Model: 1B3891

Tapered Roller Bearing Cup

Description:

3.7500 inches outside diameter, 0.8750 inches overall width, 0.0938 inches backface corner radius, afbma class 2 standard tolerance designation.

Special Features:

Axial distance between center of cup contact line and bearing stability point on shaft axis 0.3600 in.

Properties:

Outside Diameter

3.7500 inches

Overall Width

0.8750 inches

Backface Corner Radius

0.0938 inches

Standard Tolerance Designation

Afbma class 2

Material

Steel

Style Designator

Normal angle

NSN

3110-00-100-0311

Part Number

1B3891

Description

Cup,tapered Roller Bearing

CAGE

11083

An outer component of a tapered roller bearing which provides a contact surface for the rolling elements of the bearing.

Part 1B3891 NSN 3110-00-100-0311

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

00024

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:

0.8000lbs

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: 8482800080
SITC: 74680
End Use: Industrial machines, other
NAICS: 332991
USDA: 1

Freight Class: Other ball or roller bearings, including combined ball/roller bearings, nesoi