Model: SK290

Annular Ball Bearing

Special Features:

Setscrew in inner ring, rubber ring type seal and groove in bore, selected classified and tested by assembly mfr at his plant, w/felt enclosed-one seal, synthetic rubber ring-one seal

Properties:

Bore Diameter
Between 2.4375 inches and 2.4381 inches
Overall Outside Diameter
Between 4.3299 inches and 4.3307 inches
Lubrication Material
Grease
Outer Ring Width
0.0620 inches
Inner Ring Width
Between 2.5580 inches and 2.5630 inches
Surface Finish
Ground
Seal Quantity
2
Bearing Seal Type
Labyrinth
Alignment Type
Self-aligning
Load Direction
Radial
Bore Shape
Straight
Internal Fit-up Designation
Standard
Self-alignment Location
External
Lubrication Material
Grease
Lubrication Material Specification
Dod-g-24508 military specification single material response
Material
Steel ball
Material
Steel inner ring
Material
Steel outer ring
Material
Steel retainer or copper alloy retainer
Material
Steel seal
Material
Steel or copper alloy retainer
Style Designator
Single row ball, external self-aligning, inner ring extended both sides, with setscrew in inner ring
NSN
3110-00-627-1199
Part Number
SK290
Description
Bearing,ball,annular
CAGE
63504

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 SK290 NSN 3110-00-627-1199

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

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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