9-100-1108 Pool Cleaner Wheel Ball Bearings for Zodiac Polaris Pressure Cleaners (360, 380, 3900 Sport Vac-Sweep, ATV Models) - 8 Pack
Pack of 8 replacement wheel ball bearings for Zodiac Polaris pool cleaners with white and blue circular design.
Close-up of 9-100-1108 pool cleaner wheel ball bearing replacement for Zodiac Polaris pressure cleaners.
Close-up of 9-100-1108 pool cleaner wheel ball bearing with white plastic housing and stainless steel balls.
Close-up of 9-100-1108 pool cleaner wheel ball bearing replacement for Zodiac Polaris pressure cleaners.
Comparison graphic showing 9-100-1108 pool cleaner wheel ball bearing design versus standard bearings.
Close-up of a 9-100-1108 pool cleaner wheel ball bearing replacement for Zodiac Polaris pressure cleaners.
Close-up of a 9-100-1108 pool cleaner wheel ball bearing replacement for Zodiac Polaris pressure cleaners.
Pack of 8 replacement wheel ball bearings for Zodiac Polaris pool cleaners with white and blue circular design.
Close-up of 9-100-1108 pool cleaner wheel ball bearing replacement for Zodiac Polaris pressure cleaners.
Close-up of 9-100-1108 pool cleaner wheel ball bearing with white plastic housing and stainless steel balls.
Close-up of 9-100-1108 pool cleaner wheel ball bearing replacement for Zodiac Polaris pressure cleaners.
Comparison graphic showing 9-100-1108 pool cleaner wheel ball bearing design versus standard bearings.
Close-up of a 9-100-1108 pool cleaner wheel ball bearing replacement for Zodiac Polaris pressure cleaners.
Close-up of a 9-100-1108 pool cleaner wheel ball bearing replacement for Zodiac Polaris pressure cleaners.

9-100-1108 Pool Cleaner Wheel Ball Bearings for Zodiac Polaris Pressure Cleaners (360, 380, 3900 Sport Vac-Sweep, ATV Models) - 8 Pack

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CONFIRM THIS PART FITS
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9-100-1108 Wheel Ball Bearing Replacement

Key Features

  • Precision Glide Technology: Specifically engineered with high-tolerance internal ball bearings to ensure the drive wheels rotate with zero resistance, allowing the cleaner to maintain consistent speed across the pool floor.
  • Dual-Shielded Debris Protection: Features a reinforced metal shield on both sides of the bearing to prevent fine sand, silt, and plaster dust from entering the races, which is the leading cause of bearing seizure.
  • Corrosion-Resistant Stainless Steel: Manufactured from premium-grade stainless steel that is fully compatible with saltwater systems, high chlorine levels, and varying pH balances without rusting.
  • High-Load Durability: Designed to support the weight of the cleaner head and the torque of the drive system without warping or flat-spotting the internal balls over long-term use.

Replaces / Cross-Reference Part Numbers

  • 9-100-1108
  • 91001108
  • 25563-270-800

Compatibility & Fitment

This bearing is designed specifically for the wide-track wheel systems used on Polaris belt-driven and gear-driven models. Key compatible models include:

  • Polaris 380 / Vac-Sweep 380: Standard replacement for all wheel axles.
  • Polaris 360 / Vac-Sweep 360: Fits the 360 series (which does not require a booster pump).
  • Polaris 3900 Sport: Direct fit for the high-performance P39 series.
  • Polaris 480 PRO: Compatible with the professional-grade 4-wheel drive system.
  • Polaris ATV: Fits the specialized All-Terrain Vehicle model drive wheels.
  • Note: These are not the same as the C-80 bearings used on the Polaris 280. Ensure your model is listed above before installation.

When to Replace

  • Wheels "Dragging" or Stuck: The cleaner is moving slowly because the internal balls have rusted or are jammed with grit.
  • Significant Wheel Wobble: If the wheels lean to the side or vibrate excessively, the bearing race has worn down and lost its structural integrity.
  • Screeching or Grinding Sound: Audible metal-on-metal noise indicates the lubrication has failed and the bearing is failing.
  • Belt Failure: On 360/380 models, seized bearings can put excessive strain on the drive belts, causing them to snap or slip.

Installation Tips

  • The "Clean Seat" Rule: PRO TIP: Before pressing the new 9-100-1108 bearings into the wheel, use a damp cloth to wipe the plastic wheel hub. Any sand trapped between the bearing and the wheel will cause the bearing to sit crooked.
  • Apply Pressure Evenly: When installing, press only on the outer metal rim of the bearing. Pressing on the center shield can collapse the bearing and ruin it before it’s even used.
  • Check the Axle Nut: Ensure the wheel screw/nut is tightened enough to remove wobble, but not so tight that it "pinches" the bearing. The wheel should spin for 5–10 seconds when flicked by hand.
  • Water Lubricated: Like most pool bearings, these are designed to be "wet-lubricated" by pool water. Do not apply oil or grease, as they will attract dirt and shorten the lifespan.
9-100-1108 Pool Cleaner Wheel Ball Bearings for Zodiac Polaris Pressure Cleaners (360, 380, 3900 Sport Vac-Sweep, ATV Models) - 8 Pack 1
9-100-1108 Pool Cleaner Wheel Ball Bearings for Zodiac Polaris Pressure Cleaners (360, 380, 3900 Sport Vac-Sweep, ATV Models) - 8 Pack 2
BUILT FOR DURABILITY

BUILT FOR DURABILITY

BlueStars 9-100-1108 Wheel Ball Bearings are made of high-quality antioxidant plastic with stainless steel balls integrated within the bearing to provide a rust-free performance.
PREVENT EXCESSIVE WEAR

PREVENT EXCESSIVE WEAR

This part withstands repetitive motion and minimize the stress on the wheels, preventing excessive wear and tear.
BLUESTARS POOL PARTS THE KEY TO YOUR POOL'S LONGEVITY

BLUESTARS POOL PARTS THE KEY TO YOUR POOL'S LONGEVITY

BlueStars pool replacement parts offer strict quality control to give you the best experience, backed by our enduring commitment to excellence!

Compatible Models

Locate the model number of your appliance or equipment on the manufacturer's label and use it to check compatibility before ordering

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FAQs

This wheel ball bearing fits several Zodiac Polaris pressure-side/Vac-Sweep pool cleaner models, including Polaris 340, 360, 380, 3900 Sport, TR35P, TR36P, and ATV cleaners. If you are matching by model, verify your cleaner uses wheel bearing part 9-100-1108 before ordering.
This replacement matches part number 9-100-1108. It is also commonly written as 91001108.
Common signs include loose or wobbly wheels, rough or noisy wheel rotation, reduced cleaner movement, poor tracking, or a cleaner that struggles to drive normally. On these Polaris cleaners, worn wheel bearings can let the wheel shift side to side instead of spinning smoothly.
For Polaris 360 and 380 cleaners, 8 bearings is a commonly used full set quantity. If you are rebuilding multiple wheels at once, a pack of 8 is often the correct amount. Before installation, compare the number of bearings used in your wheel assemblies so you can confirm the quantity needed for your exact model.
This is usually a straightforward repair for someone comfortable working on pool cleaner wheels. In most cases, you will remove the wheel assembly, take out the worn bearing, and press the new one into place. Basic hand tools are typically all that is needed, and the job often takes about 15 to 30 minutes depending on how many wheels you are servicing.
Inspect the wheel hub for wear, cracks, or ovaling that could keep the new bearing from seating properly. Also check for debris, scale, or corrosion around the wheel assembly, and make sure the axle and wheel spin points are not damaged. If the tire, wheel, or hub is badly worn, replacing the bearing alone may not fully correct wobble or tracking problems.
They typically wear out from constant rotation, water exposure, fine grit, and normal age. Over time, the bearing can loosen or become rough, especially if the cleaner has been running with dirty wheels, misalignment, or worn hubs. Once the bearing develops play, wheel wobble and poor cleaner movement usually follow.