Model: 506-20

Needle Roller Bearing

Special Features:

Oil hole and grove inner ring

Properties:

Bore Diameter

1.3750 inches

Overall Outside Diameter

1.8750 inches

Lubrication Material

Grease

Outer Ring Width

1.2500 inches

Inner Ring Width

1.2500 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 comp e52100 or steel comp 8620 or steel or steel comp e50100 or steel comp e51100

Material Specification

Mil-s-7420 military specification 1st material response or 66 federal standard 1st material response or mil-s-8690 military specification 2nd material response or mil-s-7493 military specification 3rd material response or qq-s-624 federal specification 3rd material response or qq-s-633 federal specification 3rd material response or 66 federal standard 4th material response or 66 federal standard 5th material response

Surface Treatment

Cadmium all external/exposed metal surfaces

Style Designator

Non-separable, with retainer plates, drawn shell

NSN

3110-00-227-2797

Part Number

506-20

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 506-20 NSN 3110-00-227-2797

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:

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