Model: PB21257-1-20

Inner Bearing Ring

Special Features:

Lubricated w/mil-l-6085

Properties:

Overall Width
Between 0.1949 inches and 0.1969 inches
Bore Diameter
Between 0.1573 inches and 0.1575 inches
Overall Outside Diameter
Between 0.2995 inches and 0.3005 inches
Surface Finish
Ground
Bore Shape
Straight
Standard Tolerance Designation
Abec no.5
Material
Steel comp e52100 inner ring
Style Designator
Inner ring, ball
NSN
3110-00-183-9772
Part Number
PB21257-1-20
Description
Ring,bearing,inner
CAGE
19315

The inner component of a ball or roller bearing which provides a contact surface for the rolling elements of an antifriction bearing.

Part PB21257-1-20 NSN 3110-00-183-9772

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00028
FIIG:
A044A0
Concept No.:
App. Key:
V
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:
BN
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
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: 8482991010
  • SITC: 74699
  • End Use: Industrial machines, other
  • NAICS: 332991
  • USDA: 1

Freight Class: Inner and outer races for ball bearings (including ball bearings with integral shafts)

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