Model: BB21770

Needle Roller Bearing

Special Features:

Closed end; retaining washer at open end side; od undercut at open end; slot 0.3750 in. W by 0.0700 in. Deep in face of bearing at closed end side

Properties:

Overall Width

Between 0.9373 inches and 0.9423 inches

Bore Diameter

Between 0.7590 inches and 0.7610 inches

Overall Outside Diameter

Between 1.2480 inches and 1.2490 inches

Alignment Type

Rigid

Material

Steel

Style Designator

Non-separable, with roller retainer, hardened and ground

NSN

3110-00-183-7505

Part Number

BB21770

Description

Bearing,roller,needle

CAGE

56442

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 BB21770 NSN 3110-00-183-7505

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:

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

Freight Class: Needle roller bearings