Model: PB21403-21

Annular Ball Bearing

Properties:

Overall Width
Between 0.1552 inches and 0.1562 inches
Bore Diameter
Between 0.1248 inches and 0.1250 inches
Overall Outside Diameter
Between 0.3748 inches and 0.3750 inches
Lubrication Material
Oil
Surface Finish
Ground
Load Direction
Radial
Bore Shape
Straight
Internal Clearance
0.0003 inches radial and 0.0005 inches radial
Standard Tolerance Designation
Abec no.5
Lubrication Material
Oil
Lubrication Material Specification
Mil-l-6085 military specification single material response
Material
Steel ball
Material
Steel inner ring
Material
Steel outer ring
Style Designator
Non-loading groove, non-separable
NSN
3110-00-159-9159
Part Number
PB21403-21
Description
Bearing,ball,annular
CAGE
55972

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 PB21403-21 NSN 3110-00-159-9159

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:
U
ESD:
ESD:
MMAC:
CRITL:
X

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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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