Model: MIL-B-81793

Annular Ball Bearing

Properties:

Bore Diameter
0.2500 inches
Lubrication Material
Oil
Flange Outside Diameter
0.5470 inches
Flange Width
0.0450 inches
Outer Ring Width
0.1875 inches
Inner Ring Width
0.2187 inches
Outer Ring Outside Diameter
0.5000 inches
Surface Finish
Ground
Shield Quantity
2
Alignment Type
Rigid
Load Direction
Radial
Bore Shape
Straight
Internal Clearance
0.0003 inches radial and 0.0005 inches radial
Standard Tolerance Designation
Abec no.7
Lubrication Material Specification
Mil-l-6085 military specification single material response
Material
Steel comp 440c ball
Material
Steel comp 440c inner ring
Material
Steel comp 440c outer ring
Material
Stainless steel retainer
Material Specification
Qq-s-763 federal specification single material response ball
Material Specification
Qq-s-763 federal specification single material response inner ring
Material Specification
Qq-s-763 federal specification single material response outer ring
Surface Treatment
Passivate
Surface Treatment Specification
Astm a380 assn standard single treatment response
Style Designator
Non-loading groove, non-separable
Specification Data
81349-mil-b-81793 government specification
NSN
3110-01-286-6142
Part Number
MIL-B-81793
Description
Bearing,ball,annular
CAGE
81349

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.

Part MIL-B-81793 NSN 3110-01-286-6142

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00014
FIIG:
A044A0
Concept No.:
App. Key:
C
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
114820
UFC:
58860
LTL:
77.5
LCL:
--
WCC:
742
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 8482105028
  • SITC: 74610
  • End Use: Industrial machines, other
  • NAICS: 332991
  • USDA: 1

Freight Class: Angular contact ball bearings, nesoi

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