PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SM-C-971487-2Bearing,ball,annular

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 3110-01-266-9371 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-01-266-9371 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-266-9371. Primary manufacturer part number: SM-C-971487-2.
Features
  • Bearing,ball,annular — FSC 3110
  • Surface Finish: GROUND
  • Standard Tolerance Designation: ABEC NO. 7P
  • Bore Shape: STRAIGHT
  • Retainer Fabrication Method: PRESSED
  • Internal Clearance: 0.0005 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN
  • Shield Quantity: 2
  • Lubrication Material: GREASE
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp 316l or Steel Comp 310 or Steel Comp 305 or Steel Comp 304 or Steel Comp 324 or Steel Comp 317 or Steel Comp 303SE or Steel Comp 316 or Steel Comp 303 or Steel Comp 321 or Steel Comp 309 or Steel Comp 302 or Steel Comp 304l or Steel Comp 322 or Steel Comp 347 Shield construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-01-266-9371, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir. Government technical data includes 20 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-01-266-9371
Primary Part NumberSM-C-971487-2
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusACTIVE
Surface FinishGROUND
Standard Tolerance DesignationABEC NO. 7P
Bore ShapeSTRAIGHT
Retainer Fabrication MethodPRESSED
Internal Clearance0.0005 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN
Shield Quantity2
Lubrication MaterialGREASE
Load DirectionRADIAL
MaterialSTEEL COMP 316L OR STEEL COMP 310 OR STEEL COMP 305 OR STEEL COMP 304 OR STEEL COMP 324 OR STEEL COMP 317 OR STEEL COMP 303SE OR STEEL COMP 316 OR STEEL COMP 303 OR STEEL COMP 321 OR STEEL COMP 309 OR STEEL COMP 302 OR STEEL COMP 304L OR STEEL COMP 322 OR STEEL COMP 347 SHIELD
Material Document and ClassificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OUTER RING
Material Document and ClassificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE INNER RING
Material Document and ClassificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE BALL
MaterialSTEEL COMP 440C OUTER RING
MaterialSTEEL COMP 302 OR STEEL COMP 303SE OR STEEL COMP 321 OR STEEL COMP 316L OR STEEL COMP 304 OR STEEL COMP 324 OR STEEL COMP 317 OR STEEL COMP 309 OR STEEL COMP 322 OR STEEL COMP 304L OR STEEL COMP 310 OR STEEL COMP 316 OR STEEL COMP 305 OR STEEL COMP 303 OR STEEL COMP 347 RETAINER
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Overall Outside Diameter0.8659 INCHES MINIMUM AND 0.8661 INCHES MAXIMUM IN
MaterialSTEEL COMP 440C BALL
MaterialSTEEL COMP 440C INNER RING
Bore Diameter0.2754 INCHES MINIMUM AND 0.2756 INCHES MAXIMUM IN
Lubrication Material Document and ClassificationSM-C-808343,CAGEC 80063 MFR REF SINGLE MATERIAL RESPONSE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3110-01-053-2937 INTERCHANGEABLE
Bearing,ball,annular
Cross-Reference Index
Part NumberManufacturer
SM-C-971487-2 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
M913/4-HD1C3NXX Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M81793-AHLLAA03CF71ASS Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-B-913/4 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
S37SS5-BRAYCOTE 3L-38-1 Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation (USA)
Related Parts
3110-01-053-2937INTERCHANGEABLE
BEARING,BALL,ANNULAR

Frequently Asked Questions

What is NSN 3110-01-266-9371?

NSN 3110-01-266-9371 is a Bearing,ball,annular, manufactured by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-01-266-9371?

NSN 3110-01-266-9371 has 5 cross-referenced part numbers: SM-C-971487-2 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), M913/4-HD1C3NXX (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M81793-AHLLAA03CF71ASS (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-B-913/4 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), S37SS5-BRAYCOTE 3L-38-1 (Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation).

What NSN replaces 3110-01-266-9371?

There is 1 known substitute for 3110-01-266-9371: 3110-01-053-2937. Verify interchangeability with system specifications before substitution.

What are the specifications of SM-C-971487-2?

Key specifications for SM-C-971487-2: Surface Finish: GROUND; Standard Tolerance Designation: ABEC NO. 7P; Special Features: 5 PCT TO 10 PCT FILL GREASE; Bore Shape: STRAIGHT. 22 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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