Model: ER-28

Annular Ball Bearing

Special Features:

Oil hole and groove in outer ring

Properties:

Bore Diameter
Between 1.7500 inches and 1.7505 inches
Overall Outside Diameter
Between 3.3459 inches and 3.3465 inches
Lubrication Material
Grease
Outer Ring Width
1.0938 inches
Inner Ring Width
Between 1.9325 inches and 1.9375 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
Dod-g-24508 military specification single material response
Material
Steel ball
Material
Wool seal
Material
Steel inner ring
Material
Steel outer ring
Material
Steel retainer or copper alloy retainer
Material
Steel or copper alloy 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
3110-00-627-1177
Part Number
ER-28
Description
Bearing,ball,annular
CAGE
55880

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 ER-28 NSN 3110-00-627-1177

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
4.3 X 4.3 X 2.9
Paclk Weight:
0.5000lbs
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:
--
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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