PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6651Bearing,roller,tapered

Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor · NSN 3110-00-885-9872 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-885-9872 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-885-9872. Primary manufacturer part number: 6651.
Features
  • Bearing,roller,tapered — FSC 3110
  • Style Designator: STRAIGHT BORE, NORMAL ANGLE
  • Material: STEEL OVERALL
  • Cone Corner Radius: 0.2180 INCHES NOMINAL IN
  • Bore Diameter: 2.1250 INCHES NOMINAL IN
  • Cup Width: 1.1875 INCHES NOMINAL IN
  • Standout Width: 0.3125 INCHES NOMINAL IN
  • Cone Width: 1.4550 INCHES NOMINAL IN
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 3110-00-885-9872, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, 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
NSN3110-00-885-9872
Primary Part Number6651
Item NameBearing,roller,tapered
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerQuincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
StatusACTIVE
Style DesignatorSTRAIGHT BORE, NORMAL ANGLE
MaterialSTEEL OVERALL
Cone Corner Radius0.2180 INCHES NOMINAL IN
Bore Diameter2.1250 INCHES NOMINAL IN
Cup Width1.1875 INCHES NOMINAL IN
Standout Width0.3125 INCHES NOMINAL IN
Cone Width1.4550 INCHES NOMINAL IN
Overall Outside Diameter4.3750 INCHES NOMINAL IN
Backface Corner Radius0.1250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6110-00-079-99264357 INTERCHANGEABLE
Brake,electric
Eaton Corp Opns & Technical Center
5133-00-084-434841-11048 INTERCHANGEABLE
Drill,twist
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
5970-00-224-5227 INTERCHANGEABLE
Insulator,knob
2610-00-262-8677373-248 INTERCHANGEABLE
Tire,pneumatic,vehicular
Titan Tire Corporation
5210-00-267-27664357 INTERCHANGEABLE
Gage,saw Tooth Set,micrometer
Skil Corp
4720-00-319-1229 INTERCHANGEABLE
Hose Assembly,nonmetallic
5360-00-619-3876 INTERCHANGEABLE
Spring,helical,compression
4820-00-758-7156665-1 INTERCHANGEABLE
Valve,check
Admiral Valve Llc Dba Cpv Manufacturing
5930-00-783-50704628 INTERCHANGEABLE
Switch,lever
Electro Scientific Industries Inc
5930-00-881-9005 INTERCHANGEABLE
Switch,toggle
Cross-Reference Index
Part NumberManufacturer
6651 PRIMARY Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor (USA)
4357 PRIMARY Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor (USA)
4357-6651 PRIMARY Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor (USA)
Related Parts
6110-00-079-9926INTERCHANGEABLE
BRAKE,ELECTRIC
4357
5133-00-084-4348INTERCHANGEABLE
DRILL,TWIST
41-11048
5970-00-224-5227INTERCHANGEABLE
INSULATOR,KNOB
2610-00-262-8677INTERCHANGEABLE
TIRE,PNEUMATIC,VEHICULAR
373-248
5210-00-267-2766INTERCHANGEABLE
GAGE,SAW TOOTH SET,MICROMETER
4357
4720-00-319-1229INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
5360-00-619-3876INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
4820-00-758-7156INTERCHANGEABLE
VALVE,CHECK
665-1
5930-00-783-5070INTERCHANGEABLE
SWITCH,LEVER
4628
5930-00-881-9005INTERCHANGEABLE
SWITCH,TOGGLE
5940-00-937-8218INTERCHANGEABLE
TERMINAL,STUD
12752B-4
6530-01-133-4182INTERCHANGEABLE
DRAPE,SURGICAL
6051

Frequently Asked Questions

What is NSN 3110-00-885-9872?

NSN 3110-00-885-9872 is a Bearing,roller,tapered, manufactured by Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-885-9872?

NSN 3110-00-885-9872 has 3 cross-referenced part numbers: 6651 (Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor), 4357 (Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor), 4357-6651 (Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor).

What NSN replaces 3110-00-885-9872?

There are 12 known substitutes for 3110-00-885-9872: 6110-00-079-9926, 5133-00-084-4348, 5970-00-224-5227 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6651?

Key specifications for 6651: Style Designator: STRAIGHT BORE, NORMAL ANGLE; Material: STEEL OVERALL; Cone Corner Radius: 0.2180 INCHES NOMINAL IN; Bore Diameter: 2.1250 INCHES NOMINAL IN. 10 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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