PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SY 1.15/16 TFBearing Unit,ball

Skf Usa Inc. · NSN 3130-00-227-2103 · FSC 3130 · No Item Name Available
Verified by PartsTable
NSN 3130-00-227-2103 — this item is cataloged by the U.S. Government under National Stock Number 3130-00-227-2103. Primary manufacturer part number: SY 1.15/16 TF.
Features
  • Bearing Unit,ball — FSC 3130
  • Style Designator: PILLOW BLOCK, SOLID
  • Mounting Slot Width: 0.6875 INCHES NOMINAL IN
  • Mounting Slot Length: 0.8750 INCHES NOMINAL IN
  • Housing Width: 8.1250 INCHES NOMINAL IN
  • Mounting Hole Type: SLOTTED
  • Seal Type: LABYRINTH
  • Material: IRON CAST HOUSING
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Iron Cast Housing construction
General Description

The Bearing Unit,ball, cataloged under National Stock Number 3130-00-227-2103, is classified within Federal Supply Class 3130 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Skf Usa Inc.. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 16 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3130-00-227-2103
Primary Part NumberSY 1.15/16 TF
Item NameBearing Unit,ball
FSC / FSG3130 / 31 — No Item Name Available
ManufacturerSkf Usa Inc.
StatusCANCELLED
Style DesignatorPILLOW BLOCK, SOLID
Mounting Slot Width0.6875 INCHES NOMINAL IN
Mounting Slot Length0.8750 INCHES NOMINAL IN
Housing Width8.1250 INCHES NOMINAL IN
Mounting Hole TypeSLOTTED
Seal TypeLABYRINTH
MaterialIRON CAST HOUSING
Base Thickness0.7500 INCHES NOMINAL IN
Base Length2.3750 INCHES NOMINAL IN
Bore Diameter1.9375 INCHES NOMINAL IN
Housing Height4.5625 INCHES NOMINAL IN
Block TypeFIXED
Rotating Element Locking MethodDIRECT
Internal Fit-Up DesignationSTANDARD
Alignment TypeSELF-ALIGNING
Rolling Element Groove Quantity1
Height From Bottom of Base to Bore Centerline2.2500 INCHES NOMINAL IN
Lubrication Fitting Angle From Horizontal Centerline90.0 DEGREES NOMINAL
Seal LocationBOTH ENDS
Lubrication Fitting TypeHYDRAULIC
Shaft End TypeOPEN
Features ProvidedGROUND ROLLING ELEMENT GROOVE
Assembly Overall Length2.3750 INCHES NOMINAL IN
Lubrication MaterialGREASE
Load Capability TypeRADIAL
MaterialSTEEL AND WOOL SEAL
Center to Center Distance Between Mounting Holes Along Width6.2500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
3130-00-227-427619A115 INTERCHANGEABLE
Bearing Unit,ball
Reliance Electric Company Dba Reliance & Dodge Brands
3030-00-415-00667495 INTERCHANGEABLE
Belt,v
Gates Corporation
5962-00-427-0482 INTERCHANGEABLE
Microcircuit,digital
2520-00-496-1631 INTERCHANGEABLE
Yoke
5360-01-024-99277495 INTERCHANGEABLE
Spring,helical,compression
Lawler Manufacturing Company, Inc.
5962-01-063-530952335500 INTERCHANGEABLE
Microcircuit,digital
Syntegra / Usa/ Inc Computer Parts and Supplies ARH205
6130-01-584-23937495 INTERCHANGEABLE
Power Supply
L3 Technologies, Inc. Dba Communication Systems-West Div Communication Systems-West
3020-01-624-20577495 INTERCHANGEABLE
Rod,pinion
Teledyne Flir Unmanned Ground Systems, Inc
Cross-Reference Index
Part NumberManufacturer
SY 1.15/16 TF PRIMARY Skf Usa Inc. (USA)
NP31 Stephens-Adamson Inc a Sub of Allis-Chalmers Corp (USA)
7495 London Machinery Inc (CAN)
SY 1-15/16-TM Skf Usa Inc. (USA)
P3U231H Rexnord Industries, Llc Div Link-Belt Bearing Operation (USA)
SC-1.15/16 Reliance Electric Company Dba Reliance & Dodge Brands (USA)
P3U231N Rexnord Industries, Llc Div Link-Belt Bearing Operation (USA)
803BRG1012 Security Engineered Machinery Co., Inc. (USA)
84-01ALT1ITEM15 Hose-Mccann Telephone Co, Inc (USA)
P3U231H PRIMARY Rexnord Industries, Llc Div Aerosspace Bearing Operation (USA)
P3-U231H/17F Rexnord Industries, Llc Div Link-Belt Bearing Operation (USA)
A3105-34 Ludell Mfg Co (USA)
SG31 Skf Usa Inc. (USA)
SY-115-1.938 B0 Skf Usa Inc. (USA)
SY115 Skf Usa Inc. (USA)
10-36-36-15 A a Laundry Machinery Co (USA)
Related Parts
3130-00-227-4276INTERCHANGEABLE
BEARING UNIT,BALL
19A115
3030-00-415-0066INTERCHANGEABLE
BELT,V
7495
5962-00-427-0482INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
2520-00-496-1631INTERCHANGEABLE
YOKE
5360-01-024-9927INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
7495
5962-01-063-5309INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
52335500
6130-01-584-2393INTERCHANGEABLE
POWER SUPPLY
7495
3020-01-624-2057INTERCHANGEABLE
ROD,PINION
7495

Frequently Asked Questions

What is NSN 3130-00-227-2103?

NSN 3130-00-227-2103 is a Bearing Unit,ball, manufactured by Skf Usa Inc., classified under FSC 3130 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3130-00-227-2103?

NSN 3130-00-227-2103 has 16 cross-referenced part numbers: SY 1.15/16 TF (Skf Usa Inc.), NP31 (Stephens-Adamson Inc a Sub of Allis-Chalmers Corp), 7495 (London Machinery Inc), SY 1-15/16-TM (Skf Usa Inc.), P3U231H (Rexnord Industries, Llc Div Link-Belt Bearing Operation) and 11 more.

What NSN replaces 3130-00-227-2103?

There are 8 known substitutes for 3130-00-227-2103: 3130-00-227-4276, 3030-00-415-0066, 5962-00-427-0482 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SY 1.15/16 TF?

Key specifications for SY 1.15/16 TF: Style Designator: PILLOW BLOCK, SOLID; Mounting Slot Width: 0.6875 INCHES NOMINAL IN; Mounting Slot Length: 0.8750 INCHES NOMINAL IN; Housing Width: 8.1250 INCHES NOMINAL IN. 27 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3130-00-227-2103 still in active supply?

NSN 3130-00-227-2103 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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