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

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:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

114820

UFC:

58860

LTL:

77.5

LCL:

WCC:

742

TCC:

SHC:

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)