Rings / Axially Assembled Tapered Section Retaining Rings / HOI

HOI-283 (72mm Bore)


Product Image


Part Data

  • Housing or Shaft Housing
  • Axial or Radial Axial
  • Housing Dia. Dh 2.835 inches
  • Dh mm 72.00 mm
  • Groove Diameter Dg 3.0000 - 3.0120 inches
  • Groove Width W 0.103 - 0.108 inches
  • Groove Depth D 0.0860 inches
  • Free Diameter Df 3.043 - 3.093 inches
  • Thickness T *** 0.090 - 0.096 inches
  • Maximum Section S Max 0.2790 - 0.2930 inches
  • Minimum Section S Min 0.1320 - 0.1460 inches
  • Hole Diameter R 0.107 - 0.124 inches
  • Weight Per 1000 Pcs. 49.500 lbs.
  • Edge Margin Y Min. inches
  • Clearance Dia. Compressed In Housing L1 2.23 inches
  • Clearance Dia. Released In Groove L2 2.390 inches
  • Gap Width Ring In Groove G inches

Performance Data

  • Thrust Ld. (lbs.) Ring Safety Factor Of 4 Pr 20808 lbs.
  • Thrust Ld. (lbs.) Groove Safety Factor Of 2 Pg 8550 lbs.

Tool Data

  • Standard Pliers (Straight) RP-500
  • 45 Standard Pliers RP-504
  • 90 Standard Pliers RP-509
  • Ratchet Pliers (w/o Tips) RP-27R
  • Straight Ratchet Pliers Tips RP-5005R
  • 45 Ratchet Pliers Tips RP-5007R
  • 90 Ratchet Pliers Tips RP-5008R
  • Heavy Duty Pliers (Straight) RPN-J3
  • 90 Heavy Duty Pliers RPN-J31


  • Carbon Steel (SAE 1060-1090)
  • Stainless Steel (PH15-7 Mo, PH17-7)
  • Beryllium Copper
  • Special Material Grades


For plated rings, add .002" (.05 mm) to the listed maximum thickness.

  • PA - Phosphate, Carbon Steel
  • PD - Phosphate and Oil, Carbon Steel
  • PAL - Phosphate with Sealer, Carbon Steel
  • HPD - Heavy Phosphate and Oil, Carbon Steel
  • ZD - Zinc Plating, Carbon Steel
  • ZF - Zinc Bright, Carbon Steel
  • ZDL - Zinc Dichromate with Sealer, Carbon Steel
  • HZDL - Heavy Zinc Dichromate with Sealer, Carbon Steel
  • Z3X - Trivalent Chromate over Zinc, Carbon Steel
  • ZFF - Zinc Flash, Carbon Steel
  • CF - Copper Flash, Carbon Steel


Axially Assembled, Internal Inverted. Functions like an HO ring in a housing/bore, only the lugs are reversed. This version reduces the distance the lugs of the standard HO extend into the inner circumference of the housing/bore and allows for another ass

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CAD Models are provided for informational purposes only and may not represent the final part you receive.  Manufacturer assumes no responsibility for any such inconsistencies , and disclaims any liability to any party for any loss, damage, or disruption which may arise therefrom. Always contact Manufacturer for final measurements when specified in your design.


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