Model: DREF4-321

Rod End Plain Bearing

Special Features:

Construction with or without race optional, magnetic or penetrant inspection required as applicable

Properties:

Thread Class
3b
Thread Direction
Right-hand
Shank Style
Internally threaded w/hexagon end and inspection hole
Overall Length
1.7020 inches
Bore Diameter
Between 0.2495 inches and 0.2500 inches
Outer Member Outside Diameter
Between 0.7710 inches and 0.8160 inches
Bore Center To Shank End Distance
Between 1.3020 inches and 1.3220 inches
Outer Member Width
Between 0.2810 inches and 0.2910 inches
Inner Member Width
Between 0.3700 inches and 0.3750 inches
Shank Thread Length
0.6870 inches
Inspection Hole Center To End Distance
0.3750 inches
Shank Width Across Wrench Flats
0.5000 inches
Static Radial Load Rating
4270 pounds
Thread Diameter
0.312 inches
Thready Qty Per Inch (tpi)
24
Hardness Rating
32.0 rockwell c rod end body
Hardness Rating
55.0 rockwell c inner member
Material
Plastic polytetrafluoroethylene race liner
Material
Steel comp 440c inner member
Material
Steel comp 630 rod end body
Material
Stainless steel race insert
Surface Treatment
Cadmium rod end body
Style Designator
Ball type
Thread Series Designator
Unf
NSN
3120-00-998-5052
Part Number
DREF4-321
Description
Bearing,plain,rod End
CAGE
81376

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 DREF4-321 NSN 3120-00-998-5052

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:
U
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:
5
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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