Model: 553294

Duplex Ball Bearing

Special Features:

Stabilized for operation at -65 degrees f to 250 def f

Properties:

Overall Width
Between 0.3720 inches and 0.3920 inches
Bore Diameter
Between 0.2498 inches and 0.2500 inches
Overall Outside Diameter
Between 0.6248 inches and 0.6250 inches
Surface Finish
Ground
Retainer Fabrication Method
Pressed
Load Direction
Radial
Internal Clearance
0.0002 inches axial
Standard Tolerance Designation
Abec no.7
Bearing Preload Rating
22.0 pounds
Material
Steel ball
Material
Stainless steel retainer
Material
Steel inner ring
Material
Steel outer ring
Material Specification
553294, 73030 mfr ref single material response retainer
Material Specification
Qq-s-763, class 440c federal specification single material response inner ring
Material Specification
Qq-s-763, class 440c federal specification single material response outer ring
Material Specification
Qq-s-763, class 440c federal specification single material response ball
Style Designator
92a non-loading groove, non-separable, tandem mounting
Style Designator
Non-loading groove, non-separable, tandem mounting
NSN
3110-00-764-0906
Part Number
553294
Description
Bearing,ball,duplex
CAGE
21335

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 553294 NSN 3110-00-764-0906

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:
ESD:
MMAC:
OA
CRITL:
F

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
1.6 X 1.6 X 1.6
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:
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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