PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AJ9800-31-7Bearing,ball,annular

Mpb Corp Div Timken Super Precision · NSN 3110-00-850-4811 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-850-4811 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-850-4811. Primary manufacturer part number: AJ9800-31-7.
Features
  • Bearing,ball,annular — FSC 3110
  • Material: STEEL RETAINER
  • Material: STEEL OUTER RING
  • Seal Quantity: 2
  • Retainer Fabrication Method: PRESSED
  • Bearing Seal Type: CONTACT
  • Load Direction: RADIAL
  • Bore Shape: STRAIGHT
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Retainer construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-850-4811, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Mpb Corp Div Timken Super Precision. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-850-4811
Primary Part NumberAJ9800-31-7
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerMpb Corp Div Timken Super Precision
StatusACTIVE
MaterialSTEEL RETAINER
MaterialSTEEL OUTER RING
Seal Quantity2
Retainer Fabrication MethodPRESSED
Bearing Seal TypeCONTACT
Load DirectionRADIAL
Bore ShapeSTRAIGHT
Lubrication Material Document and ClassificationMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
Features ProvidedALIGNING RING
Standard Tolerance DesignationABEC NO.1
Lubrication MaterialGREASE
Internal Fit-Up DesignationSTANDARD
Surface FinishGROUND
MaterialSTEEL BALL
MaterialSTEEL INNER RING
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Bore Diameter0.5000 INCHES NOMINAL IN
MaterialRUBBER SYNTHETIC SEAL
Overall Outside Diameter1.1250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3110-00-782-0417 INTERCHANGEABLE
Bearing,ball,annular
3110-00-903-218212265597-1 INTERCHANGEABLE
Bearing,ball,annular
Rbc Aircraft Products, Inc.
3110-00-922-3534 INTERCHANGEABLE
Bearing,ball,annular
3110-01-103-5801 INTERCHANGEABLE
Bearing,ball,annular
Cross-Reference Index
Part NumberManufacturer
AJ9800-31-7 Breeze-Eastern Llc (USA)
R8ZZ Skf Usa Inc. (USA)
AJ9800-31-7 PRIMARY Mpb Corp Div Timken Super Precision (USA)
AJ9800-31-7 Skf Usa Inc. (USA)
Related Parts
3110-00-782-0417INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-903-2182INTERCHANGEABLE
BEARING,BALL,ANNULAR
12265597-1
3110-00-922-3534INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-01-103-5801INTERCHANGEABLE
BEARING,BALL,ANNULAR

Frequently Asked Questions

What is NSN 3110-00-850-4811?

NSN 3110-00-850-4811 is a Bearing,ball,annular, manufactured by Mpb Corp Div Timken Super Precision, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-850-4811?

NSN 3110-00-850-4811 has 4 cross-referenced part numbers: AJ9800-31-7 (Breeze-Eastern Llc), R8ZZ (Skf Usa Inc.), AJ9800-31-7 (Mpb Corp Div Timken Super Precision), AJ9800-31-7 (Skf Usa Inc.).

What NSN replaces 3110-00-850-4811?

There are 4 known substitutes for 3110-00-850-4811: 3110-00-782-0417, 3110-00-903-2182, 3110-00-922-3534 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AJ9800-31-7?

Key specifications for AJ9800-31-7: Overall Width: 0.3125 INCHES NOMINAL IN; Material: STEEL RETAINER; Material: STEEL OUTER RING; Seal Quantity: 2. 20 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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