PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SSR-2270LLBPRA7P58LY48Bearing,ball,annular

New Hampshire Ball Bearings Inc Div Precision Division · NSN 3110-01-033-4379 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-01-033-4379 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-033-4379. Primary manufacturer part number: SSR-2270LLBPRA7P58LY48.
Features
  • Bearing,ball,annular — FSC 3110
  • Lubrication Material Document and Classification: MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
  • Overall Outside Diameter: 22.0 MILLIMETERS NOMINAL MM
  • Internal Fit-Up Designation: LOOSE
  • Lubrication Material: GREASE
  • Seal Quantity: 2
  • Load Direction: RADIAL
  • Bearing Seal Type: CONTACT
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Fiber Seal construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-01-033-4379, 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 Precision Division. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-01-033-4379
Primary Part NumberSSR-2270LLBPRA7P58LY48
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerNew Hampshire Ball Bearings Inc Div Precision Division
StatusACTIVE
Lubrication Material Document and ClassificationMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
Overall Outside Diameter22.0 MILLIMETERS NOMINAL MM
Internal Fit-Up DesignationLOOSE
Lubrication MaterialGREASE
Seal Quantity2
Load DirectionRADIAL
Bearing Seal TypeCONTACT
Bore ShapeSTRAIGHT
Standard Tolerance DesignationABEC NO.5
Retainer Fabrication MethodPRESSED
Surface FinishGROUND
MaterialFIBER SEAL
MaterialSTEEL COMP 440A INNER RING A
MaterialSTEEL COMP 302 SNAP RING
Material Document and ClassificationAISI ASSN STD SINGLE MATERIAL RESPONSE INNER RING
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES RETAINER
MaterialSTEEL COMP 440A BALL A
Material Document and ClassificationAISI ASSN STD SINGLE MATERIAL RESPONSE BALL
MaterialSTEEL COMP 305 OR STEEL COMP 430 RETAINER
Material Document and ClassificationAISI ASSN STD SINGLE MATERIAL RESPONSE OUTER RING
MaterialSTEEL COMP 440A OUTER RING A
Material Document and ClassificationAISI ASSN STD SINGLE MATERIAL RESPONSE SNAP RING
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Bore Diameter7.0 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
6545-01-529-418580-0013 INTERCHANGEABLE
First Aid Kit,utility
North American Rescue, Llc
4720-01-553-7726050798 INTERCHANGEABLE
Hose,nonmetallic
Denel Vehicle Systems
Cross-Reference Index
Part NumberManufacturer
SSR-2270LLBPRA7P58LO1 New Hampshire Ball Bearings Inc Div Precision Division (USA)
SR37LL4DK58 New Hampshire Ball Bearings Inc Div Hitech Division (USA)
SSR-2270LLBPRA7P58LY48 PRIMARY New Hampshire Ball Bearings Inc Div Precision Division (USA)
S37FF5G-2 PRIMARY Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation (USA)
M81793-AHLLAN23EF51AS1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
050798 L3 Technologies, Inc. Div L3 Keo (USA)
887B050798 L3 Technologies, Inc. Div L3 Keo (USA)
887F050048 ITEM 11 L3 Technologies, Inc. Div L3 Keo (USA)
Related Parts
6545-01-529-4185INTERCHANGEABLE
FIRST AID KIT,UTILITY
80-0013
4720-01-553-7726INTERCHANGEABLE
HOSE,NONMETALLIC
050798

Frequently Asked Questions

What is NSN 3110-01-033-4379?

NSN 3110-01-033-4379 is a Bearing,ball,annular, manufactured by New Hampshire Ball Bearings Inc Div Precision Division, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-01-033-4379?

NSN 3110-01-033-4379 has 8 cross-referenced part numbers: SSR-2270LLBPRA7P58LO1 (New Hampshire Ball Bearings Inc Div Precision Division), SR37LL4DK58 (New Hampshire Ball Bearings Inc Div Hitech Division), SSR-2270LLBPRA7P58LY48 (New Hampshire Ball Bearings Inc Div Precision Division), S37FF5G-2 (Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation), M81793-AHLLAN23EF51AS1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 3 more.

What NSN replaces 3110-01-033-4379?

There are 2 known substitutes for 3110-01-033-4379: 6545-01-529-4185, 4720-01-553-7726. Verify interchangeability with system specifications before substitution.

What are the specifications of SSR-2270LLBPRA7P58LY48?

Key specifications for SSR-2270LLBPRA7P58LY48: Lubrication Material Document and Classification: MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE; Overall Outside Diameter: 22.0 MILLIMETERS NOMINAL MM; Internal Fit-Up Designation: LOOSE; Lubrication Material: GREASE. 25 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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