PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

127861Bearing,roller,self-Aligning

General Motors Llc Dba General Motors Llc · NSN 3110-00-158-7208 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-158-7208 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-158-7208. Primary manufacturer part number: 127861.
Features
  • Bearing,roller,self-Aligning — FSC 3110
  • Bore Shape: STRAIGHT
  • Internal Fit-Up Designation: STANDARD
  • Material: STEEL OVERALL
  • Style Designator: ANGULAR CONTACT, SPHERICAL ROLLERS, SEPARABLE
  • Material: STEEL OVERALL
  • Style Designator: ANGULAR CONTACT, SPHERICAL ROLLERS, SEPARABLE
  • Standard Tolerance Designation: RBEC NO.1
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Bearing,roller,self-Aligning, cataloged under National Stock Number 3110-00-158-7208, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is General Motors Llc Dba General Motors Llc. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 4 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
NSN3110-00-158-7208
Primary Part Number127861
Item NameBearing,roller,self-Aligning
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerGeneral Motors Llc Dba General Motors Llc
StatusACTIVE
Bore ShapeSTRAIGHT
Internal Fit-Up DesignationSTANDARD
MaterialSTEEL OVERALL
Style DesignatorANGULAR CONTACT, SPHERICAL ROLLERS, SEPARABLE
MaterialSTEEL OVERALL
Style DesignatorANGULAR CONTACT, SPHERICAL ROLLERS, SEPARABLE
Standard Tolerance DesignationRBEC NO.1
Bore Diameter1.6929 INCHES NOMINAL IN
Inner Ring Width0.6690 INCHES NOMINAL IN
Standard Tolerance DesignationRBEC NO.1
Outer Ring Width0.5800 INCHES NOMINAL IN
Internal Fit-Up DesignationSTANDARD
Overall Outside Diameter2.9528 INCHES NOMINAL IN
Bore ShapeSTRAIGHT
Surface FinishGROUND
Retainer Fabrication MethodPRESSED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3110-00-100-063707204 INTERCHANGEABLE
Cup,tapered Roller Bearing
Rbc Bearings Incorporated Div West Trenton Division
Cross-Reference Index
Part NumberManufacturer
149523 General Motors Llc Dba General Motors Llc (USA)
127861 General Motors Corp Chevrolet Motor Div Special Products Dept (USA)
KA11360Z General Motors Llc Dba General Motors Llc (USA)
127861 PRIMARY General Motors Llc Dba General Motors Llc (USA)
KA11360Z General Motors Corp Delco Moraine Ndh Div (USA)
KA11360Z General Motors Corp (USA)
127861 General Motors Corp (USA)
149523 General Motors Corp (USA)
Related Parts
3110-00-100-0637INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
07204

Frequently Asked Questions

What is NSN 3110-00-158-7208?

NSN 3110-00-158-7208 is a Bearing,roller,self-Aligning, manufactured by General Motors Llc Dba General Motors Llc, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-158-7208?

NSN 3110-00-158-7208 has 8 cross-referenced part numbers: 149523 (General Motors Llc Dba General Motors Llc), 127861 (General Motors Corp Chevrolet Motor Div Special Products Dept), KA11360Z (General Motors Llc Dba General Motors Llc), 127861 (General Motors Llc Dba General Motors Llc), KA11360Z (General Motors Corp Delco Moraine Ndh Div) and 3 more.

What NSN replaces 3110-00-158-7208?

There is 1 known substitute for 3110-00-158-7208: 3110-00-100-0637. Verify interchangeability with system specifications before substitution.

What are the specifications of 127861?

Key specifications for 127861: Bore Shape: STRAIGHT; Internal Fit-Up Designation: STANDARD; Special Features: CONTACT ANGLE 14 DEG,OUTER RING OD RADIUS 0.0400 IN,INNER RING ID RADIUS 0.0600 IN,SNAP RING ON OD OF INNER RING,COMPLEMENT OF 16 ROLLERS IN; Material: STEEL OVERALL. 18 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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