatible despite the visual similarity: Nissan Qashqai J10 (PCD 5×114.3), X-Trail T31 (bolt pattern 5×114.3).
Details on Tiida C11

Hubs from Nissan Tiida (C11 body) fits Almera Classic only provided that the Tiida is equipped with brake discs with a diameter of 258 mm (and not 280 mm in the version with the 1.8 engine). Otherwise, the brake shields may need to be replaced.

When purchasing used hubs from compatible models, be sure to check:

  1. The condition of the bolt threads - wear or “licked” edges make the assembly unsafe.
  2. No cracks in the bearing seat area (use a magnifying glass or endoscope).
  3. Markings on the back of the hub - original parts Nissan have an engraving with the article number.

Typical mistakes when selecting and replacing hubs

Mistake #1: Ignoring difference in offset (ET). Installing discs with ET +30 mm instead of standard +40 mm moves the wheel outward by 10 mm. This leads to:

  • Accelerated wear of the wheel bearing (30–40% faster).
  • Increased load on the ball joint and suspension arm.
  • Failure to pass technical inspection due to protruding wheel elements beyond the dimensions of the body.

Mistake #2: Using "universal" spacers. Spacers with a thickness of more than 5 mm without modification of the suspension violate the geometry of the wheelbase. For example, on Almera Classic A 15 mm spacer increases the rolling shoulder by 20%, which leads to a “stiff” steering wheel and uneven tire wear.

Mistake #3: Savings on bearings. Bearings from unknown brands (e.g. Febi or Optimal) serve 2–3 times less than the original ones NSK or Koyo. Signs of a poor quality bearing:

  • 🔊 Crunch when turning the steering wheel at low speeds (even a new one).
  • 🌡️ Overheating of the hub after 30–40 km (temperature above 70°C).
  • 🔧 Backlash when checking the “swaying” of the wheel (we only allow a minimum gap of 0.01–0.03 mm).
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When replacing a wheel bearing, always use a new snap ring (Part No. 40528-4M000). Reusing an old ring in 80% of cases leads to its failure when pressing the bearing.

When a hub replacement is required: signs and diagnosis

Hub Nissan Almera Classic requires replacement if the following symptoms occur:

Sign Probable Cause Urgency of repair
Steering wheel vibration at speeds of 60–90 km/h Hub deformation or wheel imbalance ⚠️ Medium (risk of accelerated wear of the suspension)
A hum or howl from the wheel that gets worse when turning Wheel bearing wear 🚨 High (risk of wheel jam)
Wheel play when checking "with the car hanging" Destruction of the bearing or loosening of the mounting bolts 🚨 Critical (operation prohibited)
Uneven rubber wear (sawtooth pattern) Wheel alignment violation due to a deformed hub ⚠️ Average

To diagnose a wheel bearing:

  1. Raise the car on a jack and spin the wheel to 30–40 rpm.
  2. If you hear a crunching or grinding noise, the bearing requires replacement.
  3. Check the play by rocking the wheel in a vertical plane. Allowable play: 0 mm.

⚠️ Attention: On Almera Classic With ABS, the wheel speed sensor is integrated into the wheel bearing. When replacing it, reinstallation of the sensor is required (part number 40525-4M000) or purchasing a bearing with a built-in sensor (20–30% more expensive). Ignoring this will result in an error C1130 (ABS sensor malfunction) on the dashboard.

Recommendations for choosing spare parts: original vs analogues

When choosing hubs for Almera Classic owners are faced with a dilemma: buy original parts or analogues. Let's look at the pros and cons of each option:

  • 🔹 Original hubs Nissan:
    • ✅ Guaranteed compatibility and service life of 100–150 thousand km.
    • ✅ Accurate geometry (no beating or vibration).
    • ❌ Price: 5,000–7,000 ₽ per piece (without bearing).
  • 🔹 Analogues from SKF, Febi, TRW:
    • ✅ Price is 30–50% lower (for example, hub SKF VKBA 3603 costs ~3,500 ₽).
    • ✅ Availability in most stores.
    • ❌ The resource is 20–40% lower (especially for Febi And Optimal).
  • 🔹 Used hubs from disassembly:
    • ✅ Price from 1,000 ₽ (subject to good condition).
    • ❌ Risk of purchasing a part with hidden defects (cracks, bearing wear).

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When purchasing analogues, be sure to check the catalog numbers with the original. For example, hub SKF VKBA 3603 Suitable for front axle only Almera Classic 2006–2010 For the restyled version 2011–2012 it is required SKF VKBA 3605 (differs in the design of the ABS sensor mounting).

When choosing a bearing, give preference to brands NSK (article 6203-2RS for the front axle) or Koyo. They supply spare parts to the assembly line Nissan, therefore the service life of such bearings is comparable to the original. Avoid Chinese brands GMB or NAK — their bearings often “fall apart” after 20–30 thousand km.

FAQ: Frequently asked questions about Nissan Almera Classic hubs

Is it possible to install a hub from a Nissan Juke on an Almera Classic?

No, despite the same PCD 4×114.3, hubs Nissan Juke F15 have a different diameter of the central hole (DIA 69.1 mm instead of 66.1 mm) and a different design for fastening the brake disc. Using adapter rings will not solve the problem, as the alignment of the wheel will change.

What is the tightening torque for the Almera Classic hub bolts?

To attach the wheel to the hub: 90–110 Nm. For the bolts securing the hub itself to the steering knuckle: 80–95 Nm. Tightening must be done in a criss-cross pattern in 2 stages: first 50 Nm, then final tightening to the nominal value.

What happens if you do not replace the wheel bearing when there is 0.5 mm play?

Play 0.5 mm in the hub bearing Almera Classic considered critical. Consequences:

  1. Accelerated wear of the ball joint and suspension arm (2-3 times faster).
  2. Risk of the wheel falling off at speed due to bearing destruction.
  3. Uneven wear of rubber (the tread wears off in “bumps”).
  4. Loss of control when braking on a wet road (the wheel may lock).

The average mileage until complete destruction of a bearing with a backlash of 0.5 mm is 1,000–3,000 km.

Is it possible to grind an Almera Classic hub with a runout of 0.3 mm?

Grooving the hub is possible only in the case of minimal runout (up to 0.15 mm) and provided that the wall thickness allows the removal of a layer of metal. A runout of 0.3 mm cannot be eliminated with a groove - this requires replacing the hub. Attempts to “bring out” runout on a lathe lead to weakening of the structure and the risk of cracks.

Which wheel nuts are suitable for Almera Classic?

The original hub mounting nuts have an article number 40531-4M000 (M12×1.25, strength class 10). It is allowed to use analogues from SKF (article VKBA 3604) or Febi (article 22620). Important: the nuts are disposable - after tightening they must be replaced with new ones!