Model: T557

Annular Ball Bearing

Special Features:

7 to 8 drops of specified lubricant from a no. 27 needle

Properties:

Overall Width

Between 0.2700 inches and 0.2720 inches

Bore Diameter

Between 2.4997 inches and 2.5000 inches

Overall Outside Diameter

Between 2.9997 inches and 3.0000 inches

Lubrication Material

Oil

Surface Finish

Ground

Retainer Fabrication Method

Machined

Shield Quantity

Load Direction

Radial

Bore Shape

Straight

Internal Clearance

0.0012 inches radial and 0.0016 inches radial

Standard Tolerance Designation

Abec no. 5t

Lubrication Material Specification

Mil-l-6085 military specification single material response

Style Designator

Non-loading groove, non-separable

NSN

3110-01-102-1923

Part Number

T557

Description

Bearing,ball,annular

CAGE

40920

A cylindrical device in which the inner or outer ring turns upon a single or double row of hardened balls which roll easily between the two rings, thus minimizing friction. For items with faces specially ground for duplex mounting see bearing, ball, duplex. Excludes bearing, ball, airframe.

Part T557 NSN 3110-01-102-1923

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

00014

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:

0.2000lbs

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:

WCC:

742

TCC:

SHC:

ACC:

Trailers/Vehicles

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Schedule B and Export

Schedule B: 8482105028
SITC: 74610
End Use: Industrial machines, other
NAICS: 332991
USDA: 1

Freight Class: Angular contact ball bearings, nesoi