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1-1/4" x 72mm Ceramic Axle Bearing
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1-1/4" x 72mm Ceramic Hybrid Axle Bearing

Part Number: 152-27
Online Price: $49.00
1-1/4" x 72mm Ceramic Hybrid Axle Bearing for Racing Go-Karts
Availability: In Stock.

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Description

1-1/4" x 72mm Ceramic Hybrid Axle Bearing – Ultra-Low Friction for Racing Go-Karts


Experience a new level of speed and efficiency with our 1-1/4" x 72mm Ceramic Hybrid Axle Bearing—designed specifically for high-performance racing go-karts using larger 72mm axle cassettes. These next-generation hybrid race bearings combine ceramic balls with precision-machined steel races, delivering dramatically less rotating weight, minimal friction, and significantly higher free-spin compared to traditional steel bearings.


This is not just another upgrade—it's a true racing bearing that gives you a measurable advantage in speed, response, and roll-out. Lighter ceramic balls reduce centrifugal force and heat buildup, allowing for smoother, faster, and more consistent performance under race-day conditions.


Bearing Specifications:

  • Bearing Type: Ceramic Hybrid (ceramic balls with steel race)
  • Inside Diameter (ID): 1.250" (1-1/4")
  • Outside Diameter (OD): 72mm
  • Width: 1.700"
  • Fitment: Designed for 72mm rear axle cassettes


Key Features:

  • Industry-first ceramic hybrid race bearing for go-karts
  • Up to 30–40% less rotating weight than steel bearings
  • Free-spinning with ultra-low friction for max rollout
  • Precision-machined for consistent high-speed performance
  • Compatible with 1-1/4" axles and 72mm OD bearing cassettes
  • Race-proven durability and responsiveness


Fitment Note: Always measure your bearing housing or cassette and axle shaft before ordering to ensure correct installation.

FAQ

Q1: What makes ceramic hybrid bearings better than steel bearings?

A: Ceramic balls are lighter and generate less friction than steel balls, resulting in faster spin, less heat, and more consistent performance—especially under racing conditions.


Q2: What size axle and cassette does this bearing fit?

A: It fits a 1-1/4" axle shaft and 72mm outside diameter bearing cassette, which is common in many performance kart setups.


Q3: Is this bearing pre-lubricated?

A: Most high-performance ceramic bearings are lightly oiled or dry for minimal resistance. Regular oiling with race-quality bearing oil is recommended.


Q4: Can this bearing be used in non-racing applications?

A: While it’s designed for racing, it can be used in any 1-1/4" axle system that accepts a 72mm OD bearing—but its benefits shine in competitive environments.


Q5: How often should I maintain this bearing?

A: Before every race, apply a few drops of bearing oil (like Lubtek or TRI-FLO). Avoid using heavy grease or penetrating oils like WD-40.

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