Model: ER2

Annular Ball Bearing

Special Features:

Oil hole and groove in outer ring

Properties:

Bore Diameter
Between 1.2500 inches and 1.2505 inches
Overall Outside Diameter
Between 2.8340 inches and 2.8346 inches
Lubrication Material
Grease
Outer Ring Width
0.9375 inches
Inner Ring Width
Between 1.6830 inches and 1.6880 inches
Surface Finish
Ground
Seal Quantity
2
Bearing Seal Type
Labyrinth
Load Direction
Radial
Bore Shape
Straight
Internal Fit-up Designation
Standard
Features Provided
Snap ring-groove mounting and mounting groove
Lubrication Material
Grease
Lubrication Material Specification
Armva 781, fscm 77988 mfr ref single material response
Material
Steel ball
Material
Wool seal
Material
Steel inner ring
Material
Steel outer ring
Material
Steel retainer
Style Designator
Single row ball, not self-aligning, inner ring extends both sides, with setscrew in inner ring, grease groove and snap ring on outer ring
NSN
3110-00-271-0208
Part Number
ER2
Description
Bearing,ball,annular
CAGE
57448

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 ER2 NSN 3110-00-271-0208

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:
A
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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