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NTN 30311D MEDIUM SIZE TAPERED ROLLER BRG

BRAND: NTN Bearing | MODEL: 30311D | CONDITION: NEW | SKU: 281766
NTN 30311D MEDIUM SIZE TAPERED ROLLER BRG

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$98.54
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Additional Description

CAD drawing

Description

Technical Specifications

Type

Tapered Roller Bearing

Bore Type

Round

Material

Through Hardened Steel

Limiting Speed - Oil

3800 RPM

Limiting Speed - Grease

2900 RPM

Style

Cone & Cup

Precision Rating

Class 0

Configuration

One

Lubrication

w/o Oil Hole

e (Axial Load Factor)

0.83

Y2 (Axial Load Factor)

0.73

Y0 (Axial Load Factor)

0.40

Static Load Rating

34500 lbf / 154000 N / 154.00 kN

Dynamic Load Rating

29700 lbf / 132000 N / 132.00 kN

Enclosure

Open

Weight

3.505 lb / 1.590 kg

Operating Temperature Range

-40 to 250 ºF / -40 to 120 ºC

Dimensional Specifications

d

2.1654 in / 55.000 mm

D

4.7244 in / 120.000 mm

C

0.8268 in / 21.000 mm

B

1.1417 in / 29.000 mm

a (Effective Load Center)

-0.2559 in / -6.500 mm

T

1.2402 in / 31.500 mm

r

0.0800 in / 2.000 mm

R

0.08 in / 2.0 mm

da

2.64 in / 67.0 mm

db

2.68 in / 68.0 mm

Da

4.33 in / 110.0 mm

Da min

3.70 in / 94.0 mm

Db

4.45 in / 113.0 mm