PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

78551Cup,tapered Roller Bearing

The Timken Corporation · NSN 3110-00-100-0619 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-100-0619 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-100-0619. Primary manufacturer part number: 78551.
Features
  • Cup,tapered Roller Bearing — FSC 3110
  • Backface Corner Radius: 0.0940 INCHES NOMINAL IN
  • Standard Tolerance Designation: AFBMA CLASS 2
  • Style Designator: NORMAL ANGLE
  • Material: STEEL OVERALL
  • Outside Diameter: 5.5130 INCHES NOMINAL IN
  • 43 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 3110-00-100-0619, 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 43 commercial cross-references from 34 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
NSN3110-00-100-0619
Primary Part Number78551
Item NameCup,tapered Roller Bearing
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerThe Timken Corporation
StatusCANCELLED
Backface Corner Radius0.0940 INCHES NOMINAL IN
Standard Tolerance DesignationAFBMA CLASS 2
Style DesignatorNORMAL ANGLE
MaterialSTEEL OVERALL
Outside Diameter5.5130 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3040-00-137-839801158100 INTERCHANGEABLE
Lever,manual Control
Orscheln Products Llc
1680-00-182-374114-85437-00 INTERCHANGEABLE
Control Assembly,mo
Curtiss-Wright Controls, Inc. Div Actuation Division
5133-00-189-9187 INTERCHANGEABLE
Drill,twist
3010-00-244-78854615-9P INTERCHANGEABLE
Coupling,shaft,flexible
Rexnord Industries Llc
5975-00-304-50197855-1 INTERCHANGEABLE
Mounting Base,electrical Equipme
Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp
5815-00-448-397578551 INTERCHANGEABLE
Shaft
Telemechanics Inc
5930-00-463-306827238 INTERCHANGEABLE
Switch,flow
Setra Systems, Inc. Dba Gems Sensors
5330-00-768-7221 INTERCHANGEABLE
Gasket
3655-00-856-70122-19275 INTERCHANGEABLE
Seat,spring
Neac Compressor Service Usa Inc
2530-01-023-5676818778 & 806380 INTERCHANGEABLE
Camshaft,actuating,brake Shoe
Dana Commercial Vehicle Products, Llc
Cross-Reference Index
Part NumberManufacturer
0119275 Terex Corp (USA)
78551 PRIMARY The Timken Corporation (USA)
160437 Acf Industries Inc (USA)
1025Z1133 Morris Material Handling, Inc. (USA)
3A7226 Link-Belt Cranes, L.p., Lllp (USA)
132866 Komatsu American Intl Co (USA)
H160437 Kenosha Automotive Plant Sub of American Motors Corp (USA)
30087 Hyster-Yale Group, Inc. (USA)
S83291 Cnh Industrial America Llc Dba Cnh America (USA)
78551 Fmc Corp Link-Belt Div (USA)
78551 Osgood Co the (USA)
27238 Eaton Corp Axle Div (USA)
78551 Federal-Mogul Corp Government Sales Dept (USA)
6160437 Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
78551 Koehring Co (USA)
119275 General Motors Corp (USA)
110964 Terex Corp (USA)
6160437 Hercules Engine Co Inc (USA)
259582 Acf Industries Inc (USA)
78551 Link-Belt Cranes, L.p., Lllp (USA)
Related Parts
3040-00-137-8398INTERCHANGEABLE
LEVER,MANUAL CONTROL
01158100
1680-00-182-3741INTERCHANGEABLE
CONTROL ASSEMBLY,MO
14-85437-00
5133-00-189-9187INTERCHANGEABLE
DRILL,TWIST
3010-00-244-7885INTERCHANGEABLE
COUPLING,SHAFT,FLEXIBLE
4615-9P
5975-00-304-5019INTERCHANGEABLE
MOUNTING BASE,ELECTRICAL EQUIPME
7855-1
5815-00-448-3975INTERCHANGEABLE
SHAFT
78551
5930-00-463-3068INTERCHANGEABLE
SWITCH,FLOW
27238
5330-00-768-7221INTERCHANGEABLE
GASKET
3655-00-856-7012INTERCHANGEABLE
SEAT,SPRING
2-19275
2530-01-023-5676INTERCHANGEABLE
CAMSHAFT,ACTUATING,BRAKE SHOE
818778 & 806380
5340-01-070-3960INTERCHANGEABLE
CUP,COMPRESSION
78551
4730-01-082-3177INTERCHANGEABLE
FITTING,LUBRICATION
30087

Frequently Asked Questions

What is NSN 3110-00-100-0619?

NSN 3110-00-100-0619 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 3110-00-100-0619?

NSN 3110-00-100-0619 has 43 cross-referenced part numbers: 0119275 (Terex Corp), 78551 (The Timken Corporation), 160437 (Acf Industries Inc), 1025Z1133 (Morris Material Handling, Inc.), 3A7226 (Link-Belt Cranes, L.p., Lllp) and 38 more.

What NSN replaces 3110-00-100-0619?

There are 12 known substitutes for 3110-00-100-0619: 3040-00-137-8398, 1680-00-182-3741, 5133-00-189-9187 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 78551?

Key specifications for 78551: Backface Corner Radius: 0.0940 INCHES NOMINAL IN; Overall Width: 0.9260 INCHES NOMINAL IN; Special Features: STEEP ANGLE; Standard Tolerance Designation: AFBMA CLASS 2. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-100-0619 still in active supply?

NSN 3110-00-100-0619 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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