Union Ball Bearing CB-138 MR215317 (21.5x31x7)

Precision-engineered 21.5x31x7 bearings cut friction for smoother rides and longer e-mobility gear life at RideFatDaddy.com

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Unleash Maximum Precision and Durability in Your E-Mobility Drive.

Struggling with unreliable bearings that compromise your ride’s performance? Union Kogellager CB-138 MR215317 delivers exceptional stability and long-lasting efficiency for your e-mobility needs. Engineered to eliminate friction and wear, this bearing ensures your electric vehicle runs smoother, faster, and with unmatched reliability.

Key Features

  • High-precision engineering for flawless rotation and minimal resistance.
  • Robust construction designed to withstand intense operational stress.
  • Compact dimensions fit seamlessly into tight e-mobility assemblies.
  • Corrosion-resistant materials for extended lifespan in all environments.
  • Optimized for low noise and vibration reduction during high-speed use.

Technical Specifications

  • Model: Union Kogellager CB-138 MR215317
  • Dimensions: 21.5 mm (inner diameter) x 31 mm (outer diameter) x 7 mm (width)
  • Type: Ball bearing
  • Precision class: CB-138
  • Material: High-grade steel alloy
  • Sealing: MR (metal shielded)

Frequently Asked Questions

Its precision design and durable materials ensure smooth operation and longevity under the demanding conditions of electric vehicles.
Yes, the CB-138 MR215317 is engineered to maintain stability and reduce friction even at high RPMs.

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