Model: 503-6

Needle Roller Bearing

Special Features:

Oil hole and groove in inner ring

Properties:

Bore Diameter

Between 0.3743 inches and 0.3750 inches

Overall Outside Diameter

Between 1.1240 inches and 1.1250 inches

Lubrication Material

Grease

Outer Ring Width

Between 0.8700 inches and 0.8750 inches

Inner Ring Width

Between 0.9950 inches and 1.0000 inches

Surface Finish

Ground

Retainer Fabrication Method

Pressed

Alignment Type

Rigid

Standard Tolerance Designation

Afbma standard tolerance for industrial needle bearings

Lubrication Material Specification

Mil-g-23827 military specification single material response

Material

Steel

Surface Treatment

Chromium outer ring

Surface Treatment Specification

Qq-c-320, cl 2 federal specification single treatment response outer ring

Style Designator

Cam roller, hardened and ground, non-separable

NSN

3110-00-227-2979

Part Number

503-6

Description

Bearing,roller,needle

CAGE

80205

A single or multiple-row antifriction bearing used with or without inner or outer races characterized by relatively small size rollers usually not ranging above 0.250 inch (6.35mm) diameter and generally longer in length in relation to diameter.

Part 503-6 NSN 3110-00-227-2979

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

00051

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:

0.1000lbs

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: 8482400000
SITC: 74640
End Use: Industrial machines, other
NAICS: 332991
USDA: 1

Freight Class: Needle roller bearings