PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AP024068Bearing,roller,self-Aligning

Lufkin Industries, Inc. Dba Power Transmission · NSN 3110-00-357-9977 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-357-9977 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-357-9977. Primary manufacturer part number: AP024068.
Features
  • Bearing,roller,self-Aligning — FSC 3110
  • Internal Fit-Up Designation: STANDARD
  • Overall Outside Diameter: 420.0 MILLIMETERS NOMINAL MM
  • Standard Tolerance Designation: RBEC NO.1
  • Style Designator: DOUBLE ROW, SPHERICAL ROLLERS, SELF-CONTAINED, OUTER AND INNER RACEWAYS CONCAVE, NON-SEPARABLE
  • Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES ROLLER
  • Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES OUTER RING
  • Bore Diameter: 280.0 MILLIMETERS NOMINAL MM
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp E51100 or Steel Comp E52100 Outer Ring construction
General Description

The Bearing,roller,self-Aligning, cataloged under National Stock Number 3110-00-357-9977, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Lufkin Industries, Inc. Dba Power Transmission. Government technical data includes 14 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-357-9977
Primary Part NumberAP024068
Item NameBearing,roller,self-Aligning
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerLufkin Industries, Inc. Dba Power Transmission
StatusCANCELLED
Internal Fit-Up DesignationSTANDARD
Overall Outside Diameter420.0 MILLIMETERS NOMINAL MM
Standard Tolerance DesignationRBEC NO.1
Style DesignatorDOUBLE ROW, SPHERICAL ROLLERS, SELF-CONTAINED, OUTER AND INNER RACEWAYS CONCAVE, NON-SEPARABLE
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES ROLLER
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES OUTER RING
Bore Diameter280.0 MILLIMETERS NOMINAL MM
MaterialSTEEL COMP E51100 OR STEEL COMP E52100 OUTER RING
MaterialSTEEL COMP E51100 OR STEEL COMP E52100 INNER RING
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES INNER RING
MaterialSTEEL COMP E51100 OR STEEL COMP E52100 ROLLER
MaterialCOPPER ALLOY OR STEEL OR ALUMINUM RETAINER
Surface FinishGROUND
Bore ShapeSTRAIGHT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
5133-00-227-5954 INTERCHANGEABLE
Drill,twist
5360-00-338-918623056 INTERCHANGEABLE
Spring,helical
Fmc Technologies Inc Div Material Handling Solutions
2940-00-414-98631263PCDIS120 INTERCHANGEABLE
Filter Element,fluid
Kaydon Custom Filtration Corporation
4730-01-057-574023056 INTERCHANGEABLE
Packing Nut
Schneider Electric Systems Usa Inc
5950-01-069-7117 INTERCHANGEABLE
Coil,radio Frequency
6210-01-118-8413 INTERCHANGEABLE
Light,indicator
5365-01-188-078523056 INTERCHANGEABLE
Plug,machine Thread
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
6520-01-360-089629855 INTERCHANGEABLE
Resin,composite,dental
Kerr Corporation
Cross-Reference Index
Part NumberManufacturer
AP024068 Lufkin Industries, Inc. Dba Power Transmission (USA)
23056YM Timken Co Div the Timken Company (USA)
280SD30 Timken Aerospace, Inc Dba Torrington Product (USA)
MS17133-80 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
AP24068 Lufkin Industries, Inc. Dba Power Transmission (USA)
23056 Skf Usa Inc. (USA)
Related Parts
5133-00-227-5954INTERCHANGEABLE
DRILL,TWIST
5360-00-338-9186INTERCHANGEABLE
SPRING,HELICAL
23056
2940-00-414-9863INTERCHANGEABLE
FILTER ELEMENT,FLUID
1263PCDIS120
4730-01-057-5740INTERCHANGEABLE
PACKING NUT
23056
5950-01-069-7117INTERCHANGEABLE
COIL,RADIO FREQUENCY
6210-01-118-8413INTERCHANGEABLE
LIGHT,INDICATOR
5365-01-188-0785INTERCHANGEABLE
PLUG,MACHINE THREAD
23056
6520-01-360-0896INTERCHANGEABLE
RESIN,COMPOSITE,DENTAL
29855

Frequently Asked Questions

What is NSN 3110-00-357-9977?

NSN 3110-00-357-9977 is a Bearing,roller,self-Aligning, manufactured by Lufkin Industries, Inc. Dba Power Transmission, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-357-9977?

NSN 3110-00-357-9977 has 6 cross-referenced part numbers: AP024068 (Lufkin Industries, Inc. Dba Power Transmission), 23056YM (Timken Co Div the Timken Company), 280SD30 (Timken Aerospace, Inc Dba Torrington Product), MS17133-80 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), AP24068 (Lufkin Industries, Inc. Dba Power Transmission) and 1 more.

What NSN replaces 3110-00-357-9977?

There are 8 known substitutes for 3110-00-357-9977: 5133-00-227-5954, 5360-00-338-9186, 2940-00-414-9863 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AP024068?

Key specifications for AP024068: Internal Fit-Up Designation: STANDARD; Overall Outside Diameter: 420.0 MILLIMETERS NOMINAL MM; Standard Tolerance Designation: RBEC NO.1; Style Designator: DOUBLE ROW, SPHERICAL ROLLERS, SELF-CONTAINED, OUTER AND INNER RACEWAYS CONCAVE, NON-SEPARABLE. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-357-9977 still in active supply?

NSN 3110-00-357-9977 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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