Model: BC556-31-100

Annular Ball Bearing

Properties:

Overall Width
Between 0.5462 inches and 0.5512 inches
Bore Diameter
Between 1.3775 inches and 1.3785 inches
Overall Outside Diameter
Between 2.4404 inches and 2.4409 inches
Lubrication Material
Grease
Surface Finish
Ground
Retainer Fabrication Method
Pressed
Seal Quantity
1
Load Direction
Radial
Bore Shape
Straight
Internal Fit-up Designation
Loose
Internal Clearance
0.0005 inches radial and 0.0008 inches radial
Standard Tolerance Designation
Abec no.1
Lubrication Material Specification
Mil-g-23827 military specification single material response
Material
Steel comp e52100
Material Specification
Sae assn standard single material response
Style Designator
Non-loading groove, non-separable
NSN
3110-01-052-3730
Part Number
BC556-31-100
Description
Bearing,ball,annular
CAGE
95270

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 BC556-31-100 NSN 3110-01-052-3730

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:
77.5
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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