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539

Image for Illustration purposes only. Actual product may vary

NTN 539 is an inch-series single row tapered roller bearing with a straight bore. Designed for radial and axial loads in gearboxes, wheel hubs, and industrial machinery.

MODEL 539

BRAND

SKU

284441

WEIGHT

1.967 lb

UOM

each

$89.46 Each

Prices are subject to change

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Bearing Modification Services

Typically Ships in: 1 day

Returnable:No

Height

4.375

I.D.

2.125 in

Length

4.375

O.D.

4.25 in

Width

1.455

Technical Specifications
Type Cone
Bore Type Round
Material Case Carburized Steel
Static Load Rating 45000 lbf201000 N201.00 kN
Dynamic Load Rating 34500 lbf154000 N154.00 kN
Operating Temperature Range -40 to 250 F-40 to 120 C
Y2 (Axial Load Factor) 2.02
e (Axial Load Factor) 0.30
Dimensional Specifications


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

B 2.1250 in53.975 mm
Wi 1.4550 in36.957 mm
R 0.1400 in3.600 mm
U 2.68 in68.0 mm
V 2.40 in61.0 mm
a (Effective Load Center) -0.4800 in-12.200 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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