Model: GB520FB4A

Self-aligning Plain Bearing

Properties:

Bore Diameter
Between 0.2495 inches and 0.2500 inches
Outer Member Outside Diameter
Between 0.7495 inches and 0.7500 inches
Outer Member Width
Between 0.2140 inches and 0.2240 inches
Inner Member Width
Between 0.2760 inches and 0.2810 inches
Static Radial Load Rating
5700 pounds
Hardness Rating
28.0 rockwell c and 36.0 rockwell c outer race member
Hardness Rating
56.0 rockwell c inner member
Lubrication Feature
Self-lubricating liner race liner
Material
Plastic polytetrafluoroethylene race liner
Material
Steel comp 440c inner member
Material
Steel comp 630 outer race member
Material Specification
Ams 5630 assn standard single material response inner member
Material Specification
Ams 5643 assn standard single material response outer race member
Material Specification
Unilon, fscm 73134 mfr ref single material response race liner
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
NSN
3120-01-209-1087
Part Number
GB520FB4A
Description
Bearing,plain,self-aligning
CAGE
15860

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 GB520FB4A NSN 3120-01-209-1087

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:
--
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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