Model: R3DDBL7J

Duplex Ball Bearing
Description:

0.3114 inches overall width, 0.1873 inches bore diameter, 0.4998 inches overall outside diameter, oil lubrication material, ground surface finish.

Properties:

Overall Width
Between 0.3114 inches and 0.3124 inches
Bore Diameter
Between 0.1873 inches and 0.1875 inches
Overall Outside Diameter
Between 0.4998 inches and 0.5000 inches
Lubrication Material
Oil
Calibration Designator
C
Surface Finish
Ground
Retainer Fabrication Method
Pressed
Load Direction
Angular
Internal Fit-up Designation
Extra loose
Internal Clearance
0.0008 inches radial and 0.0010 inches radial
Bearing Preload Rating
2.0 pounds
Lubrication Material Specification
Mil-l-6085 military specification single material response
Material
Steel comp e52100 ball
Material
Steel comp e52100 inner ring
Material
Steel comp e52100 outer ring
Material
Stainless steel separator
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
92b counterbored outer rings, non-separable, back to back mounting
Style Designator
Counterbored outer rings, non-separable, back to back mounting
NSN
3110-00-034-2152
Part Number
R3DDBL7J
Description
Bearing,ball,duplex
CAGE
7X677

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 R3DDBL7J NSN 3110-00-034-2152

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

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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