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644

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NTN 644 Medium Size Tapered Roller Bearing

MODEL 644

BRAND

SKU

284395

WEIGHT

3.375 lb

UOM

each

UPC

4547359405507

$450.92 Each

Prices are subject to change

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Bearing Modification Services

Typically Ships in: 1 day

Returnable:No

Technical Specifications

Type

Cone

Bore Type

Round

Material

Case Carburized Steel

Static Load Rating

67000 lbf299000 N299.00 kN

Dynamic Load Rating

48000 lbf214000 N214.00 kN

Weight

3.375 lb1.531 kg

Operating Temperature Range

-40 to 250 F-40 to 120 C

Y2 (Axial Load Factor)

1.66

e (Axial Load Factor)

0.36

Dimensional Specifications


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

B

2.8125 in71.438 mm

Wi

1.6250 in41.275 mm

R

0.1400 in3.600 mm

U

3.43 in87.0 mm

V

3.19 in81.0 mm

a (Effective Load Center)

-0.4400 in-11.200 mm

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