PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3127Bearing,ball,annular

Industrial Tectonics Bearings Corporation Dba Rbc Bearings Inc Div Industrial Tectonics Bearings · NSN 3110-00-838-6752 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-838-6752 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-838-6752. Primary manufacturer part number: 3127.
Features
  • Bearing,ball,annular — FSC 3110
  • Material: STEEL COMP E52100 OVERALL
  • Bore Diameter: 2.8122 INCHES MINIMUM AND 2.8128 INCHES MAXIMUM IN
  • Internal Fit-Up Contact Angular Direction: PRIMARILY RADIAL
  • Lubrication Material Document and Classification: MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
  • Surface Finish: GROUND
  • Load Direction: RADIAL
  • Lubrication Material: GREASE
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp E52100 Overall construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-838-6752, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Industrial Tectonics Bearings Corporation Dba Rbc Bearings Inc Div Industrial Tectonics Bearings. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN3110-00-838-6752
Primary Part Number3127
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerIndustrial Tectonics Bearings Corporation Dba Rbc Bearings Inc Div Industrial Tectonics Bearings
StatusACTIVE
MaterialSTEEL COMP E52100 OVERALL
Bore Diameter2.8122 INCHES MINIMUM AND 2.8128 INCHES MAXIMUM IN
Internal Fit-Up Contact Angular DirectionPRIMARILY RADIAL
Lubrication Material Document and ClassificationMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
Surface FinishGROUND
Load DirectionRADIAL
Lubrication MaterialGREASE
Bore ShapeSTRAIGHT
Standard Tolerance DesignationABEC NO.1
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
Overall Outside Diameter3.4994 INCHES MINIMUM AND 3.5000 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5360-00-023-1658 INTERCHANGEABLE
Spring,special
5315-00-213-71513-12-7 INTERCHANGEABLE
Pin,radius Rod
Trailmobile Inc Sub of the Pullman Co
2530-00-294-65216Y1935 INTERCHANGEABLE
Lining,friction
Caterpillar Inc Div Caterpillar Defense
5985-00-323-1281 INTERCHANGEABLE
Line Section,radio Frequency Tra
2910-00-374-3562 INTERCHANGEABLE
Pump,fuel,cam Actuated
2530-00-391-4366FD9337 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
5950-00-521-66457605558 INTERCHANGEABLE
No Item Name Available
Us Army Aviation and Missile Command
2590-00-529-8580 INTERCHANGEABLE
Cap,filler Opening
5330-00-649-84433127 INTERCHANGEABLE
Gasket
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
6930-01-042-66132037237-14 INTERCHANGEABLE
Indicator Subassemb
Cae Usa Inc.
Cross-Reference Index
Part NumberManufacturer
3127 PRIMARY Industrial Tectonics Bearings Corporation Dba Rbc Bearings Inc Div Industrial Tectonics Bearings (USA)
9-539 PRIMARY Mpb Corporation Dba Mpb Corp (USA)
39539 Honeywell International Inc. Div Aerospace - Torrance (USA)
Related Parts
5360-00-023-1658INTERCHANGEABLE
SPRING,SPECIAL
5315-00-213-7151INTERCHANGEABLE
PIN,RADIUS ROD
3-12-7
2530-00-294-6521INTERCHANGEABLE
LINING,FRICTION
6Y1935
5985-00-323-1281INTERCHANGEABLE
LINE SECTION,RADIO FREQUENCY TRA
2910-00-374-3562INTERCHANGEABLE
PUMP,FUEL,CAM ACTUATED
2530-00-391-4366INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
FD9337
5950-00-521-6645INTERCHANGEABLE
NO ITEM NAME AVAILABLE
7605558
2590-00-529-8580INTERCHANGEABLE
CAP,FILLER OPENING
5330-00-649-8443INTERCHANGEABLE
GASKET
3127
6930-01-042-6613INTERCHANGEABLE
INDICATOR SUBASSEMB
2037237-14
7310-01-107-4799INTERCHANGEABLE
ROD,GAUGE GLASS GUARD,STEAM KETT
3127
5136-01-153-0413INTERCHANGEABLE
DIE,THREAD CUTTING
3127

Frequently Asked Questions

What is NSN 3110-00-838-6752?

NSN 3110-00-838-6752 is a Bearing,ball,annular, manufactured by Industrial Tectonics Bearings Corporation Dba Rbc Bearings Inc Div Industrial Tectonics Bearings, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-838-6752?

NSN 3110-00-838-6752 has 3 cross-referenced part numbers: 3127 (Industrial Tectonics Bearings Corporation Dba Rbc Bearings Inc Div Industrial Tectonics Bearings), 9-539 (Mpb Corporation Dba Mpb Corp), 39539 (Honeywell International Inc. Div Aerospace - Torrance).

What NSN replaces 3110-00-838-6752?

There are 12 known substitutes for 3110-00-838-6752: 5360-00-023-1658, 5315-00-213-7151, 2530-00-294-6521 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3127?

Key specifications for 3127: Overall Width: 0.8950 INCHES MINIMUM AND 0.9000 INCHES MAXIMUM IN; Material: STEEL COMP E52100 OVERALL; Bore Diameter: 2.8122 INCHES MINIMUM AND 2.8128 INCHES MAXIMUM IN; Internal Fit-Up Contact Angular Direction: PRIMARILY RADIAL. 14 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com