PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1593945Bearing,roller,self-Aligning

Caterpillar Inc Div Caterpillar Defense · NSN 3110-00-190-9310 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-190-9310 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-190-9310. Primary manufacturer part number: 1593945.
Features
  • Bearing,roller,self-Aligning — FSC 3110
  • Bore Diameter: 75.0 MILLIMETERS NOMINAL MM
  • Internal Fit-Up Designation: LOOSE
  • Material: STEEL OUTER RING
  • Style Designator: DOUBLE ROW, SPHERICAL ROLLERS, SELF-CONTAINED, OUTER AND INNER RACEWAYS CONCAVE, NON-SEPARABLE
  • Material: STEEL ROLLER
  • Bore Shape: STRAIGHT
  • Material: COPPER ALLOY OR STEEL OR ALUMINUM RETAINER
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Outer Ring construction
General Description

The Bearing,roller,self-Aligning, cataloged under National Stock Number 3110-00-190-9310, 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 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-190-9310
Primary Part Number1593945
Item NameBearing,roller,self-Aligning
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusCANCELLED
Bore Diameter75.0 MILLIMETERS NOMINAL MM
Internal Fit-Up DesignationLOOSE
MaterialSTEEL OUTER RING
Style DesignatorDOUBLE ROW, SPHERICAL ROLLERS, SELF-CONTAINED, OUTER AND INNER RACEWAYS CONCAVE, NON-SEPARABLE
MaterialSTEEL ROLLER
Bore ShapeSTRAIGHT
MaterialCOPPER ALLOY OR STEEL OR ALUMINUM RETAINER
Standard Tolerance DesignationRBEC NO.1
MaterialSTEEL INNER RING
Surface FinishGROUND
Overall Outside Diameter160.0 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4820-00-036-1731005 5000004 INTERCHANGEABLE
Disk,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
3445-00-251-756918-52 INTERCHANGEABLE
Shearing Machine,metal,squaring
Belco Industries, Inc. Dba Belco Industries Inc Div Famco Machine Division
5935-00-284-2310SK1030 INTERCHANGEABLE
Socket,plug-in Electronic Compon
Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp
3020-00-541-68321852 INTERCHANGEABLE
Gear,spur
L3harris Technologies, Inc. Div Space and Airborne Systems
5120-00-640-6733 INTERCHANGEABLE
Bit,screwdriver
5360-00-847-7275 INTERCHANGEABLE
Spring,helical,extension
5945-00-978-44023149601 INTERCHANGEABLE
Relay,solid State
Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)
6650-01-024-10671852 INTERCHANGEABLE
Filter,light,optical Instrument
Metavac Llc
5975-01-087-0306OLL-3 INTERCHANGEABLE
Conduit Outlet
Killark Electric Mfg Co
5305-01-183-3166530-021 INTERCHANGEABLE
Setscrew
Kirby Morgan Dive Systems Inc
Cross-Reference Index
Part NumberManufacturer
75SD23W33F3 Timken Aerospace, Inc Dba Torrington Product (USA)
22315LBW33C3 Rexnord Industries, Llc Div Link-Belt Bearing Operation (USA)
1593945 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
3K9616 Caterpillar Inc Div Caterpillar Defense (USA)
1-852 Terex Usa, Llc Dba Terex Equipment Services (USA)
22315YMW33C3 Timken Co Div the Timken Company (USA)
Related Parts
4820-00-036-1731INTERCHANGEABLE
DISK,VALVE
005 5000004
3445-00-251-7569INTERCHANGEABLE
SHEARING MACHINE,METAL,SQUARING
18-52
5935-00-284-2310INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
SK1030
3020-00-541-6832INTERCHANGEABLE
GEAR,SPUR
1852
5120-00-640-6733INTERCHANGEABLE
BIT,SCREWDRIVER
5360-00-847-7275INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
5945-00-978-4402INTERCHANGEABLE
RELAY,SOLID STATE
3149601
6650-01-024-1067INTERCHANGEABLE
FILTER,LIGHT,OPTICAL INSTRUMENT
1852
5975-01-087-0306INTERCHANGEABLE
CONDUIT OUTLET
OLL-3
5305-01-183-3166INTERCHANGEABLE
SETSCREW
530-021
6532-01-283-4495INTERCHANGEABLE
TROUSERS,OPERATING,SURGICAL
1852
5355-01-296-9681INTERCHANGEABLE
KNOB

Frequently Asked Questions

What is NSN 3110-00-190-9310?

NSN 3110-00-190-9310 is a Bearing,roller,self-Aligning, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-190-9310?

NSN 3110-00-190-9310 has 6 cross-referenced part numbers: 75SD23W33F3 (Timken Aerospace, Inc Dba Torrington Product), 22315LBW33C3 (Rexnord Industries, Llc Div Link-Belt Bearing Operation), 1593945 (Caterpillar Inc Div Caterpillar Defense), 3K9616 (Caterpillar Inc Div Caterpillar Defense), 1-852 (Terex Usa, Llc Dba Terex Equipment Services) and 1 more.

What NSN replaces 3110-00-190-9310?

There are 12 known substitutes for 3110-00-190-9310: 4820-00-036-1731, 3445-00-251-7569, 5935-00-284-2310 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1593945?

Key specifications for 1593945: Bore Diameter: 75.0 MILLIMETERS NOMINAL MM; Internal Fit-Up Designation: LOOSE; Overall Width: 55.0 MILLIMETERS NOMINAL MM; Material: STEEL OUTER RING. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-190-9310 still in active supply?

NSN 3110-00-190-9310 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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