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HM803149

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NTN HM803149 is an inch-series tapered roller bearing cone with a straight bore. Designed for use with a matching cup, this single-row cone handles combined radial and axial loads in gearboxes, axle housings, and industrial drives.

MODEL HM803149

BRAND

SKU

275080

WEIGHT

1.160 lb

UOM

each

This vendor has a minimum order quantity of 2. Order minimum ($) may be applied. Add desired QTY to cart and proceed to checkout to view minimum

$48.96 Each

Prices are subject to change

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Bearing Modification Services

Brand Minimum Order Quantity: 2

Typically Ships in: 1 day

Returnable:No

Height

3.5

I.D.

1.75 in

Length

3.5

O.D.

3.5 in

Width

1.1563

Technical Specifications

Type

Cone

Bore Type

Round

Material

Case Carburized Steel

Static Load Rating

28100 lbf125000 N125.00 kN

Dynamic Load Rating

21000 lbf93500 N93.50 kN

Weight

1.160 lb0.526 kg

Operating Temperature Range

-40 to 250 F-40 to 120 C

Y2 (Axial Load Factor)

1.1

e (Axial Load Factor)

0.55

Dimensional Specifications


Cone for Tapered Roller Bearing - Inch Series and J Series - Dimensions

B

1.7500 in44.450 mm

Wi

1.1563 in29.370 mm

R

0.1400 in3.600 mm

U

2.44 in62.0 mm

V

2.09 in53.0 mm

a (Effective Load Center)

-0.1800 in-4.600 mm

How do I choose the right type of bearing for my application?

Start with the load and how it’s applied. You need to know if you’re dealing with radial loads, axial loads, or a mix of both. Then look at speed, operating environment, and space constraints. For example, ball bearings are great for high speed and lighter loads, while roller bearings handle heavier loads but usually at lower speeds. If there’s contamination, moisture, or heat involved, you may need sealed bearings or specific materials. In most cases, the right choice comes down to matching load type, speed, and environment to the bearing design.

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