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Specifications

  • Bearing Number: MR 15267
  • Inner Diameter: 15mm
  • Outer Diameter: 26mm
  • Width: 7mm
  • Tolerance: ABEC-5
  • Race Material: 52100 high-carbon chromium alloy
  • Ball Grade: Grade 10 chromium steel
  • Seal Config: LLU outward + LLB inward
  • Grease: Mobil XHP 222 high-pressure waterproof (90% fill)
  • Application: Cranks, hubs, suspension linkages

FAQ

Why does this bearing use 52100 high-carbon chromium alloy?

52100 is the premier bearing steel alloy, known for its hardness, toughness, and resistance to wear. Using it for the deep-groove races promotes longer bearing life compared to standard steel, especially in high-load cycling applications.

What is the benefit of Grade 10 balls over standard bearing balls?

Grade 10 balls are precision-ground to very tight spherical tolerances. They roll more smoothly, produce less vibration, and maintain consistent contact with the race grooves over time compared to lower-grade balls.

Is the Mobil XHP 222 grease waterproof?

Yes. Mobil XHP 222 is a high-pressure grease formulated to resist water washout, making it well suited for bearing positions exposed to rain, trail spray, or repeated washing. It provides reliable lubrication where standard greases would degrade faster.

Best For

Riders rebuilding premium cranksets, hubs, or suspension hardware that spec a 15x26x7mm bearing and deserve a high-quality replacement. The Enduro MR 15267 is the correct spec when you want ABEC-5 precision, top-grade materials, and waterproof lubrication in a non-standard bearing size.

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