PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

77R3RB19017Bearing,ball,annular

Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec · NSN 3110-00-935-5630 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-935-5630 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-935-5630. Primary manufacturer part number: 77R3RB19017.
Features
  • Bearing,ball,annular — FSC 3110
  • Material: STEEL SHIELD
  • Shield Quantity: 2
  • Bore Shape: STRAIGHT
  • Internal Clearance: 0.0001 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN
  • Lubrication Material Document and Classification: ASUM 100,AMERICAN OIL CO MFR REF SINGLE MATERIAL RESPONSE
  • Surface Finish: GROUND
  • Lubrication Material: GREASE
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Shield construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-935-5630, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-935-5630
Primary Part Number77R3RB19017
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerHydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec
StatusACTIVE
MaterialSTEEL SHIELD
Shield Quantity2
Bore ShapeSTRAIGHT
Internal Clearance0.0001 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN
Lubrication Material Document and ClassificationASUM 100,AMERICAN OIL CO MFR REF SINGLE MATERIAL RESPONSE
Surface FinishGROUND
Lubrication MaterialGREASE
Standard Tolerance DesignationABEC NO.1
Retainer Fabrication MethodPRESSED
Load DirectionRADIAL
MaterialSTEEL COMP E52100 BALL
MaterialSTEEL COMP E52100 INNER RING
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE OUTER RING
MaterialSTEEL RETAINER
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE INNER RING
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE BALL
MaterialSTEEL COMP E52100 OUTER RING
Overall Outside Diameter0.4996 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
Bore Diameter0.1872 INCHES MINIMUM AND 0.1875 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3110-00-005-59972818883 INTERCHANGEABLE
Bearing
Lockheed Martin Corporation Div Rms - Manassas
3110-00-227-30380374-3 INTERCHANGEABLE
Bearing,ball,annular
Lockheed Martin Corporation Div Rms - Mitchel Field
Cross-Reference Index
Part NumberManufacturer
RB19017 Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec (USA)
77R3RB19017 PRIMARY Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec (USA)
77R3 General Motors Corp Delco Moraine Ndh Div (USA)
Related Parts
3110-00-005-5997INTERCHANGEABLE
BEARING
2818883
3110-00-227-3038INTERCHANGEABLE
BEARING,BALL,ANNULAR
0374-3

Frequently Asked Questions

What is NSN 3110-00-935-5630?

NSN 3110-00-935-5630 is a Bearing,ball,annular, manufactured by Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-935-5630?

NSN 3110-00-935-5630 has 3 cross-referenced part numbers: RB19017 (Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec), 77R3RB19017 (Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec), 77R3 (General Motors Corp Delco Moraine Ndh Div).

What NSN replaces 3110-00-935-5630?

There are 2 known substitutes for 3110-00-935-5630: 3110-00-005-5997, 3110-00-227-3038. Verify interchangeability with system specifications before substitution.

What are the specifications of 77R3RB19017?

Key specifications for 77R3RB19017: Material: STEEL SHIELD; Shield Quantity: 2; Bore Shape: STRAIGHT; Internal Clearance: 0.0001 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN. 21 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