PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3977Cone and Rollers,tapered Roller

The Timken Corporation · NSN 3110-00-101-0857 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-101-0857 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-101-0857. Primary manufacturer part number: 3977.
Features
  • Cone and Rollers,tapered Roller — FSC 3110
  • Standard Tolerance Designation: AFBMA CLASS 2
  • Material: STEEL OVERALL
  • Cone Corner Radius: 0.1406 INCHES NOMINAL IN
  • Bore Diameter: 2.3622 INCHES NOMINAL IN
  • Cone Width: 1.1830 INCHES NOMINAL IN
  • Style Designator: NORMAL ANGLE
  • 5 verified cross-references
Applications
  • Applications requiring Steel Overall construction
General Description

The Cone and Rollers,tapered Roller, cataloged under National Stock Number 3110-00-101-0857, 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 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-101-0857
Primary Part Number3977
Item NameCone and Rollers,tapered Roller
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerThe Timken Corporation
StatusACTIVE
Standard Tolerance DesignationAFBMA CLASS 2
MaterialSTEEL OVERALL
Cone Corner Radius0.1406 INCHES NOMINAL IN
Bore Diameter2.3622 INCHES NOMINAL IN
Cone Width1.1830 INCHES NOMINAL IN
Style DesignatorNORMAL ANGLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
6210-00-243-00573850RED INTERCHANGEABLE
Lens,light
Bryant Electric
5950-00-647-3615292MS271G1 INTERCHANGEABLE
Transformer,audio Frequency
Raytheon Company Div Corp
2915-00-703-7091 INTERCHANGEABLE
Disk Rear Plate
5950-00-802-33421047389 INTERCHANGEABLE
Reactor
L3harris Technologies, Inc.
3020-01-146-011954096 INTERCHANGEABLE
Sprocket Wheel
Ingersoll-Rand Co Material Handling Div
3020-01-146-591350397 INTERCHANGEABLE
Chain,roller
Ingersoll-Rand Co Material Handling Div
3950-01-147-1261 INTERCHANGEABLE
Winch,drum,power Operated
6520-01-248-54337000053348 INTERCHANGEABLE
Crown,dental,temporary
Solventum Us Llc
2530-01-465-51682S5025 INTERCHANGEABLE
Brake,expander Tube
Caterpillar Inc Div Caterpillar Defense
6515-01-553-21448700-0618-01 INTERCHANGEABLE
Battery Charger,blood Warmer
Zoll Medical Corporation Dba Zoll
Cross-Reference Index
Part NumberManufacturer
K3977 Skf France (FRA)
3977 PRIMARY The Timken Corporation (USA)
875453C91 Komatsu American Intl Co (USA)
3977 The Timken Company (FRA)
390673 Reliance Electric Company Dba Reliance & Dodge Brands (USA)
Related Parts
6210-00-243-0057INTERCHANGEABLE
LENS,LIGHT
3850RED
5950-00-647-3615INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
292MS271G1
2915-00-703-7091INTERCHANGEABLE
DISK REAR PLATE
5950-00-802-3342INTERCHANGEABLE
REACTOR
1047389
3020-01-146-0119INTERCHANGEABLE
SPROCKET WHEEL
54096
3020-01-146-5913INTERCHANGEABLE
CHAIN,ROLLER
50397
3950-01-147-1261INTERCHANGEABLE
WINCH,DRUM,POWER OPERATED
6520-01-248-5433INTERCHANGEABLE
CROWN,DENTAL,TEMPORARY
7000053348
2530-01-465-5168INTERCHANGEABLE
BRAKE,EXPANDER TUBE
2S5025
6515-01-553-2144INTERCHANGEABLE
BATTERY CHARGER,BLOOD WARMER
8700-0618-01

Frequently Asked Questions

What is NSN 3110-00-101-0857?

NSN 3110-00-101-0857 is a Cone and Rollers,tapered Roller, manufactured by The Timken Corporation, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-101-0857?

NSN 3110-00-101-0857 has 5 cross-referenced part numbers: K3977 (Skf France), 3977 (The Timken Corporation), 875453C91 (Komatsu American Intl Co), 3977 (The Timken Company), 390673 (Reliance Electric Company Dba Reliance & Dodge Brands).

What NSN replaces 3110-00-101-0857?

There are 10 known substitutes for 3110-00-101-0857: 6210-00-243-0057, 5950-00-647-3615, 2915-00-703-7091 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3977?

Key specifications for 3977: Standard Tolerance Designation: AFBMA CLASS 2; Material: STEEL OVERALL; Cone Corner Radius: 0.1406 INCHES NOMINAL IN; Bore Diameter: 2.3622 INCHES NOMINAL IN. 6 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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