Model: DD421S46-0253PC551

Linear-rotary Motion Roller

Properties:

Casehardening Indicator

Not casehardened

Outside Diameter

Between 1.499 inches and 1.501 inches

Metallic Hardness Rating

13.0 rockwell c and 15.0 rockwell c

Face Width

Between 0.312 inches and 0.314 inches

Bore Inside Diameter

Between 0.500 inches and 0.501 inches

Chamfer/radius Of Outside Corner

Corners 1/32 in. By 45 deg

Chamfer/radius Of Inside Corner

Corners 1/32 in. By 45 deg

Material

Steel

Material

Steel

Style Designator

Plain

NSN

3120-00-446-8805

Part Number

DD421S46-0253PC551

Description

Roller,linear-rotary Motion

CAGE

80064

A cylindrical body having a centrally located hole to accommodate a pin or shaft for attachment to a push rod guide, yoke, rocker arm, turntable, or rail. The item provides a rolling contact with the face of a valve stem, or the lobes of a cam ring or camshaft on engines, fuel injection pumps, latches, turntables, parallel bearing surfaces requiring a roller support, and the like. Excludes bearing, roller, cylindrical; roller, electrical switch; and friction bearings. See also cam follower, needle bearing.

Part DD421S46-0253PC551 NSN 3120-00-446-8805

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

28215

FIIG:

T267-K

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:

114690

UFC:

58770

LTL:

RATING VARIABLE

LCL:

WCC:

742

TCC:

SHC:

ACC:

Trailers/Vehicles

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Schedule B and Export

Schedule B: 8482997090
SITC: 74699
End Use: Industrial machines, other
NAICS: 332991
USDA: 1

Freight Class: Parts, nesoi, for roller bearings or for combined ball/roller bearings, nesoi