PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

30312-90KA1Bearing,roller,tapered

The Timken Corporation · NSN 3110-00-218-1882 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-218-1882 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-218-1882. Primary manufacturer part number: 30312-90KA1.
Features
  • Bearing,roller,tapered — FSC 3110
  • Overall Outside Diameter: 130.0 MILLIMETERS NOMINAL MM
  • Standard Tolerance Designation: INTERNATIONAL STANDARDS ORGANIZATION STANDARD TOLERANCE
  • Cone Corner Radius: 3.5 MILLIMETERS NOMINAL MM
  • Retainer Fabrication Method: PRESSED
  • Cup Width: 26.0 MILLIMETERS NOMINAL MM
  • Standout Width: 7.5 MILLIMETERS NOMINAL MM
  • Lubrication Material: LUBRICANT
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 3110-00-218-1882, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is The Timken Corporation. Government technical data includes 13 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-218-1882
Primary Part Number30312-90KA1
Item NameBearing,roller,tapered
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerThe Timken Corporation
StatusACTIVE
Overall Outside Diameter130.0 MILLIMETERS NOMINAL MM
Standard Tolerance DesignationINTERNATIONAL STANDARDS ORGANIZATION STANDARD TOLERANCE
Cone Corner Radius3.5 MILLIMETERS NOMINAL MM
Retainer Fabrication MethodPRESSED
Cup Width26.0 MILLIMETERS NOMINAL MM
Standout Width7.5 MILLIMETERS NOMINAL MM
Lubrication MaterialLUBRICANT
Cone Width31.0 MILLIMETERS NOMINAL MM
Backface Corner Radius3.5 MILLIMETERS NOMINAL MM
Bore Diameter60.0 MILLIMETERS NOMINAL MM
MaterialSTEEL OVERALL
Style DesignatorSTRAIGHT BORE, NORMAL ANGLE
Nondefinitive Spec/std Data751 TYPE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-155-6416 INTERCHANGEABLE
Bearing,ball,annular
3110-00-156-81497312 INTERCHANGEABLE
Bearing,ball,annular
Federal-Mogul Corp Government Sales Dept
5130-00-566-0650G30-0650 INTERCHANGEABLE
Chisel,power Hammer
Portage Tool Company, the
5930-00-575-952630312 INTERCHANGEABLE
Switch,toggle
Switchcraft Inc.
4720-00-595-1089 INTERCHANGEABLE
Hose,nonmetallic
1650-00-946-8748 INTERCHANGEABLE
Cap,damper
5930-01-263-858030312 INTERCHANGEABLE
Switch,electrical
L & R Manufacturing Company
3230-01-269-189030312 INTERCHANGEABLE
Bit,router
Black and Decker Us Inc
5120-01-335-1282 INTERCHANGEABLE
Wrench,box and Open End,combinat
5365-01-357-577530312 INTERCHANGEABLE
Spacer Set,sleeve
Bourns Inc
Cross-Reference Index
Part NumberManufacturer
30312-90KA1 PRIMARY The Timken Corporation (USA)
FF-B-187 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
30312 The Timken Corporation (USA)
637-30-312-0060 Snap-on Incorporated Dba Snap-on Tools Div Snap-on Industrial, Special Products Division (USA)
9OKA1 The Timken Corporation (USA)
9UKA1 The Timken Corporation (USA)
30312DIN720 Fag Bearings Corporation (USA)
637-30-312-0060 Renold Inc Div Ajax (USA)
Related Parts
3110-00-155-6416INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-156-8149INTERCHANGEABLE
BEARING,BALL,ANNULAR
7312
5130-00-566-0650INTERCHANGEABLE
CHISEL,POWER HAMMER
G30-0650
5930-00-575-9526INTERCHANGEABLE
SWITCH,TOGGLE
30312
4720-00-595-1089INTERCHANGEABLE
HOSE,NONMETALLIC
1650-00-946-8748INTERCHANGEABLE
CAP,DAMPER
5930-01-263-8580INTERCHANGEABLE
SWITCH,ELECTRICAL
30312
3230-01-269-1890INTERCHANGEABLE
BIT,ROUTER
30312
5120-01-335-1282INTERCHANGEABLE
WRENCH,BOX AND OPEN END,COMBINAT
5365-01-357-5775INTERCHANGEABLE
SPACER SET,SLEEVE
30312
5920-01-439-0730INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST
30312
5330-01-499-8548INTERCHANGEABLE
PARTS KIT,SEAL REPLACEMENT,MECHA
8480-7494

Frequently Asked Questions

What is NSN 3110-00-218-1882?

NSN 3110-00-218-1882 is a Bearing,roller,tapered, manufactured by The Timken Corporation, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-218-1882?

NSN 3110-00-218-1882 has 8 cross-referenced part numbers: 30312-90KA1 (The Timken Corporation), FF-B-187 (Federal Specifications Promulgated by General Services Administration Washington DC), 30312 (The Timken Corporation), 637-30-312-0060 (Snap-on Incorporated Dba Snap-on Tools Div Snap-on Industrial, Special Products Division), 9OKA1 (The Timken Corporation) and 3 more.

What NSN replaces 3110-00-218-1882?

There are 12 known substitutes for 3110-00-218-1882: 3110-00-155-6416, 3110-00-156-8149, 5130-00-566-0650 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 30312-90KA1?

Key specifications for 30312-90KA1: Overall Outside Diameter: 130.0 MILLIMETERS NOMINAL MM; Standard Tolerance Designation: INTERNATIONAL STANDARDS ORGANIZATION STANDARD TOLERANCE; Cone Corner Radius: 3.5 MILLIMETERS NOMINAL MM; Retainer Fabrication Method: PRESSED. 14 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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