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Worldwide distributor of NSN parts and consumables located in the USA.

Duplex Ball Bearing

Model / MPN: 901861-2C | NSN: 3110-01-191-3230
ITAR Registered seal

Two single row annular ball bearings selected dimensionally to be a matched pair or set. The ring faces have been specially ground to specified offsets that will produce predetermined preload when mounted. May include a single row angular contact bearing with faces specially ground for duplex mounting.

Product Details
NATO Stock Number
3110-01-191-3230
Sold in multiples of
1 EA
DEMIL
NO
Overall Width
Between 0.6040 inches and 0.6240 inches
Bore Diameter
Between 3.0622 inches and 3.0625 inches
Overall Outside Diameter
Between 3.8746 inches and 3.8750 inches
Lubrication Material
Oil
Surface Finish
Ground
Retainer Fabrication Method
Pressed
Shield Quantity
2
Load Direction
Angular
Standard Tolerance Designation
Abec no. 5t
Bearing Preload Rating
Between 90.0 pounds and 110.0 pounds
Contact Angle
Between 15.0 degrees and 25.0 degrees
Lubrication Material Specification
Mil-l-6085 military specification single material response
Material
Cotton retainer and plastic phenolic retainer
Material
Steel comp 440c ball
Material
Steel comp 440c inner ring
Material
Steel comp 440c outer ring
Material
Stainless steel shield
Material Specification
Mil-p-79, type fbe military specification single material response retainer
Style Designator
92b counterbored outer rings, non-separable, back to back mounting
Specification Data
82577-901861 manufacturers standard
901861 Series Parts
Solicitations
Solicitation Description Qty UOM Close Date
SPE4A615Q1831 Bearing, Ball, Duplex 90 EA 03/03/2015
SPE4A619Q2236 Bearing, Ball, Duplex 144 EA 09/27/2019
SPE4A621Q1294 Bearing, Ball, Duplex 12 EA 05/03/2021

Pricing and Availability

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901861-2C Cross Reference
  • T543
  • 13527201
  • 901861-2C
  • 901861-2C
  • 901861-2C
  • 10107551
  • 3TKRD49-62-A66