Model: 3TAR8-12

Duplex Ball Bearing

Properties:

Overall Width
Between 0.3770 inches and 0.3920 inches
Bore Diameter
Between 0.4998 inches and 0.5000 inches
Overall Outside Diameter
Between 0.7498 inches and 0.7500 inches
Lubrication Material
Lubricating oil
Surface Finish
Ground
Shield Quantity
2
Load Direction
Angular
Internal Fit-up Designation
Standard
Standard Tolerance Designation
Abec no. 5t
Bearing Preload Rating
8.0 pounds
Lubrication Material Specification
Mil-l-6085 military specification single material response
Material
Plastic phenolic retainer
Material
Steel comp 440c ball
Material
Steel comp 440c inner ring
Material
Steel comp 440c outer ring
Material
Steel comp 440c shield
Material Specification
66 federal standard single material response shield
Material Specification
66 federal standard single material response ball
Material Specification
66 federal standard single material response inner ring
Material Specification
66 federal standard single material response outer ring
Style Designator
92c counterbored outer rings, non-separable, face to face mounting
NSN
3110-01-081-5506
Part Number
3TAR8-12
Description
Bearing,ball,duplex
CAGE
78118

Two single row annular ball bearings selected dimensionally to be a matched pair or set. The ring faces have been specially ground to specified offsets that will produce predetermined preload when mounted. May include a single row angular contact bearing with faces specially ground for duplex mounting.

Part 3TAR8-12 NSN 3110-01-081-5506

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
30213
FIIG:
A044A0
Concept No.:
App. Key:
E
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:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
SPI No.:
SPI Rev.:
SPC Mkg:
ZZ
LVL_A:
E
LVL_B:
Q

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: 8482105068
  • SITC: 74610
  • End Use: Industrial machines, other
  • NAICS: 332991
  • USDA: 1

Freight Class: Ball bearings, nesoi

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