PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

540ZSD603DB5KFA5P511LY48KBearing,ball,duplex

New Hampshire Ball Bearings Inc Div Hitech Division · NSN 3110-01-208-6822 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-01-208-6822 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-208-6822. Primary manufacturer part number: 540ZSD603DB5KFA5P511LY48K.
Features
  • Bearing,ball,duplex — FSC 3110
  • Material: STEEL COMP 440C OUTER RING
  • Load Direction: RADIAL
  • Material: GREASE LUBRICATION
  • Style Designator: NON-LOADING GROOVE, NON-SEPARABLE, BACK TO BACK MOUNTING
  • Overall Outside Diameter: 1.3125 INCHES NOMINAL IN
  • Shield Quantity: 2
  • Bore Diameter: 0.8750 INCHES NOMINAL IN
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp 440c Outer Ring construction
General Description

The Bearing,ball,duplex, cataloged under National Stock Number 3110-01-208-6822, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is New Hampshire Ball Bearings Inc Div Hitech Division. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 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
NSN3110-01-208-6822
Primary Part Number540ZSD603DB5KFA5P511LY48K
Item NameBearing,ball,duplex
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerNew Hampshire Ball Bearings Inc Div Hitech Division
StatusACTIVE
MaterialSTEEL COMP 440C OUTER RING
Load DirectionRADIAL
MaterialGREASE LUBRICATION
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE, BACK TO BACK MOUNTING
Overall Outside Diameter1.3125 INCHES NOMINAL IN
Shield Quantity2
Bore Diameter0.8750 INCHES NOMINAL IN
MaterialSTEEL COMP 440C BALL
MaterialSTEEL COMP 440C INNER RING
Surface FinishGROUND
MaterialPLASTIC PHENOLIC RETAINER
Standard Tolerance DesignationABEC NO. 5T
Bearing Preload Rating4.0 POUNDS MINIMUM AND 6.0 POUNDS MAXIMUM LBS
Retainer Fabrication MethodMACHINED
MaterialRUBBER SYNTHETIC SHIELD
Lubrication Material Document and ClassificationMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5315-01-019-328946641PC39 INTERCHANGEABLE
Pin,straight,headed
Puget Sound Commerce Center, Inc.
5962-01-042-4802 INTERCHANGEABLE
Microcircuit,digital
5930-01-424-0561P853 INTERCHANGEABLE
Push Button
Safran Power Usa, Llc
6910-01-705-309493-0036 INTERCHANGEABLE
Manikin,trauma and Resuscitation
North American Rescue, Llc
Cross-Reference Index
Part NumberManufacturer
930036 Lockheed Martin Corp Electronics and Missiles Div (USA)
SSR1-540ZSD603DB New Hampshire Ball Bearings Inc Div Hitech Division (USA)
540ZSD603DB5KFA5P511LY48K PRIMARY New Hampshire Ball Bearings Inc Div Hitech Division (USA)
3TKRD14-21-UDB4/6LY-231 Mpb Corp Div Timken Super Precision (USA)
P853 Mpb Corp Div Timken Super Precision (USA)
3TKRD14-21-UDB4/ Mpb Corporation Dba Mpb Corp (USA)
Related Parts
5315-01-019-3289INTERCHANGEABLE
PIN,STRAIGHT,HEADED
46641PC39
5962-01-042-4802INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5930-01-424-0561INTERCHANGEABLE
PUSH BUTTON
P853
6910-01-705-3094INTERCHANGEABLE
MANIKIN,TRAUMA AND RESUSCITATION
93-0036

Frequently Asked Questions

What is NSN 3110-01-208-6822?

NSN 3110-01-208-6822 is a Bearing,ball,duplex, manufactured by New Hampshire Ball Bearings Inc Div Hitech Division, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-01-208-6822?

NSN 3110-01-208-6822 has 6 cross-referenced part numbers: 930036 (Lockheed Martin Corp Electronics and Missiles Div), SSR1-540ZSD603DB (New Hampshire Ball Bearings Inc Div Hitech Division), 540ZSD603DB5KFA5P511LY48K (New Hampshire Ball Bearings Inc Div Hitech Division), 3TKRD14-21-UDB4/6LY-231 (Mpb Corp Div Timken Super Precision), P853 (Mpb Corp Div Timken Super Precision) and 1 more.

What NSN replaces 3110-01-208-6822?

There are 4 known substitutes for 3110-01-208-6822: 5315-01-019-3289, 5962-01-042-4802, 5930-01-424-0561 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 540ZSD603DB5KFA5P511LY48K?

Key specifications for 540ZSD603DB5KFA5P511LY48K: Material: STEEL COMP 440C OUTER RING; Load Direction: RADIAL; Material: GREASE LUBRICATION; Style Designator: NON-LOADING GROOVE, NON-SEPARABLE, BACK TO BACK MOUNTING. 17 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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