PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

452320M2W502Bearing,roller,self-Aligning

Skf Usa Inc. · NSN 3110-00-871-7838 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-871-7838 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-871-7838. Primary manufacturer part number: 452320M2W502.
Features
  • Bearing,roller,self-Aligning — FSC 3110
  • Material: STEEL ROLLER
  • Style Designator: DOUBLE ROW, SPHERICAL ROLLERS, SELF-CONTAINED, OUTER AND INNER RACEWAYS CONCAVE, NON-SEPARABLE
  • Material: COPPER ALLOY RETAINER
  • Material: STEEL OUTER RING
  • Nondefinitive Spec/std Data: 6 CLASS AND 264 TYPE AND 00 GRADE
  • Bore Shape: STRAIGHT
  • Standard Tolerance Designation: RBEC NO.1
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Roller construction
General Description

The Bearing,roller,self-Aligning, cataloged under National Stock Number 3110-00-871-7838, 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 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-871-7838
Primary Part Number452320M2W502
Item NameBearing,roller,self-Aligning
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSkf Usa Inc.
StatusACTIVE
MaterialSTEEL ROLLER
Style DesignatorDOUBLE ROW, SPHERICAL ROLLERS, SELF-CONTAINED, OUTER AND INNER RACEWAYS CONCAVE, NON-SEPARABLE
MaterialCOPPER ALLOY RETAINER
MaterialSTEEL OUTER RING
Nondefinitive Spec/std Data6 CLASS AND 264 TYPE AND 00 GRADE
Bore ShapeSTRAIGHT
Standard Tolerance DesignationRBEC NO.1
Bore Diameter100.0 MILLIMETERS NOMINAL MM
Retainer Fabrication MethodMACHINED
Surface FinishGROUND
Internal Clearance0.0053 INCHES MINIMUM RADIAL AND 0.0071 INCHES MAXIMUM RADIAL IN
Departure From Cited DesignatorAS MODIFIED BY INTERNAL CLEARANCE
MaterialSTEEL INNER RING
Overall Outside Diameter215.00 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5930-00-204-7568ST5M1300-001 INTERCHANGEABLE
Switch,toggle
The Boeing Company Div Defense
3120-00-661-6191TT1001 INTERCHANGEABLE
Bearing,washer,thrust
Beemer Precision Inc
5950-01-122-6549T10001 INTERCHANGEABLE
Transformer,power
Safran Trusted 4d Inc.
Cross-Reference Index
Part NumberManufacturer
00028290 Tampo Industries Inc (USA)
30J31 Minnpar, Llc Dba Minnpar (USA)
22320YMW33C4 Timken Co Div the Timken Company (USA)
30J31 Astec Industries Inc Div Astec Ind. (USA)
30J31 Barber-Greene Co (USA)
452320M2W33 Skf Usa Inc. (USA)
452320M Skf Usa Inc. (USA)
T1-0001 Tampo Industries Inc (USA)
100SD23F4 Timken Aerospace, Inc Dba Torrington Product (USA)
452320M2W502 PRIMARY Skf Usa Inc. (USA)
Related Parts
5930-00-204-7568INTERCHANGEABLE
SWITCH,TOGGLE
ST5M1300-001
3120-00-661-6191INTERCHANGEABLE
BEARING,WASHER,THRUST
TT1001
5950-01-122-6549INTERCHANGEABLE
TRANSFORMER,POWER
T10001

Frequently Asked Questions

What is NSN 3110-00-871-7838?

NSN 3110-00-871-7838 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 3110-00-871-7838?

NSN 3110-00-871-7838 has 10 cross-referenced part numbers: 00028290 (Tampo Industries Inc), 30J31 (Minnpar, Llc Dba Minnpar), 22320YMW33C4 (Timken Co Div the Timken Company), 30J31 (Astec Industries Inc Div Astec Ind.), 30J31 (Barber-Greene Co) and 5 more.

What NSN replaces 3110-00-871-7838?

There are 3 known substitutes for 3110-00-871-7838: 5930-00-204-7568, 3120-00-661-6191, 5950-01-122-6549. Verify interchangeability with system specifications before substitution.

What are the specifications of 452320M2W502?

Key specifications for 452320M2W502: Material: STEEL ROLLER; Style Designator: DOUBLE ROW, SPHERICAL ROLLERS, SELF-CONTAINED, OUTER AND INNER RACEWAYS CONCAVE, NON-SEPARABLE; Material: COPPER ALLOY RETAINER; Material: STEEL OUTER RING. 15 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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