PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51448Bearing,ball,annular

Tennant Company · NSN 3110-01-118-7455 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-01-118-7455 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-118-7455. Primary manufacturer part number: 51448.
Features
  • Bearing,ball,annular — FSC 3110
  • Bore Shape: STRAIGHT
  • Surface Finish: GROUND
  • Seal Quantity: 2
  • Standard Tolerance Designation: ABEC NO.1
  • Retainer Fabrication Method: MOLDED
  • Alignment Type: SELF-ALIGNING
  • Load Direction: RADIAL
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Face construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-01-118-7455, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Tennant Company. Government technical data includes 21 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-01-118-7455
Primary Part Number51448
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerTennant Company
StatusACTIVE
Bore ShapeSTRAIGHT
Surface FinishGROUND
Seal Quantity2
Standard Tolerance DesignationABEC NO.1
Retainer Fabrication MethodMOLDED
Alignment TypeSELF-ALIGNING
Load DirectionRADIAL
Lubrication MaterialGREASE
Self-Alignment LocationEXTERNAL
Outer Ring Width18.00 MILLIMETERS NOMINAL MM
Internal Fit-Up DesignationSTANDARD
Bearing Seal TypeCONTACT
Bore Diameter1.2500 INCHES NOMINAL IN
MaterialSTEEL FACE
MaterialSTEEL LOCKING COLLAR
Overall Outside Diameter62.00 MILLIMETERS NOMINAL MM
MaterialSTEEL BALL
MaterialRUBBER SYNTHETIC SEAL
Style DesignatorSINGLE ROW BALL, NOT SELF-ALIGNING, INNER RING EXTENDS ONE SIDE, WITH ECCENTRIC LOCKING COLLAR
MaterialPLASTIC POLYAMIDE NYLON RETAINER
MaterialSTEEL OUTER RING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6240-00-898-66011448 INTERCHANGEABLE
Lamp,incandescent
Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
4710-01-325-9128514-48 INTERCHANGEABLE
Tube Assembly,metal
Insinger Machine Co
4330-01-509-094051448 INTERCHANGEABLE
Filter Element,fluid
Wix Corp
Cross-Reference Index
Part NumberManufacturer
51448 Tennant Company (USA)
RA103RRB2 AND COLLAR Timken Co Div the Timken Company (USA)
TA104BSY1Z General Motors Corp Delco Moraine Ndh Div (USA)
RA103RRB2 Timken Co Div the Timken Company (USA)
RA103-BTT-2 Skf Usa Inc. (USA)
RA103RRB2+COL Timken Co Div the Timken Company (USA)
Related Parts
6240-00-898-6601INTERCHANGEABLE
LAMP,INCANDESCENT
1448
4710-01-325-9128INTERCHANGEABLE
TUBE ASSEMBLY,METAL
514-48
4330-01-509-0940INTERCHANGEABLE
FILTER ELEMENT,FLUID
51448

Frequently Asked Questions

What is NSN 3110-01-118-7455?

NSN 3110-01-118-7455 is a Bearing,ball,annular, manufactured by Tennant Company, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-01-118-7455?

NSN 3110-01-118-7455 has 6 cross-referenced part numbers: 51448 (Tennant Company), RA103RRB2 AND COLLAR (Timken Co Div the Timken Company), TA104BSY1Z (General Motors Corp Delco Moraine Ndh Div), RA103RRB2 (Timken Co Div the Timken Company), RA103-BTT-2 (Skf Usa Inc.) and 1 more.

What NSN replaces 3110-01-118-7455?

There are 3 known substitutes for 3110-01-118-7455: 6240-00-898-6601, 4710-01-325-9128, 4330-01-509-0940. Verify interchangeability with system specifications before substitution.

What are the specifications of 51448?

Key specifications for 51448: Bore Shape: STRAIGHT; Surface Finish: GROUND; Seal Quantity: 2; Standard Tolerance Designation: ABEC NO.1. 23 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com