Model: 4308WK47/281

Annular Ball Bearing

Special Features:

One outer ring; two inner rings; 7 to 8 drops of specified lubricant from a no. 27 needle; oil impregnated retainer; torque tested

Properties:

Overall Width
Between 0.3740 inches and 0.3750 inches
Bore Diameter
Between 0.8748 inches and 0.8750 inches
Overall Outside Diameter
Between 1.3123 inches and 1.3125 inches
Lubrication Material
Oil
Surface Finish
Ground
Retainer Fabrication Method
Machined
Shield Quantity
2
Load Direction
Angular
Bore Shape
Straight
Internal Fit-up Contact Angular Direction
Outward convergent
Internal Clearance
0.0004 inches radial and 0.0007 inches radial
Standard Tolerance Designation
Abec no. 5t
Contact Angle
19.0 degrees
Lubrication Material Specification
Mil-l-6085 military specification single material response
Material
Plastic phenolic retainer
Material
Steel comp 302 shield or steel comp 304 shield
Material
Steel comp e52100 ball
Material
Steel comp e52100 inner ring
Material
Steel comp e52100 outer ring
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
Material Specification
Qq-s-766 federal specification all material responses shield
NSN
3110-01-102-0373
Part Number
4308WK47/281
Description
Bearing,ball,annular
CAGE
83086

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 4308WK47/281 NSN 3110-01-102-0373

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

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:
51
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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