Model: MR4DB

Rod End Roller Bearing
Description:

3a thread class, right-hand , 0.3750 inches shank diameter, 651 externally threaded shank style, 2.3400 inches overall length, 0.2500 inches bore diameter.

Special Features:

Keyway for nas513-6 lockwasher, two grease fittings, two seal washers

Properties:

Thread Class
3a
Thread Direction
Right-hand
Shank Diameter
0.3750 inches
Shank Style
651 externally threaded
Shank Style
Externally threaded
Overall Length
2.3400 inches
Bore Diameter
0.2500 inches
Overall Outside Diameter
1.0800 inches
Lubrication Material
Grease
Shank Thread Length
1.0000 inches
Outer Ring Width
0.3600 inches
Inner Ring Width
0.5000 inches
Length From Bore Center To Shank End
1.8400 inches
Shield Quantity
2
Alignment Type
Self-aligning
Self-alignment Location
Internal
Thready Qty Per Inch (tpi)
24
Thread Size
0.375 inches
Self-alignment Angle
10.00 degrees
Lubrication Material Specification
Mil-g-23827 military specification single material response
Material
Plastic polytetrafluoroethylene seal and glass seal
Material
Steel inner ring
Material
Steel outer ring
Material
Steel rod end body
Material
Steel roller
Material
Steel shield
Surface Treatment
Cadmium all external/exposed metal surfaces
Style Designator
Single row, concave rollers
Thread Series Designator
Unjf
NSN
3110-00-088-1057
Part Number
MR4DB
Description
Bearing,roller,rod End
CAGE
77896

A special single or multiple-row roller bearing, rigid or self-aligning, and constructed with either inside threaded, plain hollow, maile threaded, or solid shank.

Part MR4DB NSN 3110-00-088-1057

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00050
FIIG:
A044A0
Concept No.:
App. Key:
G
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:
F

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.2000lbs
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: 8482500000
  • SITC: 74650
  • End Use: Industrial machines, other
  • NAICS: 332991
  • USDA: 1

Freight Class: Other cylindrical roller bearings

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