Model: 12553

Duplex Ball Bearing

Special Features:

Stabilized for operation from m 65 to p 250 degrees f, retainer silver- plated 0.0005 in. To 0.0015 in. Thk per ams 2412, rockwell hardness c scale60 to 64 ball, inner and outer rings, max surface finish inner and outer raceways 8 uin aa, assy relationship marking /v/ on od of bearing elements

Properties:

Overall Width
0.9449 inches
Bore Diameter
0.9844 inches
Overall Outside Diameter
1.8504 inches
Lubrication Material
Oil
Surface Finish
Ground
Retainer Fabrication Method
Machined
Load Direction
Angular
Internal Clearance
0.0014 inches radial and 0.0019 inches radial
Standard Tolerance Designation
Abec no.7
Lubrication Material Specification
Mil-l-23699 military specification single material response
Material
Copper alloy retainer
Material
Steel ball
Material
Steel inner ring
Material
Steel outer ring
Material Specification
Ams 4616 assn standard single material response retainer
Material Specification
Ams 6490 assn standard single material response outer ring
Material Specification
Ams 6490 assn standard single material response ball
Material Specification
Ams 6490 assn standard single material response inner ring
Style Designator
92b counterbored outer rings, non-separable, back to back mounting
Style Designator
Counterbored outer rings, non-separable, back to back mounting
Test Data Document
02731-369a5432 drawing (this is the basic governing drawing, such as a contractor drawing, original equipment manufacturer drawing, etc.; excludes any specification, standard or other document that may be referenced in a basic governing drawing)
NSN
3110-00-151-5068
Part Number
12553
Description
Bearing,ball,duplex
CAGE
06144

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 12553 NSN 3110-00-151-5068

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:
A
ESD:
A
ESD:
A
MMAC:
CRITL:
F

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
5.0 X 5.0 X 3.0
Paclk Weight:
1.2000lbs
Item Weight:
1.0000lbs
Item Dim:
003000300010
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
SPI No.:
SPI Rev.:
SPC Mkg:
00
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:
Equipment for Aircraft

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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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