PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1B4137Bearing,ball,annular

Caterpillar Inc Div Caterpillar Defense · NSN 3110-00-155-6746 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-155-6746 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-155-6746. Primary manufacturer part number: 1B4137.
Features
  • Bearing,ball,annular — FSC 3110
  • Material: STEEL INNER RING
  • Material: STEEL BALL
  • Material: STEEL OUTER RING
  • Style Designator: LOADING GROOVE, NON-SEPARABLE
  • Bore Diameter: 50.00 MILLIMETERS NOMINAL MM
  • Standard Tolerance Designation: ABEC NO.1
  • Overall Outside Diameter: 130.00 MILLIMETERS NOMINAL MM
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Inner Ring construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-155-6746, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 27 commercial cross-references from 22 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-155-6746
Primary Part Number1B4137
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusACTIVE
MaterialSTEEL INNER RING
MaterialSTEEL BALL
MaterialSTEEL OUTER RING
Style DesignatorLOADING GROOVE, NON-SEPARABLE
Bore Diameter50.00 MILLIMETERS NOMINAL MM
Standard Tolerance DesignationABEC NO.1
Overall Outside Diameter130.00 MILLIMETERS NOMINAL MM
Internal Fit-Up DesignationSTANDARD
Bore ShapeSTRAIGHT
Load DirectionRADIAL
Surface FinishGROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-018-60373144 INTERCHANGEABLE
Nut,swivel
Roller Bearing Co of America, Inc Div Pic Design
5961-00-069-506605-03144-0A INTERCHANGEABLE
Semiconductor Device,diode
Ballantine Laboratories Inc
3020-00-138-789316636 INTERCHANGEABLE
Gear,spur
Southern Gear & Machine Inc
6625-00-191-9254 INTERCHANGEABLE
Ammeter
5220-00-215-2171 INTERCHANGEABLE
Gage,profile
5360-00-237-5482271695PC3 INTERCHANGEABLE
Spring,helical,compression
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5998-00-241-6438107931 INTERCHANGEABLE
Circuit Card Assembly
Astronautics Corporation of America
4730-00-266-0534SAE J512 4-6 010102B INTERCHANGEABLE
Adapter,straight,pipe to Tube
Sae International Dba Sae International
5310-00-293-660042971 INTERCHANGEABLE
Washer,flat
L3harris Technologies, Inc Div Space & Airborne Systems
2940-00-300-0891151940 INTERCHANGEABLE
Filter Element,intake Air Cleane
Cummins Inc.
Cross-Reference Index
Part NumberManufacturer
107931 Lodge and Shipley/manuflux (USA)
1B4137 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
42971 New Holland Construction (USA)
RC20A Paragon Power Inc Sub of Great Lakes Power Products Inc (USA)
232-11P41 Itt Goulds Pumps, Inc. (USA)
BM388 Cooper Cameron Corp Ajax-Superior Div (USA)
28A19X140 Dresser-Rand Co Ingersoll-Rand Opns a Joint Venture (USA)
461951 Westinghouse Electric Corp Power Generation-Generator Div (USA)
1410 PRIMARY Federal-Mogul Corp Government Sales Dept (USA)
28A19X140 PRIMARY Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA)
410A Timken Co Div the Timken Company (USA)
28A19X140 Siemens Energy, Inc. Dba Dresser-Rand (USA)
042971 New Holland Construction (USA)
461951 PRIMARY Westinghouse Electric Corp (USA)
700584 Army Weapons Command Attn Amswe-Ree-S (USA)
1410M Schatz Bearing Corporation Dba Schatz Bearing Corp (USA)
101075 Cooper Cameron Corp Ajax-Superior Div (USA)
6410MAX PRIMARY Naval Ship Systems Command (USA)
84570 PRIMARY Fwd Seagrave Holdings Lp (USA)
16636 PRIMARY Harbormaster Marine, Inc (USA)
Related Parts
5310-00-018-6037INTERCHANGEABLE
NUT,SWIVEL
3144
5961-00-069-5066INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
05-03144-0A
3020-00-138-7893INTERCHANGEABLE
GEAR,SPUR
16636
6625-00-191-9254INTERCHANGEABLE
AMMETER
5220-00-215-2171INTERCHANGEABLE
GAGE,PROFILE
5360-00-237-5482INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
271695PC3
5998-00-241-6438INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
107931
4730-00-266-0534INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
SAE J512 4-6 010102B
5310-00-293-6600INTERCHANGEABLE
WASHER,FLAT
42971
2940-00-300-0891INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
151940
5920-00-308-5681INTERCHANGEABLE
BLOCK,FUSE CASE CON
461951
5355-00-358-8725INTERCHANGEABLE
KNOB
42971

Frequently Asked Questions

What is NSN 3110-00-155-6746?

NSN 3110-00-155-6746 is a Bearing,ball,annular, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-155-6746?

NSN 3110-00-155-6746 has 27 cross-referenced part numbers: 107931 (Lodge and Shipley/manuflux), 1B4137 (Caterpillar Inc Div Caterpillar Defense), 42971 (New Holland Construction), RC20A (Paragon Power Inc Sub of Great Lakes Power Products Inc), 232-11P41 (Itt Goulds Pumps, Inc.) and 22 more.

What NSN replaces 3110-00-155-6746?

There are 12 known substitutes for 3110-00-155-6746: 5310-00-018-6037, 5961-00-069-5066, 3020-00-138-7893 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1B4137?

Key specifications for 1B4137: Material: STEEL INNER RING; Material: STEEL BALL; Material: STEEL OUTER RING; Style Designator: LOADING GROOVE, NON-SEPARABLE. 12 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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