PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3TAWR12-19-63Bearing,ball,duplex

Mpb Corporation Dba Mpb Corp · NSN 3110-00-947-0078 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-947-0078 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-947-0078. Primary manufacturer part number: 3TAWR12-19-63.
Features
  • Bearing,ball,duplex — FSC 3110
  • Style Designator: COUNTERBORED OUTER RINGS, NON-SEPARABLE, FACE TO FACE MOUNTING
  • Overall Outside Diameter: 1.1875 INCHES NOMINAL IN
  • Standard Tolerance Designation: ABEC NO.7
  • Load Direction: ANGULAR
  • Surface Finish: GROUND
  • Shield Quantity: 1
  • Bore Diameter: 0.7500 INCHES NOMINAL IN
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing,ball,duplex, cataloged under National Stock Number 3110-00-947-0078, 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 9 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-947-0078
Primary Part Number3TAWR12-19-63
Item NameBearing,ball,duplex
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerMpb Corporation Dba Mpb Corp
StatusACTIVE
Style DesignatorCOUNTERBORED OUTER RINGS, NON-SEPARABLE, FACE TO FACE MOUNTING
Overall Outside Diameter1.1875 INCHES NOMINAL IN
Standard Tolerance DesignationABEC NO.7
Load DirectionANGULAR
Surface FinishGROUND
Shield Quantity1
Bore Diameter0.7500 INCHES NOMINAL IN
Retainer Fabrication MethodMACHINED
Bearing Preload Rating25.0 POUNDS NOMINAL LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2805-00-147-3739KF19A INTERCHANGEABLE
Cap,push Rod
Wisconsin Motors, Llc
5930-00-153-4849 INTERCHANGEABLE
Switch,toggle
6810-00-270-81884225 INTERCHANGEABLE
Calcium Chloride,anhydrous
Mallinckrodt Specialty Chemicals Co
5950-00-471-84274225 INTERCHANGEABLE
Transformer,power
Contraves Inc
4730-00-474-279942-25 INTERCHANGEABLE
Trap,steam
Velan Valve Corp.
5940-00-504-3251TRU-0363 INTERCHANGEABLE
Ferrule,metallic Shielded Cable,
Winchester Interconnect Rf Corporation
6145-00-789-08444225 INTERCHANGEABLE
Cable,power,electrical
Rscc Wire & Cable Llc Dba Marmon Industrial Energy & Infrastructure - East Granby
6145-00-926-6444S-80-576TYPE325PR24AWG INTERCHANGEABLE
Cable,telephone
Insulated Cable Engineers Assn Inc
5945-01-235-1204422-5 INTERCHANGEABLE
Relay,electromagnetic
Teledyne Defense Electronics, Llc Dba Teledyne Relays Div Https://www.teledyne.com/what-We-Do/
7025-01-276-2921 INTERCHANGEABLE
Terminal,data Processing
Cross-Reference Index
Part NumberManufacturer
3TAWR12-19-63 Mpb Corp Div Timken Super Precision (USA)
972073-0002 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
3TAWR12-19-63 PRIMARY Mpb Corporation Dba Mpb Corp (USA)
4225 PRIMARY New Hampshire Ball Bearings Inc Div Hitech Division (USA)
Related Parts
2805-00-147-3739INTERCHANGEABLE
CAP,PUSH ROD
KF19A
5930-00-153-4849INTERCHANGEABLE
SWITCH,TOGGLE
6810-00-270-8188INTERCHANGEABLE
CALCIUM CHLORIDE,ANHYDROUS
4225
5950-00-471-8427INTERCHANGEABLE
TRANSFORMER,POWER
4225
4730-00-474-2799INTERCHANGEABLE
TRAP,STEAM
42-25
5940-00-504-3251INTERCHANGEABLE
FERRULE,METALLIC SHIELDED CABLE,
TRU-0363
6145-00-789-0844INTERCHANGEABLE
CABLE,POWER,ELECTRICAL
4225
6145-00-926-6444INTERCHANGEABLE
CABLE,TELEPHONE
S-80-576TYPE325PR24AWG
5945-01-235-1204INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
422-5
7025-01-276-2921INTERCHANGEABLE
TERMINAL,DATA PROCESSING
6515-01-387-2302INTERCHANGEABLE
BLADE,ARTHROSCOPIC,SURGICAL
4225
8415-01-415-6956INTERCHANGEABLE
GLOVES,HEAT PROTECTIVE
H13201-0000

Frequently Asked Questions

What is NSN 3110-00-947-0078?

NSN 3110-00-947-0078 is a Bearing,ball,duplex, manufactured by Mpb Corporation Dba Mpb Corp, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-947-0078?

NSN 3110-00-947-0078 has 4 cross-referenced part numbers: 3TAWR12-19-63 (Mpb Corp Div Timken Super Precision), 972073-0002 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 3TAWR12-19-63 (Mpb Corporation Dba Mpb Corp), 4225 (New Hampshire Ball Bearings Inc Div Hitech Division).

What NSN replaces 3110-00-947-0078?

There are 12 known substitutes for 3110-00-947-0078: 2805-00-147-3739, 5930-00-153-4849, 6810-00-270-8188 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3TAWR12-19-63?

Key specifications for 3TAWR12-19-63: Style Designator: COUNTERBORED OUTER RINGS, NON-SEPARABLE, FACE TO FACE MOUNTING; Overall Outside Diameter: 1.1875 INCHES NOMINAL IN; Standard Tolerance Designation: ABEC NO.7; Load Direction: ANGULAR. 11 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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