Model: 21639

Cylindrical Roller Bearing

Special Features:

Bore 5.0 mm smaller than standard

Properties:

Overall Width

23.0 millimeters

Bore Diameter

35.0 millimeters

Overall Outside Diameter

90.0 millimeters

Surface Finish

Ground

Bore Shape

Straight

Locating Feature

Nonlocating

Internal Fit-up Designation

Standard

Standard Tolerance Designation

Rbec no.1

Material

Steel

Style Designator

250a single row, non-locating, two lip inner ring, cylindrical outer ring with two roller retainment rings on outer, non-separable

NSN

3110-01-058-4715

Part Number

21639

Description

Bearing,roller,cylindrical

CAGE

52304

A nonadjustable roller bearing consisting of a single or multiple-row of hardened cylindrical rollers and a retainer used with or without inner or oute r rings. Excludes bearing, roller, airframe.

Part 21639 NSN 3110-01-058-4715

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

00015

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:

2.0000lbs

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: 8482500000
SITC: 74650
End Use: Industrial machines, other
NAICS: 332991
USDA: 1

Freight Class: Other cylindrical roller bearings