Model: R503

Annular Ball Bearing

Special Features:

Inner or outer rings composed of two or more machined parts

Properties:

Overall Width

Between 0.4275 inches and 0.4475 inches

Bore Diameter

Between 0.3125 inches and 0.3175 inches

Overall Outside Diameter

Between 1.0469 inches and 1.0519 inches

Outer Ring Width

0.4062 inches

Inner Ring Width

0.3438 inches

Surface Finish

Unground

Load Direction

Angular

Bore Shape

Straight

Internal Fit-up Designation

Standard

Contact Angle

25.0 degrees

Material

Steel

Style Designator

Radial and thrust, machined inner ring

NSN

3110-00-159-9283

Part Number

R503

Description

Bearing,ball,annular

CAGE

52676

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 R503 NSN 3110-00-159-9283

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:

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