Model: B831C

Annular Ball Bearing

Properties:

Bore Diameter
30.00 millimeters
Overall Outside Diameter
72.00 millimeters
Lubrication Material
Grease
Outer Ring Width
0.7480 inches
Inner Ring Width
0.9060 inches
Surface Finish
Ground
Retainer Fabrication Method
Pressed
Seal Quantity
1
Shield Quantity
1
Bearing Seal Type
Contact
Load Direction
Radial
Bore Shape
Straight
Internal Fit-up Designation
Loose
Standard Tolerance Designation
Abec no.1
Lubrication Material
Grease
Lubrication Material Specification
Mil-g-23827 military specification single material response
Material
Rubber synthetic seal or wool seal
Material
Steel ball
Material
Steel inner ring
Material
Steel outer ring
Material
Steel retainer
Material
Steel shield
Material
Rubber synthetic or wool seal
Style Designator
26a non-loading groove, non-separable
Style Designator
Non-loading groove, non-separable
NSN
3110-00-691-1600
Part Number
B831C
Description
Bearing,ball,annular
CAGE
83299

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 B831C NSN 3110-00-691-1600

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:
U
ESD:
ESD:
MMAC:
CRITL:
X

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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