PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

312RBearing,ball,annular

Skf Usa Inc. · NSN 3110-00-156-5246 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-156-5246 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-156-5246. Primary manufacturer part number: 312R.
Features
  • Bearing,ball,annular — FSC 3110
  • Overall Outside Diameter: 130.00 MILLIMETERS NOMINAL MM
  • Bore Shape: STRAIGHT
  • Load Direction: RADIAL
  • Surface Finish: GROUND
  • Style Designator: COUNTERBORED OUTER RING, NON-SEPARABLE
  • Material: STEEL BALL
  • Material: STEEL INNER RING
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Ball construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-156-5246, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Skf Usa Inc.. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-156-5246
Primary Part Number312R
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSkf Usa Inc.
StatusACTIVE
Overall Outside Diameter130.00 MILLIMETERS NOMINAL MM
Bore ShapeSTRAIGHT
Load DirectionRADIAL
Surface FinishGROUND
Style DesignatorCOUNTERBORED OUTER RING, NON-SEPARABLE
MaterialSTEEL BALL
MaterialSTEEL INNER RING
MaterialSTEEL INNER RING
MaterialPLASTIC PHENOLIC RETAINER
Style DesignatorCOUNTERBORED OUTER RING, NON-SEPARABLE
Load DirectionRADIAL
Retainer Fabrication MethodMACHINED
Internal Fit-Up DesignationSTANDARD
Standard Tolerance DesignationABEC NO.1
Bore ShapeSTRAIGHT
Standard Tolerance DesignationABEC NO.1
Bore Diameter60.00 MILLIMETERS NOMINAL MM
Internal Fit-Up DesignationSTANDARD
MaterialSTEEL OUTER RING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6240-00-155-7925312R INTERCHANGEABLE
Lamp,incandescent
Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
3444-00-238-16423-1/2-R INTERCHANGEABLE
Press,arbor,hand Operated
Belco Industries, Inc. Dba Belco Industries Inc Div Famco Machine Division
3444-00-243-26523 1/2R INTERCHANGEABLE
Press,arbor,hand Operated
Belco Industries, Inc. Dba Belco Industries Inc Div Famco Machine Division
Cross-Reference Index
Part NumberManufacturer
312R PRIMARY Skf Usa Inc. (USA)
Related Parts
6240-00-155-7925INTERCHANGEABLE
LAMP,INCANDESCENT
312R
3444-00-238-1642INTERCHANGEABLE
PRESS,ARBOR,HAND OPERATED
3-1/2-R
3444-00-243-2652INTERCHANGEABLE
PRESS,ARBOR,HAND OPERATED
3 1/2R

Frequently Asked Questions

What is NSN 3110-00-156-5246?

NSN 3110-00-156-5246 is a Bearing,ball,annular, manufactured by Skf Usa Inc., classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-156-5246?

NSN 3110-00-156-5246 has 1 cross-referenced part number: 312R (Skf Usa Inc.).

What NSN replaces 3110-00-156-5246?

There are 3 known substitutes for 3110-00-156-5246: 6240-00-155-7925, 3444-00-238-1642, 3444-00-243-2652. Verify interchangeability with system specifications before substitution.

What are the specifications of 312R?

Key specifications for 312R: Overall Outside Diameter: 130.00 MILLIMETERS NOMINAL MM; Bore Shape: STRAIGHT; Overall Width: 31.0 MILLIMETERS NOMINAL MM; Load Direction: RADIAL. 20 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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