Model: GB520ES30

Self-aligning Plain Bearing

Properties:

Bore Diameter
Between 1.8745 inches and 1.8750 inches
Outer Member Outside Diameter
Between 2.7807 inches and 2.7812 inches
Outer Member Width
Between 1.0660 inches and 1.0760 inches
Inner Member Width
Between 1.4980 inches and 1.5000 inches
Static Radial Load Rating
184500 pounds
Hardness Rating
36.0 rockwell c inner member and 42.0 rockwell c inner member
Hardness Rating
23.0 rockwell c outer race member and 36.0 rockwell c outer race member
Lubrication Feature
Self-lubricating liner race liner
Material
Plastic polytetrafluoroethylene race liner and plastic polyamide race liner and plastic phenolic race liner
Material
Steel comp 630 inner member
Material
Steel comp 630 outer race member
Surface Treatment
Chromium inner member
Surface Treatment Specification
Qq-c-320, class 2 federal specification single treatment response inner member
Style Designator
With insert and/or liner with staking groove
Specification Data
21512-gb520es manufacturers standard
NSN
3120-01-258-4697
Part Number
GB520ES30
Description
Bearing,plain,self-aligning
CAGE
02758

A detachable assembly in or on which a journal, gudgeon, pivot, or the like moves. It is used to carry a load and to reduce sliding friction. It does not employ rolling elements. The item consists of a bored precision ground ball (or spherical plain bearing) around which an outer ring is fitted. The assembly may be either separable or nonseparable. Excludes bearing, plain, rod end and bearing, plain, spherical.

Part GB520ES30 NSN 3120-01-258-4697

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
13208
FIIG:
A045A0
Concept No.:
App. Key:
B
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:
--
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:
114850
UFC:
58880
LTL:
70.0
LCL:
--
WCC:
742
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 8482300040
  • SITC: 74630
  • End Use: Industrial machines, other
  • NAICS: 332991
  • USDA: 1

Freight Class: Spherical roller bearings, single row

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