Model: MST31

Ball Bearing Unit

Properties:

Groove Width
1.0625 inches
Bore Diameter
1.9375 inches
Housing Height
6.7500 inches
Housing Length
1.7500 inches
Housing Width
5.7500 inches
Lubrication Fitting Type
Hydraulic
Rolling Element Groove Quantity
1
Alignment Type
Self-aligning
Internal Fit-up Designation
Standard
Assemblylength
2.2500 inches
Seal Type
Labyrinth
Block Type
Fixed
Shaft End Type
Open
Seal Location
Both ends
Load Capability Type
Radial
Height From Bottom Of Base To Bore Centerline
4.1875 inches
Features Provided
Ground rolling element groove
Lubrication Fitting Angle From Horizontal Centerline
30.0 degrees
Rotating Element Locking Method
Direct
Lubrication Material
Grease
Material
Iron cast housing
Material
Steel seal and wool seal
Style Designator
Frame type
NSN
3130-00-564-2752
Part Number
MST31
Description
Bearing Unit,ball
CAGE
57448

An assembled unit, composed of a housing incorporating a single or multiple row ball bearing(s), designed to meet various or specific conditions of mounting.

Part MST31 NSN 3130-00-564-2752

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
30556
FIIG:
A093A0
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:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
SPI No.:
SPI Rev.:
SPC Mkg:
00
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:
Construction Materials

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Schedule B and Export
  • Schedule B: 8482991050
  • SITC: 74699
  • End Use: Industrial machines, other
  • NAICS: 332991
  • USDA: 1

Freight Class: Parts, except inner and outer races, for ball bearings, (including ball bearings with integral shafts)

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