PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

901790-1CBearing,ball,duplex

New Hampshire Ball Bearings Inc Div Hitech Division · NSN 3110-00-281-8015 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-281-8015 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-281-8015. Primary manufacturer part number: 901790-1C.
Features
  • Bearing,ball,duplex — FSC 3110
  • Material: STEEL COMP 440C OUTER RING
  • Surface Finish: GROUND
  • Load Direction: ANGULAR
  • Retainer Fabrication Method: MACHINED
  • Bearing Preload Rating: 55.0 POUNDS NOMINAL LBS
  • Seal Quantity: 1
  • Standard Tolerance Designation: ABEC NO.5
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp 440c Outer Ring construction
General Description

The Bearing,ball,duplex, cataloged under National Stock Number 3110-00-281-8015, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is New Hampshire Ball Bearings Inc Div Hitech Division. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-281-8015
Primary Part Number901790-1C
Item NameBearing,ball,duplex
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerNew Hampshire Ball Bearings Inc Div Hitech Division
StatusACTIVE
MaterialSTEEL COMP 440C OUTER RING
Surface FinishGROUND
Load DirectionANGULAR
Retainer Fabrication MethodMACHINED
Bearing Preload Rating55.0 POUNDS NOMINAL LBS
Seal Quantity1
Standard Tolerance DesignationABEC NO.5
Bearing Seal TypeCONTACT
Overall Outside Diameter2.8750 INCHES NOMINAL IN
Material Document and ClassificationUNABLE TO DECODE
MaterialGREASE LUBRICATION
MaterialRUBBER FLUOROSILICONE CLASS FQ SEAL
MaterialPLASTIC PHENOLIC RETAINER
Bore Diameter2.3125 INCHES NOMINAL IN
MaterialSTEEL COMP 440C INNER RING
MaterialSTEEL COMP 440C BALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
2805-00-712-85661737645 INTERCHANGEABLE
Rocker Arm,engine Poppet Valve
Chrysler Realty Company Llc Dba Daimler Chrysler
5970-01-202-4301 INTERCHANGEABLE
Insulator,bushing
5110-01-229-4184 INTERCHANGEABLE
Knife,pocket
5950-01-260-8639 INTERCHANGEABLE
Transformer,power
4820-01-301-6578 INTERCHANGEABLE
Valve,seatless
6110-01-363-88189-117 INTERCHANGEABLE
Module,control,supervisory
Electro Switch Corp. Dba Arga Controls a Unit of Electro Switch Div Arga Controls a Unit of Electo Switch Corp.
1560-01-611-47074403-7 INTERCHANGEABLE
Latch Assembly,aircraft
Adams Rite Aerospace, Inc
6530-01-732-409444037 INTERCHANGEABLE
Therapy,cones,stack
Sammons Preston Dba Bissell Healthcare Corp
Cross-Reference Index
Part NumberManufacturer
901790-1C Mcdonnell Douglas Helicopter Co Inc (USA)
3TARZ37-46-119 Mpb Corp Div Timken Super Precision (USA)
901790-1C Raytheon Company Dba Raytheon (USA)
901790-1C PRIMARY New Hampshire Ball Bearings Inc Div Hitech Division (USA)
901790-1C PRIMARY Mpb Corp Div Timken Super Precision (USA)
3TARZ37-46-119 Mpb Corporation Dba Mpb Corp (USA)
44037 New Hampshire Ball Bearings Inc Div Hitech Division (USA)
Related Parts
2805-00-712-8566INTERCHANGEABLE
ROCKER ARM,ENGINE POPPET VALVE
1737645
5970-01-202-4301INTERCHANGEABLE
INSULATOR,BUSHING
5110-01-229-4184INTERCHANGEABLE
KNIFE,POCKET
5950-01-260-8639INTERCHANGEABLE
TRANSFORMER,POWER
4820-01-301-6578INTERCHANGEABLE
VALVE,SEATLESS
6110-01-363-8818INTERCHANGEABLE
MODULE,CONTROL,SUPERVISORY
9-117
1560-01-611-4707INTERCHANGEABLE
LATCH ASSEMBLY,AIRCRAFT
4403-7
6530-01-732-4094INTERCHANGEABLE
THERAPY,CONES,STACK
44037

Frequently Asked Questions

What is NSN 3110-00-281-8015?

NSN 3110-00-281-8015 is a Bearing,ball,duplex, manufactured by New Hampshire Ball Bearings Inc Div Hitech Division, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-281-8015?

NSN 3110-00-281-8015 has 7 cross-referenced part numbers: 901790-1C (Mcdonnell Douglas Helicopter Co Inc), 3TARZ37-46-119 (Mpb Corp Div Timken Super Precision), 901790-1C (Raytheon Company Dba Raytheon), 901790-1C (New Hampshire Ball Bearings Inc Div Hitech Division), 901790-1C (Mpb Corp Div Timken Super Precision) and 2 more.

What NSN replaces 3110-00-281-8015?

There are 8 known substitutes for 3110-00-281-8015: 2805-00-712-8566, 5970-01-202-4301, 5110-01-229-4184 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 901790-1C?

Key specifications for 901790-1C: Material: STEEL COMP 440C OUTER RING; Surface Finish: GROUND; Load Direction: ANGULAR; Retainer Fabrication Method: MACHINED. 18 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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