Model: 1903S303

Annular Ball Bearing

Special Features:

Stabilized for operation from m65deg f to p400 degrees f, b40.0 to b56.0 rockwell hardness retainer, c58.0 to c62.0 rings and ball

Properties:

Overall Width
7.00 millimeters
Bore Diameter
17.00 millimeters
Overall Outside Diameter
30.00 millimeters
Surface Finish
Ground
Retainer Fabrication Method
Machined
Load Direction
Radial
Bore Shape
Straight
Internal Clearance
0.0055 inches axial and 0.0060 inches axial and 0.0003 inches radial and 0.0010 inches radial
Standard Tolerance Designation
Abec no.1
Material
Aluminum alloy retainer and steel retainer and copper alloy retainer
Material
Steel ball
Material
Steel inner ring
Material
Steel outer ring
Material Specification
Ams 4088 assn standard single material response retainer and ams 5040 assn standard single material response retainer and -8905, 91547 mfr ref single material response retainer
Material Specification
Ams 6440 assn standard single material response ball
Material Specification
Ams 6440 assn standard single material response inner ring
Material Specification
Ams 6440 assn standard single material response outer ring
Style Designator
Non-loading groove, non-separable
NSN
3110-00-580-3254
Part Number
1903S303
Description
Bearing,ball,annular
CAGE
38443

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 1903S303 NSN 3110-00-580-3254

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:
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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