Model: 552721

Annular Ball Bearing

Properties:

Bore Diameter
Between 0.1248 inches and 0.1250 inches
Flange Outside Diameter
Between 0.2950 inches and 0.2960 inches
Flange Width
Between 0.0220 inches and 0.0230 inches
Outer Ring Width
Between 0.0927 inches and 0.0937 inches
Inner Ring Width
Between 0.1240 inches and 0.1250 inches
Outer Ring Outside Diameter
Between 0.2498 inches and 0.2500 inches
Surface Finish
Ground
Retainer Fabrication Method
Pressed
Load Direction
Radial
Bore Shape
Straight
Internal Clearance
0.0002 inches radial and 0.0008 inches radial
Standard Tolerance Designation
Abec no.7
Material
Steel comp 440c ball
Material
Steel comp 440c inner ring
Material
Steel comp 440c outer ring
Material
Steel comp 410 retainer
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-763 federal specification single material response retainer
Style Designator
Non-loading groove, non-separable
NSN
3110-00-914-3269
Part Number
552721
Description
Bearing,ball,annular
CAGE
73030

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 552721 NSN 3110-00-914-3269

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:
A
ESD:
ESD:
MMAC:
CRITL:
F

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:
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: 8482105028
  • SITC: 74610
  • End Use: Industrial machines, other
  • NAICS: 332991
  • USDA: 1

Freight Class: Angular contact ball bearings, nesoi

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