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30221

Image for Illustration purposes only. Actual product may vary

NTN 30221 Medium Size Tapered Roller Bearing

MODEL 30221

BRAND

SKU

283552

WEIGHT

9.678 lb

UOM

each

UPC

4547359526097

$352.42 Each

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Bearing Modification Services

Typically Ships in: 1 day

Returnable:No

Bearing Type

Tapered roller bearing

Enclosure

Open

Height

7.48

I.D.

4.1339 in

Length

7.48

Material

Through hardened steel

O.D.

7.4803 in

Width

1.5354

Technical Specifications
Type
Tapered Roller Bearing
Bore Type
Round
Material
Through Hardened Steel
Limiting Speed - Oil
2500 RPM
Limiting Speed - Grease
1900 RPM
Style
Cone & Cup
Precision Rating
Class 0
Configuration
One
Lubrication
w/o Oil Hole
e (Axial Load Factor)
0.42
Y2 (Axial Load Factor)
1.43
Y0 (Axial Load Factor)
0.79
Static Load Rating
85500 lbf380000 N380.00 kN
Dynamic Load Rating
64500 lbf287000 N287.00 kN
Enclosure
Open

9.678 lb4.390 kg
Operating Temperature Range
-40 to 250 F-40 to 120 C
Dimensional Specifications


Tapered Roller Set - Metric Series - Dimensions

d
4.1339 in105.000 mm
D
7.4803 in190.000 mm
C
1.1811 in30.000 mm
B
1.4173 in36.000 mm
a (Effective Load Center)
-0.0394 in-1.000 mm
T
1.5354 in39.000 mm
r
0.0800 in2.000 mm
R
0.10 in2.5 mm
da
4.69 in119.0 mm
db
4.80 in122.0 mm
Da
7.01 in178.0 mm
Da min
6.50 in165.0 mm
Db
7.01 in178.0 mm

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