PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

N18937PC527Bearing,ball,annular

Timken Gears & Services Inc. Dba Philadelphia Gear Div Western Regional Service Center · NSN 3110-00-156-8120 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-156-8120 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-156-8120. Primary manufacturer part number: N18937PC527.
Features
  • Bearing,ball,annular — FSC 3110
  • Load Direction: ANGULAR
  • Material: STEEL OUTER RING
  • Material: STEEL INNER RING
  • Style Designator: DOUBLE ROW BALL, INTERNAL SELF-ALIGNING, TAPERED BORE WITH STRAIGHT BORE ADAPTER, LOCKNUT AND LOCK WASHER
  • Material: STEEL BALL
  • Internal Fit-Up Designation: STANDARD
  • Bore Diameter: 1.9375 INCHES NOMINAL IN
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Outer Ring construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-156-8120, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Timken Gears & Services Inc. Dba Philadelphia Gear Div Western Regional Service Center. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 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
NSN3110-00-156-8120
Primary Part NumberN18937PC527
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerTimken Gears & Services Inc. Dba Philadelphia Gear Div Western Regional Service Center
StatusACTIVE
Load DirectionANGULAR
MaterialSTEEL OUTER RING
MaterialSTEEL INNER RING
Style DesignatorDOUBLE ROW BALL, INTERNAL SELF-ALIGNING, TAPERED BORE WITH STRAIGHT BORE ADAPTER, LOCKNUT AND LOCK WASHER
MaterialSTEEL BALL
Internal Fit-Up DesignationSTANDARD
Bore Diameter1.9375 INCHES NOMINAL IN
Bore ShapeSTRAIGHT
Surface FinishGROUND
Overall Outside Diameter100.00 MILLIMETERS NOMINAL MM
Standard Tolerance DesignationABEC NO.1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3030-00-264-3046403T INTERCHANGEABLE
Belt,v
Gates Corporation
2520-00-770-26312-2-329 INTERCHANGEABLE
Yoke,universal Joint,vehicular
Dana Corp Spicer Transmission Div
4620-01-591-01631511A INTERCHANGEABLE
Vessel Sub Assy
Separation & Recovery Systems Inc
Cross-Reference Index
Part NumberManufacturer
1511A1 15-16 Skf Usa Inc. (USA)
N7810PC527 Timken Gears & Services Inc. Dba Philadelphia Gear Div Western Regional Service Center (USA)
N9833PC527 Timken Gears & Services Inc. Dba Philadelphia Gear Div Western Regional Service Center (USA)
N18945ALTCPC527 Timken Gears & Services Inc. Dba Philadelphia Gear Div Western Regional Service Center (USA)
N9893PC527 Timken Gears & Services Inc. Dba Philadelphia Gear Div Western Regional Service Center (USA)
1511A Timken Gears & Services Inc. Dba Philadelphia Gear Div Western Regional Service Center (USA)
N7836PC527 Timken Gears & Services Inc. Dba Philadelphia Gear Div Western Regional Service Center (USA)
1511XY Schatz Bearing Corporation Dba Schatz Bearing Corp (USA)
N18937PC527 PRIMARY Timken Gears & Services Inc. Dba Philadelphia Gear Div Western Regional Service Center (USA)
N7728PC527 Timken Gears & Services Inc. Dba Philadelphia Gear Div Western Regional Service Center (USA)
1511A115-16 PRIMARY Skf Usa Inc. (USA)
N9648PC527 Timken Gears & Services Inc. Dba Philadelphia Gear Div Western Regional Service Center (USA)
V430 PRIMARY American Sawmill Machinery Co (USA)
N18946ALTBPC527 Timken Gears & Services Inc. Dba Philadelphia Gear Div Western Regional Service Center (USA)
Related Parts
3030-00-264-3046INTERCHANGEABLE
BELT,V
403T
2520-00-770-2631INTERCHANGEABLE
YOKE,UNIVERSAL JOINT,VEHICULAR
2-2-329
4620-01-591-0163INTERCHANGEABLE
VESSEL SUB ASSY
1511A

Frequently Asked Questions

What is NSN 3110-00-156-8120?

NSN 3110-00-156-8120 is a Bearing,ball,annular, manufactured by Timken Gears & Services Inc. Dba Philadelphia Gear Div Western Regional Service Center, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-156-8120?

NSN 3110-00-156-8120 has 14 cross-referenced part numbers: 1511A1 15-16 (Skf Usa Inc.), N7810PC527 (Timken Gears & Services Inc. Dba Philadelphia Gear Div Western Regional Service Center), N9833PC527 (Timken Gears & Services Inc. Dba Philadelphia Gear Div Western Regional Service Center), N18945ALTCPC527 (Timken Gears & Services Inc. Dba Philadelphia Gear Div Western Regional Service Center), N9893PC527 (Timken Gears & Services Inc. Dba Philadelphia Gear Div Western Regional Service Center) and 9 more.

What NSN replaces 3110-00-156-8120?

There are 3 known substitutes for 3110-00-156-8120: 3030-00-264-3046, 2520-00-770-2631, 4620-01-591-0163. Verify interchangeability with system specifications before substitution.

What are the specifications of N18937PC527?

Key specifications for N18937PC527: Load Direction: ANGULAR; Material: STEEL OUTER RING; Material: STEEL INNER RING; Style Designator: DOUBLE ROW BALL, INTERNAL SELF-ALIGNING, TAPERED BORE WITH STRAIGHT BORE ADAPTER, LOCKNUT AND LOCK WASHER. 12 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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