Model: BK-4F-1DT

Rod End Plain Bearing

Special Features:

Dry film lubricant applied per bac 5814, cagec 81205, to the ball 0.D.; nas 559 keyway in shank; lube grooves and holes are optional for dry film lubricant

Properties:

Thread Class
3a
Thread Direction
Left-hand
Shank Style
Externally threaded
Overall Length
1.9650 inches
Bore Diameter
Between 0.2495 inches and 0.2500 inches
Lubrication Material
Lubricant, dry film
Outer Member Outside Diameter
Between 0.7960 inches and 0.8160 inches
Bore Center To Shank End Distance
Between 1.5520 inches and 1.5720 inches
Outer Member Width
Between 0.3320 inches and 0.3420 inches
Inner Member Width
Between 0.4320 inches and 0.4370 inches
Shank Thread Length
Between 0.9380 inches and 1.0000 inches
Thread Diameter
0.3125 inches
Thready Qty Per Inch (tpi)
24
Material
Steel comp 440c inner member
Material
Steel comp xm-12 rod end body and steel comp 630 rod end body
Material
Steel comp xm-12 race insert and steel comp 630 race insert
Material Specification
Ams 5658 assn standard 1st material response race insert or ams 5659 assn standard 1st material response race insert or ams 5643 assn standard 2nd material response race insert
Material Specification
Ams 5658 assn standard 1st material response rod end body or ams 5659 assn standard 1st material response rod end body or ams 5643 assn standard 2nd material response rod end body
Material Specification
Qq-s-763 federal specification single material response inner member
Surface Treatment
Passivate rod end body
Surface Treatment Specification
Mil-std-171 military standard single treatment response rod end body
Style Designator
Ball type
Thread Series Designator
Unjf
Specification Data
81205-bacb10y manufacturers standard
NSN
3120-01-311-6358
Part Number
BK-4F-1DT
Description
Bearing,plain,rod End
CAGE
56644

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 outer member of the assembly is modified to provide a shank. The inner member may be either a plain spherical bearing or a sleeve bearing. Excludes bearing, plain, spherical and bearing, plain, self-aligning.

Part BK-4F-1DT NSN 3120-01-311-6358

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
13209
FIIG:
A045A0
Concept No.:
App. Key:
A
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:
0.1000lbs
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: 8483308055
  • SITC: 74822
  • End Use: Industrial machines, other
  • NAICS: 336310
  • USDA: 1

Freight Class: Transmission shafts: bearing housings, plain shaft bearings with housing, rod end bearings

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