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64452A

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NTN 64452A is a 64 series single-row deep groove ball bearing with a 260 mm straight bore. It is an open design with no seals or shields, suitable for high-speed applications where external lubrication is provided. Used in electric motors, pumps, fans, and general rotating machinery.

MODEL 64452A

BRAND

SKU

278326

WEIGHT

4.875 lb

UOM

each

UPC

4547359405569

$308.05 Each

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Bearing Modification Services

Typically Ships in: 1 day

Returnable:No

Height

7

Length

7

Width

1.625

Technical Specifications
Type
Cone
Bore Type
Round
Material
Case Carburized Steel
Static Load Rating
95500 lbf425000 N425.00 kN
Dynamic Load Rating
57500 lbf255000 N255.00 kN
Operating Temperature Range
-40 to 250 F-40 to 120 C
Y2 (Axial Load Factor)
1.16
e (Axial Load Factor)
0.52
Dimensional Specifications


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

B
4.5266 in114.976 mm
Wi
1.6250 in41.275 mm
R
0.3500 in8.900 mm
U
5.63 in143.0 mm
V
4.96 in126.0 mm
a (Effective Load Center)
0.0500 in1.300 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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