Model: A2903

Annular Ball Bearing

Special Features:

Banded od, face of outer ring forms lip which extends down beyond face of inner ring

Properties:

Overall Height
Between 0.6720 inches and 0.6870 inches
Bore Diameter
Between 1.8744 inches and 1.8750 inches
Overall Outside Diameter
3.1350 inches
Lubrication Material
Grease
Outer Ring Width
0.5660 inches
Inner Ring Width
0.4840 inches
Surface Finish
Ground
Load Direction
Angular
Bore Shape
Straight
Contact Angle
15.0 degrees
Lubrication Material
Grease
Lubrication Material Specification
Mil-g-23827 military specification single material response
Material
Steel ball
Material
Steel inner ring
Material
Steel outer ring
Style Designator
Clutch release
NSN
3110-00-157-2007
Part Number
A2903
Description
Bearing,ball,annular
CAGE
00658

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 A2903 NSN 3110-00-157-2007

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

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:
ZZ
LVL_A:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
114820
UFC:
58860
LTL:
77.5
LCL:
--
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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