PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

37794Bearing,ball,annular

Mpb Corporation Dba Mpb Corp · NSN 3110-01-284-3881 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-01-284-3881 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-284-3881. Primary manufacturer part number: 37794.
Features
  • Bearing,ball,annular — FSC 3110
  • Material: STEEL COMP 4340 CAGE
  • Material: STEEL INNER RING
  • Internal Clearance: 0.0063 INCHES NOMINAL RADIAL IN
  • Standard Tolerance Designation: ABEC NO.5
  • Bore Shape: STRAIGHT
  • Surface Finish: GROUND
  • Retainer Fabrication Method: MACHINED
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp 4340 CAGE construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-01-284-3881, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Mpb Corporation Dba Mpb Corp. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-01-284-3881
Primary Part Number37794
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerMpb Corporation Dba Mpb Corp
StatusACTIVE
MaterialSTEEL COMP 4340 CAGE
MaterialSTEEL INNER RING
Internal Clearance0.0063 INCHES NOMINAL RADIAL IN
Standard Tolerance DesignationABEC NO.5
Bore ShapeSTRAIGHT
Surface FinishGROUND
Retainer Fabrication MethodMACHINED
Load DirectionRADIAL
Lubrication MaterialOIL
MaterialSTEEL BALL
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Material Document and ClassificationAMS 6491 ASSN STD 1ST MATERIAL RESPONSE INNER RING
Material Document and ClassificationAMS 6491 ASSN STD 3RD MATERIAL RESPONSE BALL
Material Document and ClassificationAMS 6491 ASSN STD 2ND MATERIAL RESPONSE OUTER RING
MaterialSTEEL OUTER RING
Overall Outside Diameter2.4406 INCHES MINIMUM AND 2.4409 INCHES MAXIMUM IN
Bore Diameter1.1809 INCHES MINIMUM AND 1.1811 INCHES MAXIMUM IN
Lubrication Material Document and ClassificationMIL-C-8188 MIL SPEC SINGLE MATERIAL RESPONSE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5961-00-105-768037794 INTERCHANGEABLE
Transistor
Renesas Electronics America Inc
5998-01-320-421937794-1 INTERCHANGEABLE
Circuit Card Assembly
Hamilton Sundstrand Corporation Dba Collins Aerospace
Cross-Reference Index
Part NumberManufacturer
37794 New Hampshire Ball Bearings Inc Div Hitech Division (USA)
MTGR-206-SD600M2A5PC34LY383 New Hampshire Ball Bearings Inc Div Hitech Division (USA)
5HTH-206-D143 Mpb Corporation Dba Mpb Corp (USA)
37794 PRIMARY Mpb Corporation Dba Mpb Corp (USA)
37794 Williams International Co., L.l.c. (USA)
Related Parts
5961-00-105-7680INTERCHANGEABLE
TRANSISTOR
37794
5998-01-320-4219INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
37794-1

Frequently Asked Questions

What is NSN 3110-01-284-3881?

NSN 3110-01-284-3881 is a Bearing,ball,annular, manufactured by Mpb Corporation Dba Mpb Corp, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-01-284-3881?

NSN 3110-01-284-3881 has 5 cross-referenced part numbers: 37794 (New Hampshire Ball Bearings Inc Div Hitech Division), MTGR-206-SD600M2A5PC34LY383 (New Hampshire Ball Bearings Inc Div Hitech Division), 5HTH-206-D143 (Mpb Corporation Dba Mpb Corp), 37794 (Mpb Corporation Dba Mpb Corp), 37794 (Williams International Co., L.l.c.).

What NSN replaces 3110-01-284-3881?

There are 2 known substitutes for 3110-01-284-3881: 5961-00-105-7680, 5998-01-320-4219. Verify interchangeability with system specifications before substitution.

What are the specifications of 37794?

Key specifications for 37794: Material: STEEL COMP 4340 CAGE; Material: STEEL INNER RING; Special Features: SILVER PLATE CAGE 0.0005 IN. MIN.,0.0015 IN. MAX. THICKNESS,PER AMS 2412; INNER RING IS SPLIT AND FLANGED WITH A CLAMPING GROOVE; FLANGE O.D. IS 1.5740 IN. NOM.,WIDTH IS 0.8565 IN. NOM.; WIDTH OF CLAMPING GROOVE IS 0.1150 IN. NOM. IN; Internal Clearance: 0.0063 INCHES NOMINAL RADIAL IN. 21 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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