Model: S55M55

Ball Bearing Unit
Description:

0.6875 inches mounting slot width, 3.4375 inches bore diameter, 6.3750 inches center to center distance between mounting holes along width.

Properties:

Mounting Slot Width
0.6875 inches
Bore Diameter
3.4375 inches
Center To Center Distance Between Mounting Holes Along Width
6.3750 inches
Housing Height
8.3750 inches
Housing Width
8.6250 inches
Lubrication Fitting Type
Hydraulic
Rolling Element Groove Quantity
1
Alignment Type
Self-aligning
Internal Fit-up Designation
Loose
Assemblylength
5.0000 inches
Seal Type
Contact
Block Type
Fixed
Shaft End Type
Open
Seal Location
Both ends
Load Capability Type
Radial
Height From Bottom Of Base To Bore Centerline
4.3750 inches
Features Provided
Ground rolling element groove
Lubrication Fitting Angle From Horizontal Centerline
90.0 degrees
Rotating Element Locking Method
Direct
Mounting Hole Type
Slotted
Lubrication Material
Grease
Material
Iron cast housing
NSN
3130-00-159-1449
Part Number
S55M55
Description
Bearing Unit,ball
CAGE
31974

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 S55M55 NSN 3130-00-159-1449

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

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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