Model: MIL-B-81935/4

Rod End Plain Bearing

Special Features:

Keyway in shank; surface finish on ball passivate per mil-s-5002 optional

Properties:

Thread Class
3a
Thread Direction
Right-hand
Shank Style
Externally threaded
Overall Length
2.4400 inches
Bore Diameter
Between 0.3120 inches and 0.3125 inches
Outer Member Outside Diameter
Between 0.9740 inches and 0.9940 inches
Bore Center To Shank End Distance
Between 1.9380 inches and 1.9580 inches
Outer Member Width
Between 0.2860 inches and 0.2960 inches
Inner Member Width
Between 0.3730 inches and 0.3750 inches
Shank Thread Length
Between 1.1560 inches and 1.2180 inches
Static Radial Load Rating
8600 pounds
Thread Diameter
0.312 inches
Thready Qty Per Inch (tpi)
24
Hardness Rating
28.0 rockwell c race insert and 37.0 rockwell c race insert
Hardness Rating
39.0 rockwell c rod end body and 42.0 rockwell c rod end body
Hardness Rating
55.0 rockwell c inner member and 62.0 rockwell c inner member
Material
Plastic polytetrafluoroethylene race liner
Material
Steel comp 440c inner member
Material
Steel comp e4340 rod end body
Material
Steel comp 630 race insert
Material Specification
Ams 5630 assn standard single material response inner member
Material Specification
Ams 5643 military specification single material response race insert
Material Specification
Mil-s-5000 military specification single material response rod end body
Surface Treatment
Cadmium rod end body and chromate rod end body
Surface Treatment Specification
Qq-p-416 type 2, class 2 federal specification single treatment response rod end body
Style Designator
Ball type
Thread Series Designator
Unjf
Specification Data
81349-mil-b-81935/4 government specification
NSN
3120-01-325-9897
Part Number
MIL-B-81935/4
Description
Bearing,plain,rod End
CAGE
81349

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 MIL-B-81935/4 NSN 3120-01-325-9897

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:
--
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: 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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