PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

HPPBR33Cup,tapered Roller Bearing

Hiller Aircraft Corporation · NSN 3110-00-133-6726 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-133-6726 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-133-6726. Primary manufacturer part number: HPPBR33.
Features
  • Cup,tapered Roller Bearing — FSC 3110
  • Backface Corner Radius: 0.0400 INCHES NOMINAL IN
  • Outside Diameter: 2.3125 INCHES NOMINAL IN
  • Standard Tolerance Designation: AFBMA CLASS 2
  • Material: STEEL OVERALL
  • Style Designator: NORMAL ANGLE
  • 4 verified cross-references
  • Primary manufacturer: Hiller Aircraft Corporation
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Cup,tapered Roller Bearing, cataloged under National Stock Number 3110-00-133-6726, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Hiller Aircraft Corporation. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-133-6726
Primary Part NumberHPPBR33
Item NameCup,tapered Roller Bearing
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerHiller Aircraft Corporation
StatusACTIVE
Backface Corner Radius0.0400 INCHES NOMINAL IN
Outside Diameter2.3125 INCHES NOMINAL IN
Standard Tolerance DesignationAFBMA CLASS 2
MaterialSTEEL OVERALL
Style DesignatorNORMAL ANGLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3110-00-100-0639 INTERCHANGEABLE
Cup,tapered Roller Bearing
Cross-Reference Index
Part NumberManufacturer
AVBR33 Us Army Aviation and Missile Command (USA)
HPPBR33 PRIMARY Hiller Aircraft Corporation (USA)
HPPBR33 Helicopter Parts Service Inc (USA)
08231 PRIMARY Federal-Mogul Corp Government Sales Dept (USA)
Related Parts
3110-00-100-0639INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING

Frequently Asked Questions

What is NSN 3110-00-133-6726?

NSN 3110-00-133-6726 is a Cup,tapered Roller Bearing, manufactured by Hiller Aircraft Corporation, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-133-6726?

NSN 3110-00-133-6726 has 4 cross-referenced part numbers: AVBR33 (Us Army Aviation and Missile Command), HPPBR33 (Hiller Aircraft Corporation), HPPBR33 (Helicopter Parts Service Inc), 08231 (Federal-Mogul Corp Government Sales Dept).

What NSN replaces 3110-00-133-6726?

There is 1 known substitute for 3110-00-133-6726: 3110-00-100-0639. Verify interchangeability with system specifications before substitution.

What are the specifications of HPPBR33?

Key specifications for HPPBR33: Backface Corner Radius: 0.0400 INCHES NOMINAL IN; Outside Diameter: 2.3125 INCHES NOMINAL IN; Standard Tolerance Designation: AFBMA CLASS 2; Material: STEEL OVERALL. 6 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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