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Annular Ball Bearing

Model / MPN: 71821-3 | NSN: 3110-01-055-8838
ITAR Registered seal

A cylindrical device in which the inner or outer ring turns upon a single or double row of hardened balls which roll easily between the two rings, thus minimizing friction. For items with faces specially ground for duplex mounting see bearing, ball, duplex. Excludes bearing, ball, airframe.

Product Details
NATO Stock Number
3110-01-055-8838
Sold in multiples of
1 EA
DEMIL
NO
Overall Width
0.4520 inches
Bore Diameter
4.1339 inches
Flange Outside Diameter
5.8660 inches
Flange Width
0.1180 inches
Outer Ring Outside Diameter
5.1181 inches
Surface Finish
Ground
Retainer Fabrication Method
Machined
Load Direction
Radial
Bore Shape
Straight
Internal Clearance
0.0028 inches radial and 0.0038 inches radial
Standard Tolerance Designation
Abec no.3
Material
Copper alloy retainer
Material
Steel comp 301 ball
Material
Steel comp 301 inner ring
Material
Steel comp 301 outer ring
Style Designator
Counterbored outer ring, non-separable
71821 Series Parts
Solicitations
Solicitation Description Qty UOM Close Date
SPE4A419T6881 Bearing, Ball, Annula 8 EA 05/17/2019

Pricing and Availability

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71821-3 Cross Reference
  • 214-040-103-3
  • 214-040-103-3
  • MF9221WI-2-102
  • MF9221WI2-102A2283