Model: 554177A

Cylindrical Roller Bearing

Special Features:

Rlength of roller is 0.3346 in., dia. Of roller is 0.2756 in.; number ofrollers 14; bearing is flanged, measuring 3.2400 in. Nom on outer ring w/od, flange width is 0.0700 in. Nom; item is used on turbo fan eng., f110 acft

Properties:

Overall Width

Between 0.5300 inches and 0.5400 inches

Bore Diameter

Between 1.1809 inches and 1.1811 inches

Overall Outside Diameter

Between 2.1651 inches and 2.1654 inches

Surface Finish

Ground

Bore Shape

Straight

Locating Feature

Nonlocating

Internal Clearance

0.0006 inches radial and 0.0037 inches radial

Standard Tolerance Designation

Abec no.5

Material

Steel

Material Specification

Ams 6491 assn standard single material response

Style Designator

252a single row, non-locating, two lip inner ring, cylindrical outer ring, separable

NSN

3110-01-309-1745

Part Number

554177A

Description

Bearing,roller,cylindrical

CAGE

D2456

A nonadjustable roller bearing consisting of a single or multiple-row of hardened cylindrical rollers and a retainer used with or without inner or oute r rings. Excludes bearing, roller, airframe.

Part 554177A NSN 3110-01-309-1745

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

00015

FIIG:

A044A0

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:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

0.4000lbs

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

114820

UFC:

58860

LTL:

77.5

LCL:

77.5

WCC:

742

TCC:

SHC:

ACC:

Equipment for Aircraft

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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