Model: PB21257-1-20

Inner Bearing Ring

Special Features:

Lubricated w/mil-l-6085

Properties:

Overall Width

Between 0.1949 inches and 0.1969 inches

Bore Diameter

Between 0.1573 inches and 0.1575 inches

Overall Outside Diameter

Between 0.2995 inches and 0.3005 inches

Surface Finish

Ground

Bore Shape

Straight

Standard Tolerance Designation

Abec no.5

Material

Steel comp e52100 inner ring

Style Designator

Inner ring, ball

NSN

3110-00-183-9772

Part Number

PB21257-1-20

Description

Ring,bearing,inner

CAGE

19315

The inner component of a ball or roller bearing which provides a contact surface for the rolling elements of an antifriction bearing.

Part PB21257-1-20 NSN 3110-00-183-9772

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

00028

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:

77.5

WCC:

742

TCC:

SHC:

ACC:

Trailers/Vehicles

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Schedule B and Export

Schedule B: 8482991010
SITC: 74699
End Use: Industrial machines, other
NAICS: 332991
USDA: 1

Freight Class: Inner and outer races for ball bearings (including ball bearings with integral shafts)