PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

30311J2/QBearing,roller,tapered

Skf Usa Inc. · NSN 3110-01-057-9579 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-01-057-9579 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-057-9579. Primary manufacturer part number: 30311J2/Q.
Features
  • Bearing,roller,tapered — FSC 3110
  • Material: STEEL OVERALL
  • Style Designator: STRAIGHT BORE, NORMAL ANGLE
  • Cone Corner Radius: 2.5 MILLIMETERS NOMINAL MM
  • Cup Width: 25.0 MILLIMETERS NOMINAL MM
  • Backface Corner Radius: 2.0 MILLIMETERS NOMINAL MM
  • Overall Outside Diameter: 120.0 MILLIMETERS NOMINAL MM
  • Cone Width: 29.0 MILLIMETERS NOMINAL MM
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Bearing,roller,tapered, cataloged under National Stock Number 3110-01-057-9579, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Skf Usa Inc.. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-01-057-9579
Primary Part Number30311J2/Q
Item NameBearing,roller,tapered
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSkf Usa Inc.
StatusACTIVE
MaterialSTEEL OVERALL
Style DesignatorSTRAIGHT BORE, NORMAL ANGLE
Cone Corner Radius2.5 MILLIMETERS NOMINAL MM
Cup Width25.0 MILLIMETERS NOMINAL MM
Backface Corner Radius2.0 MILLIMETERS NOMINAL MM
Overall Outside Diameter120.0 MILLIMETERS NOMINAL MM
Cone Width29.0 MILLIMETERS NOMINAL MM
Retainer Fabrication MethodPRESSED
Standout Width6.5 MILLIMETERS NOMINAL MM
Bore Diameter55.0 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2530-00-047-445526574 INTERCHANGEABLE
Valve,brake Pneumatic
Blue Bird Body Co
5950-00-070-186180ES26T26CT INTERCHANGEABLE
Transformer,power
Abbott Technologies, Inc
3110-00-156-8137 INTERCHANGEABLE
Bearing,ball,annular
4520-00-240-8311 INTERCHANGEABLE
Heater,space,electric
3110-00-657-2204206K INTERCHANGEABLE
Bearing,ball,annular
Timken Co Div the Timken Company
5940-00-894-922530-211 INTERCHANGEABLE
Splice,conductor
Ideal Industries, Inc.
6320-00-931-485530-311 INTERCHANGEABLE
Two Line Unit Assem
Kidde Technologies, Inc Div Kidde Aerospace and Defense
1650-00-946-8749 INTERCHANGEABLE
Piston,floating
5930-01-202-245430311 INTERCHANGEABLE
Switch,toggle
L & R Manufacturing Company
3230-01-235-747930311 INTERCHANGEABLE
Bit,router
Black and Decker Us Inc
Cross-Reference Index
Part NumberManufacturer
30311-KA1 The Timken Corporation (USA)
30311-92KA1 The Timken Corporation (USA)
30311J2/Q PRIMARY Skf Usa Inc. (USA)
30311 PRIMARY The Timken Corporation (USA)
30311 Skf Usa Inc. (USA)
30311A PRIMARY Fag Bearings Corporation (USA)
30311-9UKA1 The Timken Corporation (USA)
3110PL2042278 Jednolity Indeks Materialowy - Uniform Material Index (POL)
Related Parts
2530-00-047-4455INTERCHANGEABLE
VALVE,BRAKE PNEUMATIC
26574
5950-00-070-1861INTERCHANGEABLE
TRANSFORMER,POWER
80ES26T26CT
3110-00-156-8137INTERCHANGEABLE
BEARING,BALL,ANNULAR
4520-00-240-8311INTERCHANGEABLE
HEATER,SPACE,ELECTRIC
3110-00-657-2204INTERCHANGEABLE
BEARING,BALL,ANNULAR
206K
5940-00-894-9225INTERCHANGEABLE
SPLICE,CONDUCTOR
30-211
6320-00-931-4855INTERCHANGEABLE
TWO LINE UNIT ASSEM
30-311
1650-00-946-8749INTERCHANGEABLE
PISTON,FLOATING
5930-01-202-2454INTERCHANGEABLE
SWITCH,TOGGLE
30311
3230-01-235-7479INTERCHANGEABLE
BIT,ROUTER
30311
5930-01-244-7522INTERCHANGEABLE
SWITCH,CODE INDICATING WHEEL
4730-01-357-1296INTERCHANGEABLE
BUSHING,PIPE
5118-3-4-1 1/4X1

Frequently Asked Questions

What is NSN 3110-01-057-9579?

NSN 3110-01-057-9579 is a Bearing,roller,tapered, manufactured by Skf Usa Inc., classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-01-057-9579?

NSN 3110-01-057-9579 has 8 cross-referenced part numbers: 30311-KA1 (The Timken Corporation), 30311-92KA1 (The Timken Corporation), 30311J2/Q (Skf Usa Inc.), 30311 (The Timken Corporation), 30311 (Skf Usa Inc.) and 3 more.

What NSN replaces 3110-01-057-9579?

There are 12 known substitutes for 3110-01-057-9579: 2530-00-047-4455, 5950-00-070-1861, 3110-00-156-8137 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 30311J2/Q?

Key specifications for 30311J2/Q: Material: STEEL OVERALL; Style Designator: STRAIGHT BORE, NORMAL ANGLE; Cone Corner Radius: 2.5 MILLIMETERS NOMINAL MM; Cup Width: 25.0 MILLIMETERS NOMINAL MM. 11 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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