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45289

Image for Illustration purposes only. Actual product may vary

NTN 45289 is an inch-series single row tapered roller bearing with a straight bore. Designed for radial and axial load combinations, it is commonly used in gearboxes, axle housings, and industrial machinery. The bearing features a stamped steel cage and is supplied as a cone component.

MODEL 45289

BRAND

SKU

283374

WEIGHT

1.667 lb

UOM

each

$90.08 Each

Prices are subject to change

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Bearing Modification Services

Typically Ships in: 1 day

Returnable:No

Height

4.125

I.D.

2.25 in

Length

4.125

O.D.

4.125 in

Width

1.2188

Technical Specifications
Type Cone
Bore Type Round
Material Case Carburized Steel
Static Load Rating 42500 lbf188000 N188.00 kN
Dynamic Load Rating 31500 lbf139000 N139.00 kN
Operating Temperature Range -40 to 250 F-40 to 120 C
Y2 (Axial Load Factor) 1.80
e (Axial Load Factor) 0.33
Dimensional Specifications


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

B 2.2500 in57.150 mm
Wi 1.2188 in30.958 mm
R 0.0300 in0.800 mm
U 2.56 in65.0 mm
V 2.56 in65.0 mm
a (Effective Load Center) -0.3200 in-8.100 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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Item must be in it's original package.