PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T3U231NBearing Unit,ball

Rexnord Industries, Llc Div Link-Belt Bearing Operation · NSN 3130-00-374-6622 · FSC 3130 · No Item Name Available
Verified by PartsTable
NSN 3130-00-374-6622 — this item is cataloged by the U.S. Government under National Stock Number 3130-00-374-6622. Primary manufacturer part number: T3U231N.
Features
  • Bearing Unit,ball — FSC 3130
  • Bore Diameter: 1.9375 INCHES NOMINAL IN
  • Housing Width: 4.7500 INCHES NOMINAL IN
  • Lubrication Fitting Angle From Horizontal Centerline: 90.0 DEGREES NOMINAL
  • Internal Fit-Up Designation: STANDARD
  • Housing Height: 5.6250 INCHES NOMINAL IN
  • Alignment Type: SELF-ALIGNING
  • Style Designator: FRAME TYPE
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 3130-00-374-6622, is classified within Federal Supply Class 3130 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Rexnord Industries, Llc Div Link-Belt Bearing Operation. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 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
NSN3130-00-374-6622
Primary Part NumberT3U231N
Item NameBearing Unit,ball
FSC / FSG3130 / 31 — No Item Name Available
ManufacturerRexnord Industries, Llc Div Link-Belt Bearing Operation
StatusACTIVE
Bore Diameter1.9375 INCHES NOMINAL IN
Housing Width4.7500 INCHES NOMINAL IN
Lubrication Fitting Angle From Horizontal Centerline90.0 DEGREES NOMINAL
Internal Fit-Up DesignationSTANDARD
Housing Height5.6250 INCHES NOMINAL IN
Alignment TypeSELF-ALIGNING
Style DesignatorFRAME TYPE
MaterialIRON CAST HOUSING
MaterialSTEEL COMP E52100 BEARING
Material Document and ClassificationSAE ASSN STD SINGLE MATERIAL RESPONSE BEARING
MaterialRUBBER SYNTHETIC SEAL
Seal TypeCONTACT
Lubrication Fitting TypeHYDRAULIC
Load Capability TypeRADIAL AND THRUST
Seal LocationBOTH ENDS
Groove Width0.4062 INCHES NOMINAL IN
Features ProvidedGROUND ROLLING ELEMENT GROOVE
Lubrication MaterialGREASE
Housing Length1.4062 INCHES NOMINAL IN
Height From Bottom of Base to Bore Centerline3.3750 INCHES NOMINAL IN
Collar LocationONE END
Rolling Element Groove Quantity1
Rotating Element Locking MethodSETSCREW LOCKING COLLAR
Shaft End TypeOPEN
Block TypeFIXED
Assembly Overall Length1.9688 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5120-00-142-3492T231 INTERCHANGEABLE
Puller and Pusher,o
The Boeing Company Div Legacy Am&m
5940-00-156-7345 INTERCHANGEABLE
Terminal,lug
4470-00-472-2610 INTERCHANGEABLE
Punch,pilot Ball Removal
Cross-Reference Index
Part NumberManufacturer
T231 Fmc Corp Link-Belt Div (USA)
T3U231H Rexnord Industries, Llc Div Link-Belt Bearing Operation (USA)
T231 Farquhar a B Division of Oliver Corp (USA)
T3U231N PRIMARY Rexnord Industries, Llc Div Link-Belt Bearing Operation (USA)
T231 Conveyor Systems Inc (USA)
Related Parts
5120-00-142-3492INTERCHANGEABLE
PULLER AND PUSHER,O
T231
5940-00-156-7345INTERCHANGEABLE
TERMINAL,LUG
4470-00-472-2610INTERCHANGEABLE
PUNCH,PILOT BALL REMOVAL

Frequently Asked Questions

What is NSN 3130-00-374-6622?

NSN 3130-00-374-6622 is a Bearing Unit,ball, manufactured by Rexnord Industries, Llc Div Link-Belt Bearing Operation, classified under FSC 3130 (No Item Name Available). Status: active.

What are the part numbers for NSN 3130-00-374-6622?

NSN 3130-00-374-6622 has 5 cross-referenced part numbers: T231 (Fmc Corp Link-Belt Div), T3U231H (Rexnord Industries, Llc Div Link-Belt Bearing Operation), T231 (Farquhar a B Division of Oliver Corp), T3U231N (Rexnord Industries, Llc Div Link-Belt Bearing Operation), T231 (Conveyor Systems Inc).

What NSN replaces 3130-00-374-6622?

There are 3 known substitutes for 3130-00-374-6622: 5120-00-142-3492, 5940-00-156-7345, 4470-00-472-2610. Verify interchangeability with system specifications before substitution.

What are the specifications of T3U231N?

Key specifications for T3U231N: Bore Diameter: 1.9375 INCHES NOMINAL IN; Housing Width: 4.7500 INCHES NOMINAL IN; Lubrication Fitting Angle From Horizontal Centerline: 90.0 DEGREES NOMINAL; Internal Fit-Up Designation: STANDARD. 26 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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