PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4977Bearing,ball,annular

New Hampshire Ball Bearings Inc Div Hitech Division · NSN 3110-01-035-3765 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-01-035-3765 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-035-3765. Primary manufacturer part number: 4977.
Features
  • Bearing,ball,annular — FSC 3110
  • Bearing Preload Rating: 6.0 POUNDS MINIMUM AND 11.0 POUNDS MAXIMUM LBS
  • Internal Fit-Up Contact Angular Direction: OUTWARD CONVERGENT
  • Surface Finish: GROUND
  • Lubrication Material: OIL
  • Internal Clearance: 0.0012 INCHES NOMINAL RADIAL IN
  • Load Direction: ANGULAR
  • Contact Angle: 19.0 DEGREES MINIMUM AND 31.0 DEGREES MAXIMUM
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp 440c Ball construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-01-035-3765, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is New Hampshire Ball Bearings Inc Div Hitech Division. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-01-035-3765
Primary Part Number4977
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerNew Hampshire Ball Bearings Inc Div Hitech Division
StatusACTIVE
Bearing Preload Rating6.0 POUNDS MINIMUM AND 11.0 POUNDS MAXIMUM LBS
Internal Fit-Up Contact Angular DirectionOUTWARD CONVERGENT
Surface FinishGROUND
Lubrication MaterialOIL
Internal Clearance0.0012 INCHES NOMINAL RADIAL IN
Load DirectionANGULAR
Contact Angle19.0 DEGREES MINIMUM AND 31.0 DEGREES MAXIMUM
Bore ShapeSTRAIGHT
Shield Quantity1
Standard Tolerance DesignationABEC NO. 7P
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Material Document and ClassificationAMS 5630 ASSN STD SINGLE MATERIAL RESPONSE OUTER RING
Material Document and ClassificationAMS 5630 ASSN STD SINGLE MATERIAL RESPONSE BALL
Material Document and ClassificationAMS 5630 ASSN STD SINGLE MATERIAL RESPONSE INNER RING
MaterialSTEEL COMP 440C BALL
Surface TreatmentPASSIVATE OVERALL
MaterialSTEEL COMP 440C OUTER RING
MaterialSTEEL COMP 440C INNER RING
Overall Outside Diameter1.12435 INCHES MINIMUM AND 1.12455 INCHES MAXIMUM IN
Bore Diameter0.59075 INCHES MINIMUM AND 0.59095 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5330-00-291-637542746D INTERCHANGEABLE
Seal,plain Encased
Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/
5330-00-391-8370N0497767 INTERCHANGEABLE
Gasket
Leslie Controls, Inc. Dba Leslie Controls Inc
3040-00-394-84494977 INTERCHANGEABLE
Shaft,turbine
Northrop Grumman Systems Corporation Div Marine Systems
4820-01-066-95594977 INTERCHANGEABLE
Disk,valve
Husco International Inc
5940-01-118-14824979 INTERCHANGEABLE
Terminal,lug
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
6145-01-197-34122143 INTERCHANGEABLE
Cable,special Purpose,electrical
K and J Associates Inc
4710-01-208-87444977 INTERCHANGEABLE
Tube,metallic,coppe
Elliott Machine Works Inc
5935-01-258-2137 INTERCHANGEABLE
Connector,plug,electrical
5330-01-341-2145A71177 INTERCHANGEABLE
Gasket
Leslie Controls, Inc. Dba Leslie Controls Inc
Cross-Reference Index
Part NumberManufacturer
4977 PRIMARY New Hampshire Ball Bearings Inc Div Hitech Division (USA)
SR8MSX1DB PRIMARY Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation (USA)
AMM59302KD2MDRDB Timken Co Div the Timken Company (USA)
131-0399-001 The Boeing Company Div Legacy Boeing Hb1 (USA)
3TKMS8-18-92 PRIMARY Mpb Corporation Dba Mpb Corp (USA)
Related Parts
5330-00-291-6375INTERCHANGEABLE
SEAL,PLAIN ENCASED
42746D
5330-00-391-8370INTERCHANGEABLE
GASKET
N0497767
3040-00-394-8449INTERCHANGEABLE
SHAFT,TURBINE
4977
4820-01-066-9559INTERCHANGEABLE
DISK,VALVE
4977
5940-01-118-1482INTERCHANGEABLE
TERMINAL,LUG
4979
6145-01-197-3412INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
2143
4710-01-208-8744INTERCHANGEABLE
TUBE,METALLIC,COPPE
4977
5935-01-258-2137INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5330-01-341-2145INTERCHANGEABLE
GASKET
A71177

Frequently Asked Questions

What is NSN 3110-01-035-3765?

NSN 3110-01-035-3765 is a Bearing,ball,annular, manufactured by New Hampshire Ball Bearings Inc Div Hitech Division, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-01-035-3765?

NSN 3110-01-035-3765 has 5 cross-referenced part numbers: 4977 (New Hampshire Ball Bearings Inc Div Hitech Division), SR8MSX1DB (Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation), AMM59302KD2MDRDB (Timken Co Div the Timken Company), 131-0399-001 (The Boeing Company Div Legacy Boeing Hb1), 3TKMS8-18-92 (Mpb Corporation Dba Mpb Corp).

What NSN replaces 3110-01-035-3765?

There are 9 known substitutes for 3110-01-035-3765: 5330-00-291-6375, 5330-00-391-8370, 3040-00-394-8449 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4977?

Key specifications for 4977: Bearing Preload Rating: 6.0 POUNDS MINIMUM AND 11.0 POUNDS MAXIMUM LBS; Internal Fit-Up Contact Angular Direction: OUTWARD CONVERGENT; Surface Finish: GROUND; Lubrication Material: OIL. 23 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