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30311

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NTN 30311 Medium Size Tapered Roller Bearing

MODEL 30311

BRAND

SKU

283538

WEIGHT

3.660 lb

UOM

each

UPC

4547359002904

$449.59 Each

Prices are subject to change

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Bearing Modification Services

Typically Ships in: 1 day

Returnable:No

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Technical Specifications

Type

Tapered Roller Bearing

Bore Type

Round

Material

Case Carburized Steel

Limiting Speed - Oil

4400 RPM

Limiting Speed - Grease

3300 RPM

Style

Cone & Cup

Precision Rating

Class 0

Configuration

One

Lubrication

w/o Oil Hole

e (Axial Load Factor)

0.35

Y2 (Axial Load Factor)

1.74

Y0 (Axial Load Factor)

0.96

Static Load Rating

40000 lbf179000 N179.00 kN

Dynamic Load Rating

35000 lbf155000 N155.00 kN

Enclosure

Open

Weight

3.660 lb1.660 kg

Operating Temperature Range

-40 to 250 F-40 to 120 C

Dimensional Specifications


Tapered Roller Set - Metric Series - Dimensions

d

2.1654 in55.000 mm

D

4.7244 in120.000 mm

C

0.9843 in25.000 mm

B

1.1417 in29.000 mm

a (Effective Load Center)

-0.2756 in-7.000 mm

T

1.2402 in31.500 mm

r

0.0800 in2.000 mm

R

0.10 in2.5 mm

da

2.64 in67.0 mm

db

2.80 in71.0 mm

Da

4.33 in110.0 mm

Da min

4.09 in104.0 mm

Db

4.37 in111.0 mm

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Return policy

Item must be unused.

Item must be in it's original package.