PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1931Cup,tapered Roller Bearing

The Timken Corporation · NSN 3110-00-100-0351 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-100-0351 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-100-0351. Primary manufacturer part number: 1931.
Features
  • Cup,tapered Roller Bearing — FSC 3110
  • Standard Tolerance Designation: AFBMA CLASS 2
  • Material: STEEL OVERALL
  • Style Designator: NORMAL ANGLE
  • Backface Corner Radius: 0.0469 INCHES NOMINAL IN
  • Outside Diameter: 2.3750 INCHES NOMINAL IN
  • 24 verified cross-references
  • Primary manufacturer: The Timken Corporation
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Cup,tapered Roller Bearing, cataloged under National Stock Number 3110-00-100-0351, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is The Timken Corporation. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 24 commercial cross-references from 18 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
NSN3110-00-100-0351
Primary Part Number1931
Item NameCup,tapered Roller Bearing
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerThe Timken Corporation
StatusACTIVE
Standard Tolerance DesignationAFBMA CLASS 2
MaterialSTEEL OVERALL
Style DesignatorNORMAL ANGLE
Backface Corner Radius0.0469 INCHES NOMINAL IN
Outside Diameter2.3750 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6625-00-003-1356 INTERCHANGEABLE
Voltmeter
5930-00-246-8391 INTERCHANGEABLE
Switch,rotary
5935-00-258-7213 INTERCHANGEABLE
Connector,plug,electrical
6210-00-283-9741 INTERCHANGEABLE
Housing,light
4820-00-289-21764DP2091APC330-1 INTERCHANGEABLE
Valve,check
The Walworth Company
6145-00-728-3278 INTERCHANGEABLE
Cable,power,electrical
6250-00-775-88281931 INTERCHANGEABLE
Lampholder
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
2920-00-832-0150AR58126 INTERCHANGEABLE
Switch,lock,ignition
Deere & Company Dba Deere John Co
6625-00-890-0473 INTERCHANGEABLE
Lens Assembly,reticle
3040-00-908-0622160490 INTERCHANGEABLE
Pawl
Lucent Technologies Inc Corporate Headquarters
Cross-Reference Index
Part NumberManufacturer
712242 Army Weapons Command Attn Amswe-Ree-S (USA)
1931 PRIMARY The Timken Corporation (USA)
BT1931 PRIMARY Federal-Mogul Corp Government Sales Dept (USA)
1931 Tyson Bearing Co Div Skf Industries Inc (USA)
0211584-8 Itt Goulds Pumps, Inc. (USA)
160490 Hercules Engine Co Inc (USA)
FF-B-187A Federal Specifications Promulgated by General Services Administration Washington DC (USA)
MA1613 Itt Goulds Pumps, Inc. (USA)
63383 PRIMARY Briggs and Stratton Corp (USA)
160490 PRIMARY Acf Industries Inc (USA)
M1931 Met-Pro Corporation (USA)
0211584-8 Allis-Chalmers Corp (USA)
1931 PRIMARY Rbc Bearings Incorporated Div West Trenton Division (USA)
211584 Agco Corp Parts Opn (USA)
MA1613 Allis-Chalmers Corp (USA)
6160490 Hercules Engine Co Inc (USA)
6160490 PRIMARY Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
350506 American Standard Inc Westinghouse Air Brake Co Div (USA)
350506 Wabco Construction and Mining Equipment Group Indianapolis Plant an American Standard Inc Co (USA)
X13493 Eaton Truck Components (GBR)
Related Parts
6625-00-003-1356INTERCHANGEABLE
VOLTMETER
5930-00-246-8391INTERCHANGEABLE
SWITCH,ROTARY
5935-00-258-7213INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
6210-00-283-9741INTERCHANGEABLE
HOUSING,LIGHT
4820-00-289-2176INTERCHANGEABLE
VALVE,CHECK
4DP2091APC330-1
6145-00-728-3278INTERCHANGEABLE
CABLE,POWER,ELECTRICAL
6250-00-775-8828INTERCHANGEABLE
LAMPHOLDER
1931
2920-00-832-0150INTERCHANGEABLE
SWITCH,LOCK,IGNITION
AR58126
6625-00-890-0473INTERCHANGEABLE
LENS ASSEMBLY,RETICLE
3040-00-908-0622INTERCHANGEABLE
PAWL
160490
5325-00-954-1335INTERCHANGEABLE
EYELET,METALLIC
AD121-0053-0030
6625-00-993-9018INTERCHANGEABLE
METER,SPECIAL SCALE
2019703-0701

Frequently Asked Questions

What is NSN 3110-00-100-0351?

NSN 3110-00-100-0351 is a Cup,tapered Roller Bearing, manufactured by The Timken Corporation, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-100-0351?

NSN 3110-00-100-0351 has 24 cross-referenced part numbers: 712242 (Army Weapons Command Attn Amswe-Ree-S), 1931 (The Timken Corporation), BT1931 (Federal-Mogul Corp Government Sales Dept), 1931 (Tyson Bearing Co Div Skf Industries Inc), 0211584-8 (Itt Goulds Pumps, Inc.) and 19 more.

What NSN replaces 3110-00-100-0351?

There are 12 known substitutes for 3110-00-100-0351: 6625-00-003-1356, 5930-00-246-8391, 5935-00-258-7213 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1931?

Key specifications for 1931: Overall Width: 0.6250 INCHES NOMINAL IN; Standard Tolerance Designation: AFBMA CLASS 2; Material: STEEL OVERALL; Style Designator: NORMAL ANGLE. 6 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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