PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B4945Bearing,ball,annular

Bay City Shovels, Inc · NSN 3110-00-156-4829 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-156-4829 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-156-4829. Primary manufacturer part number: B4945.
Features
  • Bearing,ball,annular — FSC 3110
  • Surface Finish: GROUND
  • Lubrication Material: GREASE
  • Standard Tolerance Designation: ABEC NO.1
  • Contact Angle: 25.0 DEGREES MAXIMUM
  • Load Direction: ANGULAR
  • Internal Fit-Up Contact Angular Direction: INWARD CONVERGENT
  • Internal Fit-Up Designation: STANDARD
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-156-4829, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Bay City Shovels, Inc. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 50 commercial cross-references from 32 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-156-4829
Primary Part NumberB4945
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerBay City Shovels, Inc
StatusACTIVE
Surface FinishGROUND
Lubrication MaterialGREASE
Standard Tolerance DesignationABEC NO.1
Contact Angle25.0 DEGREES MAXIMUM
Load DirectionANGULAR
Internal Fit-Up Contact Angular DirectionINWARD CONVERGENT
Internal Fit-Up DesignationSTANDARD
Bore ShapeSTRAIGHT
Lubrication Material Document and ClassificationMIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE
Nondefinitive Spec/std Data00 GRADE AND 145 TYPE
Style DesignatorLOADING GROOVE, NON-SEPARABLE
MaterialSTEEL OVERALL
Bore Diameter25.00 MILLIMETERS NOMINAL MM
Overall Outside Diameter52.00 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
2540-00-311-1253 INTERCHANGEABLE
Button Assembly,pis
6625-00-489-05851770092 INTERCHANGEABLE
Ammeter
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3110-00-540-80703205EW/VS112 INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
5330-01-197-6304A17901 INTERCHANGEABLE
Packing,preformed
Cnh Industrial America Llc Dba Cnh America
5970-01-242-5977B4945 INTERCHANGEABLE
Insulator,plate
Nsgdatacom Inc
3120-01-282-1467A1790-1 INTERCHANGEABLE
Bushing,sleeve
Eaton Aerospace Llc Sterer Engineering Morgan Actuators
4730-01-394-8199158901 INTERCHANGEABLE
Union,pipe
Karl Senner, L.l.c. Dba Karl Senner Inc
6750-01-427-2513 INTERCHANGEABLE
Film,photographic
7690-01-670-8325252157 INTERCHANGEABLE
Marker,identification
Eti Tech Llc
8465-01-715-96358004982 INTERCHANGEABLE
Patch Pocket,utility
Med-Eng, Llc
Cross-Reference Index
Part NumberManufacturer
23024-3 Bendix Corp the (USA)
23024-3 Allied Signal Inc Aerospace Equipment Systems Eatontown Site (USA)
B4945 Fmc Corp Link-Belt Div (USA)
B4945 PRIMARY Bay City Shovels, Inc (USA)
5205AS PRIMARY Skf Usa Inc. (USA)
273829-78 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
B4945A PRIMARY Dresser, Llc (USA)
353652R91 Komatsu American Intl Co (USA)
B4945 Koehring Co Lorain Div (USA)
213753-14 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
23024-3 Bendix Corp the Brake and Steering Div (USA)
104184-9 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
83806-10 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
RT6000A44 Blaw Knox Corp Blaw-Knox Equipment Div (USA)
S1449632 PRIMARY Westinghouse Electric Corp (USA)
B4945 PRIMARY Link-Belt Cranes, L.p., Lllp (USA)
230660-2 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
353652R91 Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
224851-14 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
A1790-1 PRIMARY Raytheon Company Dba Raytheon Co (USA)
Related Parts
2540-00-311-1253INTERCHANGEABLE
BUTTON ASSEMBLY,PIS
6625-00-489-0585INTERCHANGEABLE
AMMETER
1770092
3110-00-540-8070INTERCHANGEABLE
BEARING,BALL,ANNULAR
3205EW/VS112
5330-01-197-6304INTERCHANGEABLE
PACKING,PREFORMED
A17901
5970-01-242-5977INTERCHANGEABLE
INSULATOR,PLATE
B4945
3120-01-282-1467INTERCHANGEABLE
BUSHING,SLEEVE
A1790-1
4730-01-394-8199INTERCHANGEABLE
UNION,PIPE
158901
6750-01-427-2513INTERCHANGEABLE
FILM,PHOTOGRAPHIC
7690-01-670-8325INTERCHANGEABLE
MARKER,IDENTIFICATION
252157
8465-01-715-9635INTERCHANGEABLE
PATCH POCKET,UTILITY
8004982

Frequently Asked Questions

What is NSN 3110-00-156-4829?

NSN 3110-00-156-4829 is a Bearing,ball,annular, manufactured by Bay City Shovels, Inc, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-156-4829?

NSN 3110-00-156-4829 has 50 cross-referenced part numbers: 23024-3 (Bendix Corp the), 23024-3 (Allied Signal Inc Aerospace Equipment Systems Eatontown Site), B4945 (Fmc Corp Link-Belt Div), B4945 (Bay City Shovels, Inc), 5205AS (Skf Usa Inc.) and 45 more.

What NSN replaces 3110-00-156-4829?

There are 10 known substitutes for 3110-00-156-4829: 2540-00-311-1253, 6625-00-489-0585, 3110-00-540-8070 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B4945?

Key specifications for B4945: Surface Finish: GROUND; Lubrication Material: GREASE; Standard Tolerance Designation: ABEC NO.1; Contact Angle: 25.0 DEGREES MAXIMUM. 15 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