PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

55437Cup,tapered Roller Bearing

The Timken Corporation · NSN 3110-00-100-0600 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-100-0600 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-100-0600. Primary manufacturer part number: 55437.
Features
  • Cup,tapered Roller Bearing — FSC 3110
  • Standard Tolerance Designation: AFBMA CLASS 2
  • Style Designator: NORMAL ANGLE
  • Outside Diameter: 4.3750 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Backface Corner Radius: 0.1300 INCHES NOMINAL IN
  • 50 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 3110-00-100-0600, 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 50 commercial cross-references from 40 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
NSN3110-00-100-0600
Primary Part Number55437
Item NameCup,tapered Roller Bearing
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerThe Timken Corporation
StatusCANCELLED
Standard Tolerance DesignationAFBMA CLASS 2
Style DesignatorNORMAL ANGLE
Outside Diameter4.3750 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Backface Corner Radius0.1300 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5360-00-072-6734120472 INTERCHANGEABLE
Spring,helical,extension
Michael Reese Research Foundation
3110-00-100-0223377 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
3110-00-100-05560042887-0 INTERCHANGEABLE
Cup,tapered Roller Bearing
New Holland Construction
6625-00-138-5846 INTERCHANGEABLE
Ammeter
5950-00-152-9567 INTERCHANGEABLE
Transformer,power
2510-00-176-946611641029 INTERCHANGEABLE
Shock Absorber,direct Action
U S Army Tank Automotive Command Amsta-Im-Mm
5133-00-189-9282 INTERCHANGEABLE
Drill,twist
5840-00-320-841846584 INTERCHANGEABLE
Cover,brush,wavegui
L3harris Technologies, Inc Div Space & Airborne Systems
6635-00-334-7421500-520 INTERCHANGEABLE
Test Stand,compressed Gas Cylind
Hydro-Test Products, Inc. Dba Hydro-Test Products Inc
5950-00-434-0799311-13750-01 INTERCHANGEABLE
Transformer,power
Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems
Cross-Reference Index
Part NumberManufacturer
1787815 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
55437 PRIMARY The Timken Corporation (USA)
55437 Tyson Bearing Co Div Skf Industries Inc (USA)
XX003-4137 Rdm Technology B.v. (NLD)
55437 PRIMARY Ntn Bearing Corporation of America (USA)
K55437 Skf France (FRA)
55437 Federal-Mogul Corp Government Sales Dept (USA)
55437 Dana Off Highway Products, Llc (USA)
428096 American Standard Inc Westinghouse Air Brake Co Div (USA)
V1641 Correct Mfg Corp (USA)
107323 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
64AX132 Mack Trucks Inc (USA)
200972 Hyster-Yale Group, Inc. (USA)
55437 The Timken Company (FRA)
FF0127 Emerson Power Transmission Corporation Div Ept (USA)
706917 Army Weapons Command Attn Amswe-Ree-S (USA)
55437 Clark Equipment Co (USA)
9A55437 Fwd Seagrave Holdings Lp (USA)
12495 Pettibone Llc (USA)
10673988-001 General Dynamics Land Systems Canadacorp (CAN)
Related Parts
5360-00-072-6734INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
120472
3110-00-100-0223INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
377
3110-00-100-0556INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
0042887-0
6625-00-138-5846INTERCHANGEABLE
AMMETER
5950-00-152-9567INTERCHANGEABLE
TRANSFORMER,POWER
2510-00-176-9466INTERCHANGEABLE
SHOCK ABSORBER,DIRECT ACTION
11641029
5133-00-189-9282INTERCHANGEABLE
DRILL,TWIST
5840-00-320-8418INTERCHANGEABLE
COVER,BRUSH,WAVEGUI
46584
6635-00-334-7421INTERCHANGEABLE
TEST STAND,COMPRESSED GAS CYLIND
500-520
5950-00-434-0799INTERCHANGEABLE
TRANSFORMER,POWER
311-13750-01
5315-00-516-5073INTERCHANGEABLE
KEY,MACHINE
171047CC
3120-00-575-6800INTERCHANGEABLE
BUSHING,SLEEVE
CB27110-001

Frequently Asked Questions

What is NSN 3110-00-100-0600?

NSN 3110-00-100-0600 is a Cup,tapered Roller Bearing, manufactured by The Timken Corporation, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-100-0600?

NSN 3110-00-100-0600 has 50 cross-referenced part numbers: 1787815 (Chrysler Realty Company Llc Dba Daimler Chrysler), 55437 (The Timken Corporation), 55437 (Tyson Bearing Co Div Skf Industries Inc), XX003-4137 (Rdm Technology B.v.), 55437 (Ntn Bearing Corporation of America) and 45 more.

What NSN replaces 3110-00-100-0600?

There are 12 known substitutes for 3110-00-100-0600: 5360-00-072-6734, 3110-00-100-0223, 3110-00-100-0556 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 55437?

Key specifications for 55437: Overall Width: 0.8125 INCHES NOMINAL IN; Standard Tolerance Designation: AFBMA CLASS 2; Style Designator: NORMAL ANGLE; Outside Diameter: 4.3750 INCHES NOMINAL IN. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-100-0600 still in active supply?

NSN 3110-00-100-0600 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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