ISB-9DR

ISB-9DR
  • 4500 lb. preload at setup height
  • Meets all AAR M-948 requirements
  • Minimum car body weight of 21,176 lbs.
  • Dual compression rate, non-metal capped side bearing that utlizes 688-B cage
  • Upgrade to extended travel with RetroXT™ 5400B
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