PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21310Bearing,roller,self-Aligning

Skf Usa Inc. · NSN 3110-00-156-1424 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-156-1424 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-156-1424. Primary manufacturer part number: 21310.
Features
  • Bearing,roller,self-Aligning — FSC 3110
  • Standard Tolerance Designation: RBEC NO.1
  • Overall Outside Diameter: 110.0 MILLIMETERS NOMINAL MM
  • Style Designator: DOUBLE ROW, SPHERICAL ROLLERS, SELF-CONTAINED, OUTER AND INNER RACEWAYS CONCAVE, NON-SEPARABLE
  • Material: STEEL INNER RING
  • Material: STEEL OUTER RING
  • Material: STEEL ROLLER
  • Internal Fit-Up Designation: STANDARD
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Inner Ring construction
General Description

The Bearing,roller,self-Aligning, cataloged under National Stock Number 3110-00-156-1424, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Skf Usa Inc.. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 4 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
NSN3110-00-156-1424
Primary Part Number21310
Item NameBearing,roller,self-Aligning
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSkf Usa Inc.
StatusACTIVE
Standard Tolerance DesignationRBEC NO.1
Overall Outside Diameter110.0 MILLIMETERS NOMINAL MM
Style DesignatorDOUBLE ROW, SPHERICAL ROLLERS, SELF-CONTAINED, OUTER AND INNER RACEWAYS CONCAVE, NON-SEPARABLE
MaterialSTEEL INNER RING
MaterialSTEEL OUTER RING
MaterialSTEEL ROLLER
Internal Fit-Up DesignationSTANDARD
Bore Diameter50.0 MILLIMETERS NOMINAL MM
Surface FinishGROUND
Bore ShapeSTRAIGHT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2805-00-356-130121310 INTERCHANGEABLE
Body,breather Valve
Briggs and Stratton Corp
4720-00-451-2727213-10 INTERCHANGEABLE
Hose,nonmetallic
Parker-Hannifin Corporation Dba Pneutronics Div Hose Products Division
5945-00-476-1194860-204 INTERCHANGEABLE
Relay
Ranco Inc Ranco Controls Div
1005-00-499-438721310 INTERCHANGEABLE
Yoke Assembly,booster
Safran Power Usa Llc
4730-00-537-930121310 INTERCHANGEABLE
Expansion Joint,pipe
Hyspan Precision Products, Inc.
6145-00-553-7822 INTERCHANGEABLE
Cable,radio Frequency
5331-00-599-242721310 INTERCHANGEABLE
O-Ring
L3harris Technologies, Inc. Div Space and Airborne Systems
5999-00-636-817421-310 INTERCHANGEABLE
Contact,electrical
Eaton Corp Opns & Technical Center
5355-00-914-653321310 INTERCHANGEABLE
Dial,scale
Aerosonic Llc
4730-01-348-062921310 INTERCHANGEABLE
Reducer,hose
National Oil Well Dba Iec Baylor
Cross-Reference Index
Part NumberManufacturer
2033 PIECE 37 Sew-Eurodrive, Inc. (USA)
21310 PRIMARY Skf Usa Inc. (USA)
21310J Skf Usa Inc. (USA)
21310AJ Skf Usa Inc. (USA)
21310 Naval Ship Systems Command (USA)
SKF 21310C Skf Usa Inc. (USA)
010-585-6 Sew-Eurodrive, Inc. (USA)
21310C Skf Usa Inc. (USA)
B1330-1-89 Greerco Corp (USA)
Related Parts
2805-00-356-1301INTERCHANGEABLE
BODY,BREATHER VALVE
21310
4720-00-451-2727INTERCHANGEABLE
HOSE,NONMETALLIC
213-10
5945-00-476-1194INTERCHANGEABLE
RELAY
860-204
1005-00-499-4387INTERCHANGEABLE
YOKE ASSEMBLY,BOOSTER
21310
4730-00-537-9301INTERCHANGEABLE
EXPANSION JOINT,PIPE
21310
6145-00-553-7822INTERCHANGEABLE
CABLE,RADIO FREQUENCY
5331-00-599-2427INTERCHANGEABLE
O-RING
21310
5999-00-636-8174INTERCHANGEABLE
CONTACT,ELECTRICAL
21-310
5355-00-914-6533INTERCHANGEABLE
DIAL,SCALE
21310
4730-01-348-0629INTERCHANGEABLE
REDUCER,HOSE
21310
6060-01-348-5030INTERCHANGEABLE
SPLICE,FIBER OPTIC CONDUCTOR
21300
4810-01-415-6592INTERCHANGEABLE
VALVE ASSEMBLY
21310-001

Frequently Asked Questions

What is NSN 3110-00-156-1424?

NSN 3110-00-156-1424 is a Bearing,roller,self-Aligning, manufactured by Skf Usa Inc., classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-156-1424?

NSN 3110-00-156-1424 has 9 cross-referenced part numbers: 2033 PIECE 37 (Sew-Eurodrive, Inc.), 21310 (Skf Usa Inc.), 21310J (Skf Usa Inc.), 21310AJ (Skf Usa Inc.), 21310 (Naval Ship Systems Command) and 4 more.

What NSN replaces 3110-00-156-1424?

There are 12 known substitutes for 3110-00-156-1424: 2805-00-356-1301, 4720-00-451-2727, 5945-00-476-1194 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21310?

Key specifications for 21310: Standard Tolerance Designation: RBEC NO.1; Overall Outside Diameter: 110.0 MILLIMETERS NOMINAL MM; Style Designator: DOUBLE ROW, SPHERICAL ROLLERS, SELF-CONTAINED, OUTER AND INNER RACEWAYS CONCAVE, NON-SEPARABLE; Material: STEEL INNER RING. 11 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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